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1. eda d p nct 2 12 Chapter 3 Startup Operation Procedures UP T 3 1 Upa BaSe qo 3 2 PG Installation Procedure Aaa Fb REG 3 3 Hardware 10 5 5 0 SS 3 3 Regured Sotware initium EM 3 3 viii 302693 B Rev 00 Table of Contents Tens tall Hairdwars and 0 aeo la hone d pt Lab ad 3 3 Descriptions of the LCn Provisioning Server Functions sse 3 4 Ra LOGID mE 3 4 EC CONO 3 5 EIU rcm 3 5 Ta aba acordado tap d ecd agre deba EO bend pls ae Aenea 3 6 TENER t doe dre OU dc Our E O ban d dang pott 3 8 Pj e 3 9 Additional Lom Gone Panel DOGS iari PR erui it er RERBA 3 11 Basic Procedures for Using LCn Provisioning Server Functions 3 12 pd 3 12 Adding Users and Assigning Specific Admin 3 12 Server En ME IPSO A E 3 16 Enea Device POLIT pe m FORMER Rr pP ge pun pase a perna 3 17 Network Parameter EGUNO curb S
2. General comments Suggestions for improvement eM m rasura rc a crat Pi mere ec atu uA TN reg ete RENS URS ETE EA ee s 4 15 eec suu Department t tco ae tuere eod uh oo a Company 22 LLLA Street m ex Tee m State Country Zip Code 302693 B Rev 00 DO NOT CUT FOLD HERE AND TAPE Nortel Networks Broadband Technology Division 200 Bulfinch Drive Andover MA 01810 Attn Technical Publications DO NOT CUT FOLD HERE AND TAPE APPLY POSTAGE HERE NORTEL NETWORKS Printed in USA
3. Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsBpiCmtsAuthCmRequests Number The count of times the CMTS has received an Authorization Request message from this CM docsBpiCmtsAuthCmReplies Number The count of times the CMTS has transmitted an Authorization Reply message to this CM docsBpiCmtsAuthCmRejects Number The count of times the CMTS has transmitted an Authorization Reject message to this CM docsBpiCmtsAuthCmInvalids Number The count of times the CMTS has transmitted an Authorization Invalid message to this CM 4 130 302693 B Rev 00 Troubleshooting ErrorCode1 Variable Name Set Get Response Status Description ErrorString2 Variable Name Set Get Response Status Description docsBpiCmtsAuthRejectErrorCode Number none 1 unknown 2 unauth orizedCm 3 unauthorizedSid 4 Error Code in most recent Authorization Reject message transmitted to the CM This has value unknown 2 if the last Error Code value was 0 and none 1 if no Authorization Reject message has been transmitted to the CM docsBpiCmtsAuthRejectErrorString DisplayString Display String in most recent Authorization Reject message transmitted to the CM This is a zero length string if no Authorization Reject message has been transmitted to the CM 302693 B Rev 00 4 131 CMTS 1000 Installation Manual V1 2
4. I I Time Server n z UpgradeS erver Upgrade File Name E DHCP Lease Allow network access IV Downstream Frequency Done Upstream Channel Id m Maximum CPEs 1 Cancel TmeZon f Daylight Savings Time Apply Network LLC Filters z Defaults zl Class of Service SNMPwite 1 MIB Objects z Subscriber Info NMAccess ss CPE sd Figure 3 12 Enter Cable Modem Data The following fields appear on this screen Name This free format field enables you to assign a name to the cable modem Network This option enables you to assign this cable modem to a network Its pull down menu displays the networks that were defined for this system refer to the network parameter section of this document The cable modem must be assigned to an existing network it inherits parameters from the network When you select a network a pop up dialog box asks if the network defaults should be applied to this cable modem 302693 B Rev 00 3 27 CMTS 1000 Installation Manual V1 2 Select the Apply option to fill in the network subnet mask and other net work fields with default values that may have been entered when you defined your networks The values are the network wide values These fields may still be modified to customize an individual cable modem after the defaults have been applied MAC Address This field is the MAC ad
5. The designed input level to the first active device of the return channel is a prerequisite to knowing the designed output level of the last active device Locate the return combiner It is selected for connecting to the input of one of the eight network inputs of the CMTS 1000 Record the loss for that combiner and any other loss between the combiner and the last amplifier driving the input of the combiner Subtract the loss from the designed output level It is the level as predicted at that output with the required input to the trunk amplifiers Example 30 dBmV designed last active device output level 7 dB combiner loss 23 dBmV Select return channel attenuation to provide optimum CM 100 signal to first active amplifier The output level of the combiner is used as the start ing point Example 23 dBmV level to be padded for CMTS 1000 input minus 1 dBmV desired input level to CMTS 1000 22 dB return channel pad 2 8 302693 B Rev 00 Hardware Installation The CM 100 s automatic power adjust initiated by a received UCD con taining the proper upstream channel characteristic causes all CM 100 transmitters to hit the input of the RF to Fiber Transceiver or the first active amplifier at the same level The automatic power adjustment range is 43 dB 8 to 55 dBmV for CM 100 16 QAM transmissions and 50 dB 8 to 58 dBmV for CM 100 QPSK transmissions The attenuation for the return upstream path
6. Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsIfCmStatusCode Number OctetString Status code for this Cable Modem as defined in the RF Interface Specification The status code consists of a single character indicating error groups followed by a two or three digit number indicating the status con dition REFERENCE Data over Cable Radio Frequency Interface Specification Cable Modem status codes docsIfCmStatusTxPower Number TenthdBmV The operational transmit power for the attached upstream channel docsIfCmStatusResets Number Number of times the CM reset or initialized this interface 302693 B Rev 00 Troubleshooting LostSyncs Variable Name Set Get Response Status Description InvalidMaps Variable Name Set Get Response Status Description InvalidUcds Variable Name Set Get Response Status Description InvalidRangingResp Variable Name Set Get Response Status Description docsIfCmsStatusLostS yncs Number Number of times the CM lost synchronization with the downstream channel docsIfCmsStatusInvalidMaps Number Number of times the CM received invalid MAP messages docsIfCmStatusInvalidUcds Number Number of times the CM received invalid UCD messages docsIfCmStatusInvalidRangingResp Number Number of times the CM received invalid ranging response messages 302693 B Re
7. 4 85 Li Os PHP ON EIE Loca aoo bc aen Fa e bb aee rc Pbi abb 4 86 4 90 Em 4 92 302693 B Rev 00 Table of Contents IGDP SIE ICSE PEN pora a apap Paro GU a naga enn anneal pneu d ER bb d Y upra 4 93 kom ENS iue ME E o SL DEO 4 94 Lesesnnig gue bU EIE eet ER uccide octo Resto resides E MER pu eee aia 4 95 IER AE UE aisi rou oes cas te ot Und ERA GU EVO LOS FED Det SOEUR PUN OE LEES RR 4 98 Jof 4 102 LUCKY ONO mt mE 4 106 aa E eo Radar d boxe disce ET E A O N 4 107 Boe iarr N A 4 109 SEEM eT E 4 109 Pocs T TER aaa tup vM ntes e tu IUE 4 118 Docs EpC MEEA jp Mee T 4 123 Sap qmi MERE 4 126 TEKEN ois eit uda qid Depp dM nu DIN beso Mi cuu 4 132 Fa tdi TE E LL o LOL 4 138 Loading and Compiling the 4 141 Chapter 5 Modifying and Upgrading the CMTS 1000 Dyson x Ne 5 1 Upgrade T 5 2 T T 5 3 FRU t e 5 3 Step 1 Verify Contents of Upgrade 5 4 Step 2 Configure TFTP Fe BERI us cuadrada da dr 5 4
8. Bay Networks Software License Agreement NOTICE Please carefully read this license agreement before copying or using the accompanying software or installing the hardware unit with pre enabled software each of which is referred to as Software in this Agreement BY COPYING OR USING THE SOFTWARE YOU ACCEPT ALL OF THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT THE TERMS EXPRESSED IN THIS AGREEMENT ARE THE ONLY TERMS iv 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 UNDER WHICH BAY NETWORKS WILL PERMIT YOU TO USE THE SOFTWARE If you do not accept these terms and conditions return the product unused and in the original shipping container within 30 days of purchase to obtain a credit for the full purchase price 1 License Grant Bay Networks Bay Networks grants the end user of the Software Licensee a personal nonexclusive nontransferable license a to use the Software either on a single computer or if applicable on a single authorized device identified by host ID for which it was originally acquired b to copy the Software solely for backup purposes in support of authorized use of the Software and c to use and copy the associated user manual solely in support of authorized use of the Software by Licensee This license applies to the Software only and does not extend to Bay Networks Agent software or other Bay Networks software products Bay Networks Agent software or other Bay Networks software product
9. General Description Reliable Design Bay Networks has leveraged its many years of experience in delivering cable networking solutions in the design of the CMTS 1000 This enables cable operators to provide a standards based highly reliable end to end cable modem data networking solution using proven technologies Powerful Provisioning Management and Maintenance Capabilities Bay Networks offers a complete set of Provisioning Management and Maintenance tools that ensure high network performance and reliability DOCSIS LCn The Provisioning Server is a PC Windows 95 98 based utility that is based on Microsoft Access RDBMS The DOCSIS LCn enables you to perform the following functions right out of the box e Update modem configuration files e Assign network wide parameters e Assign modem specific parameters e Assign IP address and mask e Upgrade software automatically e Control access to the network on a per modem basis Transfer secured parameters between server and clients e Manage authorization key e Provide the current time and date Generate reports 302693 B Rev 00 1 9 CMTS 1000 Installation Manual V1 2 SNMP Based Management The CMTS 1000 is fully SNMP manageable It supports Internet Engineer ing Task Force IETF Management Information Bases MIBs including Cable Device Radio Frequency RFC 1213 MIB II RFC 1398 Ethernet RFC 1493 Bridge RFC 1573 Interface Ba
10. CMTS 1000 Installation Manual V1 2 NORTEL NETWORKS Radio Frequency Interference Statement NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environ ment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which cause the user will be required to correct the interference at his own expense This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Commu nications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites appli cables aux appareils num riques de classe A pr scrite dans le R glement sur le brouillage radio lectrique dict par le Minist re des Communications du Canada To maintain compliance with FCC radio frequency emission limits the use of quadshield RG 6 U type CATV cable is required for connection to the CATV system Any changes or modifications may void the user s authority to operate this equ
11. ErrorCode Variable Name docsBpiCmtsAuthInvalidErrorCode Set Get Response Status Number none 1 unknown 2 unauth orizedCm 3 unsolicited 5 invalidKey Sequence 6 keyRequestAuthentication Failure 7 Description Error Code in most recent Authorization Invalid message transmitted to the CM This has value unknown 2 if the last Error Code value was 0 and none 1 if no Authorization Invalid message has been transmitted to the CM ErrorString Variable Name docsBpiCmtsAuthInvalidErrorString Set Get Response Status DisplayString Description Display String in most recent Authorization Invalid message transmitted to the CM This is a zero length string if no Authorization Invalid message has been transmitted to the CM DocsBpiCmtsTEKEntry Describes the attributes of each CM Traffic Encryption Key TEK associ ation The CMTS maintains one TEK association per SID on each CMTS MAC interface The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the DocsBpiCmtsTEKEntry table 4 132 302693 B Rev 00 Troubleshooting iflndex Variable Name Set Get Response Status Description IfCmtsServiceld Variable Name Set Get Response Status Description BpiCmtsTEKLifetime Variable Name Set Get Response Status Description ifIndex Number A unique value for each interface Its value ranges between and the
12. The Downstream Center Frequency parameter displayed DnStm Cent Freq shows the Frequency Plan either Std Standard HRC Harmoni cally Related Carrier or IRC Incrementally Related Carrier It also dis plays the center frequency of the channel in megahertz Note Only valid center frequencies from the North American Frequency Plan are accept able Down Stream Channel Plan The Downstream Channel and Plan parameter displayed DnStm Chan P1an shows the channel number for the Frequency Plan It also displays the Frequency Plan either Std Standard HRC Harmonically Related Carrier or IRC Incrementally Related Carrier Down Stream Power Level The Downstream Power Level parameter displayed DnStm Power Lvl shows the output power into a 75 Ohm load in decibels per millivolt Up Stream Menu From the serial number display toggling the Down or Up buttons causes the LCD to display one of the three group menu titles As discussed in the System Menu section toggling the Down or Up buttons eventually causes the LCD to display the UpStm Menu Upstream Menu heading After the LCD displays the UpStm Menu heading pressing the Enter but ton causes the LCD to display the first of four UpStm Menu items Pressing the Up or Down button causes the LCD to display the next item in the UpStm Menu list The following paragraphs describe the UpStm Menu items 302693 B Rev 00 Troubleshooting Up Stream State
13. Description LcMcastAddressEntry IcMcastTrapAddress IP Address The IP multicast address that is included in the IcMcastJoin trap This object only exists for purposes of inclusion in the trap message The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the leMcastAddressEntry table Address Variable Name Set Get Response Status Description AdminState Variable Name Set Get Response Status Description IcMcastAddress IP Address The IP multicast address being managed IcMcastAdminState RowStatus active notInService notReady createAndGo createAndWait destroy Controls addition of static entries or deletion of any entries in this table 302693 B Rev 00 4 103 CMTS 1000 Installation Manual V1 2 OperState Variable Name IcMcastOperState Set Get Response Status Number nonmember 1 delaying 2 idle 3 static 4 Description Reflects the IGMP state of this address If static 4 the entry was created as a result of management action and the entry is not subject to the IGMP protocol Ttl Variable Name IcMcastTtl Set Get Response Status Number TimeTicks Description Time to live for this entry Will return zero for static entries LcPhyEntry The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry
14. The community string entered here must match the one used by the network manager in order for a CMTS to reply to an SNMP set A manager knowing this string has write access to the CMTS It is used in all SNMP set requests by a network manager This option allows you to add a MIB Object to this CMTS A MIB Object must be created using the LCn Control Panel Admin Tab MIB Objects option before you can add a MIB Object to CMTS This option allows you to add IP addresses of Network Management sta tions with specific access levels to this CMTS An NMAccess entry must be created using the LCn Control Panel MIB Objects Tab NMAccess option before you can add authorized Network Management stations to a CMTS 302693 B Rev 00 3 41 CMTS 1000 Installation Manual V1 2 EVControl This option allows you to add an Event Control entry to this CMTS An Event Control must be created using the LCn Control Panel MIB Objects Tab Event Control option before you can add an EVControl to a CMTS Done This option button returns you to the previous screen Cancel This option button allows you to cancel any changes that you made to the Enter CMTS Data screen and LCn returns you to the CMTS select screen 3 42 302693 B Rev 00 Startup Operation Procedures Update Network Configuration Files Click the Update Network Configuration Files option button of the LCn Control Panel LCn displays the Update Network screen see Figure 3 17 amp Up
15. These groups reside under additional MIB group sub headings Event Info The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsDevEventInfo table Control Variable Name docsDevEvControl Set Get Response Status resetLog 1 useDefaultReporting 2 Description Setting this object to resetLog 1 empties the event log data is deleted Setting it to useDefaultReporting 2 returns all event pri orities to their factory default reporting Reading this object always returns useDe faultReporting 2 Syslog Variable Name docsDevEvSyslog Set Get Response Status Address Description The IP address of the Syslog server If 0 0 0 0 syslog transmission is inhibited 4 26 302693 B Rev 00 Troubleshooting ThrottleAdminStatus Variable Name Set Get Response Status Description ThrottleInhibited Variable Name Set Get Response Status Description docsDevEvThrottleAdminStatus unconstrained 1 maintainBelowThresh old 2 stopAtThreshold 3 inhibited 4 Controls the transmission of traps and syslog messages with respect to the trap pacing threshold unconstrained 1 causes traps and syslog messages to be transmitted without regard to the threshold settings maintainBe lowThreshold 2 causes trap transmission and syslog messages to be suppressed if the num ber of traps would otherwise exceed the th
16. and a general description of the status entry for each MIB variable in the DocsDevBaselnfo table Variable Name docsDevRole Set Get Response Status cm 1 cmtsActive 2 cmtsBackup 3 Description Defines the current role of this device Variable Name docsDevDateTime Set Get Response Status Date and Time Description The date and time with optional timezone information 4 16 302693 B Rev 00 Troubleshooting ResetNow Variable Name Set Get Response Status Description SerialNumber Variable Name Set Get Response Status Description STPControl Variable Name Set Get Response Status Description docsDevResetNow Truth Value Setting this object to true 1 causes the device to reset Reading this object always returns false 2 docsDevSerialNumber DisplayString The manufacturer s serial number for this device docsDevSTPControl stEnabled 1 noStFilterBpdu 2 noStPassB pdu 3 This object controls operation of the spanning tree protocol as distinguished from transpar ent bridging If set to stEnabled 1 then the spanning tree protocol is enabled subject to bridging constraints If noStFilterBpdu 2 then spanning tree is not active and Bridge PDUs received are discarded If noStPassB pdu 3 spanning tree is not active and Bridge PDUs are transparently forwarded A device need not implement all of these options but that noStFilterBpdu 2 is required
17. iflndex Variable Name Set Get Response Status Description CmtsAddress Variable Name Set Get Response Status Description ifindex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization docsIfCmCmtsAddress MacAddress Identifies the CMTS that is believed to con trol this MAC domain At the CM this will be the source address from SYNC MAP and other MAC layer messages If the CMTS is unknown returns 00 00 00 00 00 00 302693 B Rev 00 4 53 CMTS 1000 Installation Manual V1 2 Capabilities Variable Name Set Get Response Status Description RangingResp Timeout Variable Name Set Get Response Status Description ifCmStatusEntry docsIfCmCapabilities Bits Hex atmCells 0 concatenation 1 Identifies the capabilities of the MAC imple mentation at this interface Note that packet transmission is always supported Therefore there is no specific bit required to explicitly indicate this capability docsIfCmRangingRespTimeout Number TimeTicks Waiting time for a Ranging Response packet REFERENCE Data over Cable Radio Frequency Interface specification Section 7 timer T3 The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general
18. network operations group The address will be transferred to the DHCP server The LCn run time component uses the IP address when the network configuration files are updated The IP address is transferred to the modem when it boots This field allows you to enter the IP address mask to this CMTS The value for the mask should be provided by the network operations department The entry in this field is the default gateway IP address It is to be used by the CMTS in this network to access all networks other than the local one The value should be provided by the network operations department The entry in this field is the IP address of the log server It is used by the CMTS in this network If the parameters read from the LCn during boot up are not acceptable due to an invalid message digest the LCn sends an SNMP trap to the log server The value should be provided by the network operations department The entry in this field is the IP address of the Time Server It is used by the CMTS in this network Upgrade Server The entry in this field is the IP address of the Upgrade Server It is used by the CMTS in this network 302693 B Rev 00 3 39 CMTS 1000 Installation Manual V1 2 Upgrade File Name This entry is the file name of the CMTS operating software that you wish to have the CMTS load during an automatic software upgrade DHCP Lease Time The length of time for which the assigned IP address is valid The lease
19. 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 docs NmAccess This table provides one level of security for access to the device by net work management stations Note that access is also constrained by the community strings and any vendor specific security This table controls access to SNMP objects by network management sta tions If the table is empty access to SNMP objects is unrestricted For each entry in this table the contents are not readable unless the manage ment station has read write permission The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsDevNmAccessEntry table Index Variable Name docsDevNmAccessIndex Set Get Response Status Number Description Index used to order the application of access entries Ip Variable Name docsDevNmAccessIp Set Get Response Status Address Description The IP address or subnet of the network management station The address 255 255 255 255 is defined to mean any NMS If traps are enabled for this entry then the value must be the address of a specific device 4 18 302693 B Rev 00 Troubleshooting IpMask Variable Name Set Get Response Status Description Community Variable Name Set Get Response Status Description Control Variable Name Set Get Response Status Description docsDevNmAccessIpMask IP Address The IP subnet mask
20. Control Panel as shown in Figure 3 2 with the CM Devices tab on top To access the functions click the appropriate tab and option button Access to these functions can be enabled or disabled according to the access control list for the user The following selections are available from the LCn Control Panel Devices The LCn Control Panel s Devices tab includes the Networks Modems and CMTS option buttons allowing access to the Networks CMs and CMTS editing functions amp LCN Control Panel IB x Devices MIB Objects Misc Admin Networks Modems CMTS Update Network Configuration Files Done Figure 3 2 LCn Control Panel CM Devices Tab 302693 B Rev 00 3 5 CMTS 1000 Installation Manual V1 2 Networks The Networks option provides access to the network wide parameter edit ing functions Normally it is restricted to network support level personnel When updates have been completed the operator regenerates the run time files and tables used by the runtime support Modems The Modems option provides access to the cable modem parameter editing functions CMTS The CMTS option provides access to the cable modem termination system parameter editing functions MIB Objects The LCn Control Panel s MIB Objects tab as shown in Figure 3 3 includes Filters Write Access and Assign Values options allowing access to these editing functions Figure 3 3 LCn Control Panel M
21. Description Reset Variable Name Set Get Response Status Description docsBpiCmtsAuthCmGraceTime Number Seconds Grace time for the authorization key in sec onds The CM is expected to start trying to get a new authorization key beginning Auth GraceTime seconds before the authorization key actually expires docsBpiCmtsAuthCmReset Number noResetRequested 1 invalidate Auth 2 sendAuthInvalid 3 invali dateTeks 4 Setting this object to invalidateAuth 2 causes the CMTS to invalidate the current CM authorization key but not to transmit an Authorization Invalid message nor to invali date unicast TEKs Setting this object to sendAuthInvalid 3 causes the CMTS to invalidate the current CM authorization key and to transmit an Authorization Invalid mes sage to the CM but not to invalidate unicast TEKs Setting this object to invalidateTeks 4 causes the CMTS to invalidate the current CM authorization key to transmit an Authori zation Invalid message to the CM and to invalidate all unicast TEKs associated with this CM authorization Reading this object returns the most recently set value of this object or returns noResetRequested 1 if the object has not been set since the last CMTS reboot 302693 B Rev 00 4 129 CMTS 1000 Installation Manual V1 2 Requests Replies Rejects Invalids Variable Name Set Get Response Status Description Variable Name Set Get Response Status
22. EXPRESS WAIVER OF THE TERMS OF THIS AGREEMENT vi 302693 B Rev 00 Table of Contents About This Document rT mra d busca dap xiv cii RN xiv cp xvi Bay Networks Technical PablicolldlB a xviii Bay SONICS Nm xviii BAe Ge Mi E eem em c xix Pe eh LT IIS XX Chapter 1 General Description loni ris e s 1 1 d Fr c can cides ia sad suns E T deanna UM 1 2 pBbogrihe sapone a 1 4 Porte LS onec Dna te Debo e OF d tartan eS REAR RR eee Mad CE 1 5 Maximizes Network Performante adu inian ES osa 1 5 ziv xm Me RN 1 5 Eakancss Newark Seeur aa naridasaspeierier bcd a apr latebat date iP br AE EDS ARR 1 5 BHO Pee rar rer rarely deno pr da dedo ERN oq DEL Odo ede Ee terre 1 5 a X 1 6 ECTS 1 6 IUD 3 o So Sm 1 6 Initenrated D COVETIBE o iara reo apost Petr dup aqoa aan ai d 1 6 E qe qe RT 1 7 Ingreg
23. Name Set Get Response Status Description AuthInvalidErrorCode Variable Name Set Get Response Status Description AuthInvalidErrorString Variable Name Set Get Response Status Description docsBpiCmAuthRejectErrorString DisplayString Display String in most recent Authorization Reject message received by the CM This is a zero length string if no Authorization Reject message has been received since reboot docsBpiCmAuthInvalidErrorCode Number none 1 unknown 2 unautho rizedCm 3 unsolicited 5 invalidKey Sequence 6 keyRequestAuthentication Failure 7 Error Code in most recent Authorization Invalid message received by the CM This has value unknown 2 if the last Error Code value was 0 and none 1 if no Authorization Invalid message has been received since reboot docsBpiCmAuthInvalidErrorString DisplayString Display String in most recent Authorization Invalid message received by the CM This is a zero length string if no Authorization Invalid message has been received since reboot 302693 B Rev 00 4 117 CMTS 1000 Installation Manual V1 2 DocsBpiCmTEKEntry Describes the attributes of each CM Traffic Encryption Key TEK associ ation The CM maintains no more than one TEK association per SID per CM MAC interface The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable i
24. RO bte E ada A and 4 9 SEITE DESI 4 9 MENU e by ance Seba dea pe Sandee a 4 11 tren li rt 4 12 CMTS 1000 SNMP MIB Variable Descriptors eese tnn annee nin kun 4 14 Simple Network Management Protocol SNMP Overview 4 15 Management Information Base MIB Descriptions 4 16 Dots ROS D EEUU 4 16 Dus SOIE acsi cn He De P S De da enn ER av e n et 4 21 Docs SIBI LI ec i DH S Hu EDU P LEE 4 24 Euvenr IRI ici iata iens eoa ica EE SS Loss baluvssenE Fama ET Mei CIN PRATO RTARI ISDN dI MENU URNA E IagHE 4 26 DARII M TIER PR PTT 4 29 BERE EE UL TENUES 4 32 a eem Er AS 4 34 Boc J H 4 39 ir Dowistreamohannel E peu Ra Essent ebur dal boss ee 4 39 GSP POLES EIE ead bates gd pecia qui eigen 4 47 deseris imi MESE TER 4 50 IR MGE MER Dess eset mae de id cade Sie tates pei Se SEN eise Eae Mae E HE oa Rae area 4 53 ATE III NET LL D rr rarer 4 54 qup Reiz AI A RETE TO D SETS 4 59 iun EMEY EI i T M 4 73 MEC te TOUS TIGHT ME E dh a Oa T 4 76 RCSB LT IA Et UT 4 80 cese me e UR 4 81 Beg yiri cen TE OU T 4 81 renpgiil e
25. Security Unauthorized and inadvertent access to services is prevented by the CMTS 1000 Cable plant security is enabled via single Data Encryption Standard DES 56 bit encryption and key management Every CMTS 1000 has an RSA public private key pair which is used to exchange DES keys with a cable modem device such as the Bay Networks Cable Modem 100 CM 100 Advanced Packet Filtering Capabilities The CMTS 1000 provides comprehensive filtering based on packet type address port and protocol Enhanced filtering capabilities for restricting network access and control are also provided by the CMTS 1000 Ten Logical Link Control LLC pro tocol filter entries and ten IP protocol filter entries are supported by the CMTS 1000 The LLC protocol filter entries can be used to limit the for warding capability of the CMTS 1000 to a restricted set of Network Layer protocols such as IP IPX NetBIOS and AppleTalk The IP protocol filter entries can be used to restrict upstream or downstream traffic based on source and destination IP addresses Transport Layer protocols such as TCP UDP and ICMP and source and destination TCP UDP port numbers Transparent Bridging and Layer 3 Filtering The Ethernet to CATV forwarders and the Upstream to downstream for warders of the CMTS 1000 are implemented as learning bridges config urably augmented with Layer 3 The 10 100 Ethernet to CATV forwarder provides spanning tree as an option 302693 B Rev 00
26. Standard STD North American frequency plans The CMTS 1000 outputs an RF modulated signal with the following char acteristics partial listing e Center Frequency 9110 857 MHz 30 KHz Level Adjustable over the range 50 to 61 dBmV e Modulation Type 64 QAM and 256 QAM Setting the CMTS 1000 forward channel s output power level is accom plished via an SNMP MIB variable This procedure is not available as of this printing 302693 B Rev 00 2 11 CMTS 1000 Installation Manual V1 2 Connecting to the Ethernet Network Prior to connecting the CMTS 1000 to the Ethernet network perform the following checks to verify that you have the correct connection available If connection will be made to a 10 hub switch or router concen trator you should have a standard straight through eight pin RJ 45 modular jack connectorized patch cable If connection is made directly to a PC or workstation network interface card NIC you should have a crossover eight pin RJ 45 modular jack connectorized patch cable 2 12 302693 B Rev 00 Chapter 3 Startup Operation Procedures Introduction This chapter describes Setting up the Data Over Cable System Interface Specification DOC SIS LCn Provisioning Server Descriptions of the LCn Provisioning Server functions Basic procedures for using LCn Provisioning Server functions 302693 B Rev 00 3 1 CMTS 1000 Installation Manual V1 2 Setting Up a Ba
27. Status Description IpAddress Variable Name Set Get Response Status Description Interface Variable Name Set Get Response Status Description IcAuthFailCommunityString Display String This is the community string received in a Get Set SNMP request that did not pass authentication tests This object is returned in the authenticationFailure trap IcAuthFaillpAddr IP Address This is the source address of a Get Set SNMP request that did not pass authentication tests This object is returned in the authentication Failure trap IcAuthFailInterface Number ethernet 1 catv 2 other 3 This is the interface port on which was received a Get Set SNMP request that did not pass authentication tests This object is returned in the authenticationFailure trap 4 100 302693 B Rev 00 Troubleshooting LcTrapTypeEntry An entry in this table defines a particular trap type supported by the system The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in LcTrapTypeEntry table Index Variable Name Set Get Response Status Description Status Variable Name Set Get Response Status Description IcTrapTypeIndex Number coldstartTrap 1 warmstartTrap 2 linkUpTrap 3 linkDownTrap 4 authentica tionFailureTrap 5 topologyChangeTrap 6 newRootTrap 7 The variable is the index of this
28. Step 3 Ensure Devices Can Communicate with the TFTP Server 5 5 nitate Upgrade Process evt rp a md a a ae PG RR eg d s 5 6 Saare Upgrade vir SNMP tap OS pex t ESL ER uen S 5 6 Software Upgrade via the LCn Provisioning Servers Automatic Software Upgrade 5 7 Step 5 Upgrade and Compile the Latest CMTS SNMP 5 8 Step 6 Verify Upgrade Completed Successfully sse 5 8 302693 B Rev 00 xi CMTS 1000 Installation Manual V1 2 xii 302693 B Rev 00 About This Document This manual describes how to do the following Setup the Cable Modem Termination System CMTS 1000 Setup and use Provisioning Server e Verify the CMTS installation If you are responsible for installing a cable modem network including installing cable modem termination systems you need to read this manual If you want Go to Installation preparation information for Bay Networks Chapter 1 Cable Modem Termination System 1000 Procedures to install Bay Networks Cable Modem Chapter 2 Termination System 1000 Startup operation procedures including cable modem Chapter 3 provisioning instruction Troubleshooting information including detailed SNMP Chapter 4 MIB descriptions Hardware configuration modification and upgrade
29. System Menu list The following paragraphs describe the System Menu items le Modem Termination System 1000 System Menu Enter for List OOOO Figure 4 4 System Menu Heading 302693 B Rev 00 4 9 CMTS 1000 Installation Manual V1 2 System Name The first item on the System Menu is the System Name parameter The System Name parameter is displayed in the first or top line of the LCD dis play The actual System Name is displayed in the second or bottom line of the LCD display If the CMTS 1000 has no System Name then the LCD displays no system name set System State The second item on the System Menu is the System State parameter There are currently four states in which the CMTS 1000 can be The first two states Up and Quiet have no additional status information The third and fourth states ReqSvc and Down show additional information on the status line System Up Time When selected the System Up Time parameter displays the actual time in days hours minutes and seconds that the CMTS 1000 has been opera tional System Modems The System Modems parameter displays the total number of registered modems by displaying Active and Number in the LCD status line System IP Address The System IP Address parameter displayed System Addr shows the IP address of the CMTS 1000 in the LCD status line System MAC Address The System MAC Address parameter displayed System MAC Addr shows the MAC address of the CMT
30. TFTP file server residing on the same PC Ensure the person that is performing the software upgrade is proficient in the operation and configuration of DOCSIS Cable Modems and Cable Modem Termination Systems Traffic should be minimal on the network during the upgrade process including any automatic network management polling such as SNMPc Trend Watch and Auto Discover After the upgrade has started the pro cess takes approximately one minute per cable modem or Cable Modem Termination System Network users should be notified that they will expe rience interruptions during the upgrade process 5 2 302693 B Rev 00 Modifying and Upgrading the CMTS 1000 Preliminary Upgrade Steps Become familiar with the upgrade process before attempting to execute Ensure that all the required materials are at hand Transfer upgrade software from the FTP server or Web Site to appropriate TFTP Server directory If performing a manual upgrade using an SNMP manager configure the Docs_Software Group parameters in the DocsDev MIB for each cable modem device being upgraded If implementing the automatic software upgrade procedure ensure that the LCn Provisioning Server has the proper upgrade file information Caution When implementing the Automatic Upgrade process do not attempt to automatically upgrade more than 10 units during one upgrade period using a single threaded server A multithreaded server should be limited to 25 units per u
31. ability to start and stop the authorization state machine is understood docsBpiCmPublicKey Hex Public key of the CM encoded as an ASN 1 SubjectPublicKeyInfo object as defined in the RSA Encryption Standard PKCS 1 12 docsBpiCmAuthState Number start 1 authWait 2 authorized 3 reauthWait 4 authRejectWait 5 The state of the CM authorization FSM The start state indicates that FSM is in its initial state 4 110 302693 B Rev 00 Troubleshooting AuthKeySequenceNumber Variable Name Set Get Response Status Description AuthExpires Variable Name Set Get Response Status Description AuthReset Variable Name Set Get Response Status Description docsBpiCmAuthKeySequenceNumber Number The authorization key sequence number for this FSM docsBpiCmAuthExpires DateAndTime Actual clock time when the current authoriza tion for this FSM expires If the CM does not have an active authorization then the value is of the expiration date and time of the last active authorization docsBpiCmAuthReset Truth Value Setting this object to True generates a Re authorize event in the authorization FSM as described in section 4 1 2 3 4 of the Baseline Privacy Interface Specification Reading this object always returns False 302693 B Rev 00 4 111 CMTS 1000 Installation Manual V1 2 AuthGraceTime Variable Name Set Get Response Status Description TEKGraceTi
32. at the headend determines the value of the signal level at the input to the return channel amplifiers In forward path calculations the key reference point is the output level of the amplifier For return path calculations the input level to the first active device becomes the key reference point Once the level is known by sys tem design all return path losses and gains back to the headend and CMTS 1000 are accounted for The key for selecting the attenuation for the return path is knowing the input level to the first active device The cable modems minimum output is 8 dBmV The path loss from the subscriber location to the first active device must be sufficient enough so that a lower level is not required to reach the designed input level of the first active device When this process is followed the return path is optimized for the 43 dB 16 QAM or 50 dB QPSK of cable modem TX range The path loss from the subscriber to the first active device cannot exceed these ranges If exceeded the cable modem transmitter would be at its maximum output and not be able to reach the TX level required to provide optimum performance 302693 B Rev 00 2 9 CMTS 1000 Installation Manual V1 2 Setting the Return Channel Attenuation When Combining Multiple Returns To optimize the return path for the correct signal levels the output of the return combiner should be within 1 5 dB of the lowest signal before pad ding For example when
33. cause a hazardous condition due to uneven mechanical loading 302693 B Rev 00 2 3 CMTS 1000 Installation Manual V1 2 Cooling Requirements The CMTS 1000 is designed for standard rack mounting in a 19 equip ment rack It requires 2 6 inches of vertical rack space 1 5 rack units It should be installed in a rack allowing some access to the back of the unit The CMTS 1000 should be free of strong RF radiation emanating from local equipment in the rack Power line transients that may cause damage to the unit should be avoided It should be installed in a location with ade quate ventilation It is designed to operate at temperatures ranging from 5 C to 40 C As with all electrical equipment operation at excessive temperature accel erates the deterioration of components and adversely effects performance For this reason measures should be taken to prevent the buildup of exces sive heat in the rack Precautions should include e Full rack space between every unit Forced ventilation in an enclosed rack Caution CMTS 1000 has vents on the side panel for air intake The CMTS 1000 also has a fan on the opposite side panel When you install CMTS 1000 in a rack make sure objects do not block the vents on the side panel or the fan on the opposite side panel If the CMTS 1000 is installed in a closed or multi unit rack assembly the operating ambient temperature of the rack environment may be greater than room ambient The
34. configured value CMTS the most current value CM or the value of unknown 1 302693 B Rev 00 4 41 CMTS 1000 Installation Manual V1 2 Interleave Variable Name Set Get Response Status Description docsIfDownChannellInterleave unknown 1 other 2 taps8Increment16 3 taps 16Increment8 4 taps32Increment4 5 taps64Increment2 6 taps128Increment1 7 The Forward Error Correction FEC inter leaving used for this downstream channel Values are defined as follows taps8Increment16 3 protection 5 9 4 1 usec latency 22 15 msec taps16Increment8 4 protection 12 8 2 usec latency 48 33 msec taps32Increment4 5 protection 24 16 usec latency 98 68 msec taps64Increment2 6 protection 47 33 usec latency 2 1 4 msec taps128Increment1 7 protection 95 66 usec latency 4 2 8 msec If the interface is down this object either returns the configured value CMTS the most current value CM or the value of unknown 1 The value of other 2 is returned if the interleave is known but not defined in the above list 4 42 302693 B Rev 00 Troubleshooting Power Variable Name Set Get Response Status Description IfUpstreamChannelEntry docsIfDownChannelPower Number TenthdBmV At the CMTS the operational transmit power At the CM the received power level May be set to zero at the CM if power level measure ment is not supported If the interface is down t
35. createAndGo createAndWait destroy Description Controls and reflects the CM authorization for each multicast SID Loading and Compiling the MIB When using the CastleRock SNMP manager SNMPc the order in which the MIB is compiled is critical The following list provides the best loading sequence for the CMTS 1000 SNMP MIBs 1 2 3 4 9 6 7 8 9 10 12 13 standard mib snmpv2 mib rfc1213 mib rfc1215 mib rfc1493 mib rfc1573 mib rfc1643 mib mcnsif snmpc mib mcnsscm_snmpc mib lancityheader mib lancity mib bpi mib other mibs 302693 B Rev 00 4 141 CMTS 1000 Installation Manual V1 2 4 142 302693 B Rev 00 Chapter 5 Modifying and Upgrading the CMTS 1000 Introduction The CMTS 1000 use the Trivial File Transfer Protocol TFTP to perform software upgrades The following sections describe how to upgrade Bay Network s Cable Modem and Cable Modem Termination System run time software Bay Network s CMTS 1000 can be upgraded manually using an SNMP manager both on line and off line The modems can also be automatically upgraded using the LCn Provisioning Server 302693 B Rev 00 5 1 CMTS 1000 Installation Manual V1 2 Upgrade Recommendations Read software upgrade readme file for latest released software upgrade information Use a standard Simple Network Management Protocol SNMP manage ment station such as CastleRock s SNMPc Have the network manager and
36. description of the status entry for each MIB variable in the docsIfCmStatusEntry table This table is implemented only at the CM and maintains a number of status objects and counters for Cable Modems This table includes a set of status objects and counters for a single MAC layer instance in a Cable Modem An entry in this table exists for each ifEntry with an of docsCa bleMaclayer 127 302693 B Rev 00 Troubleshooting iflndex Variable Name Set Get Response Status Description Value Variable Name Set Get Response Status Description ifIndex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization docsIfCmStatus Value Number other 1 notReady 2 notSynchro nized 3 phySynchronized 4 usParameters Acquired 5 rangingComplete 6 ipComplete 7 todEstablished 8 security Established 9 paramTransferComplete 10 registrationComplete 11 operational 12 accessDenied 13 Current Cable Modem connectivity state as specified in the RF Interface Specification REFERENCE Data over Cable Radio Frequency Interface Specification Chapter 7 2 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 Code TxPower Resets Variable Name Set Get Response Status Description
37. for each MIB variable in the LcPhyEntry table Index Variable Name IcPhyIndex Set Get Response Status Number primary 1 aux1 2 Description Name Index for each Ethernet PHY 4 104 302693 B Rev 00 Troubleshooting Enable Variable Name Set Get Response Status Description AutoNegotiate Variable Name Set Get Response Status Description Active Variable Name Set Get Response Status Description Speed Variable Name Set Get Response Status Description IcPhyEnable Truth Value If true this PHY may be used If false this will not be used IcPhyAutoNegotiate Truth Value If true this PHY auto negotiates if active If false this PHY is manually configured if active IcPhyActive Truth Value If true this PHY is the one being used If false this PHY is not being used IcPhySpeed Number Determines the speed for this PHY If IcPhyAutoNegotiate is true writes to this value are prohibited If IcPhyAutoNegotiate is false this PHY will be forced to this speed Valid values are 10000000 and 100000000 302693 B Rev 00 4 105 CMTS 1000 Installation Manual V1 2 FullDuplex Variable Name Set Get Response Status Description LcSticky YellowEntry IcPhyFullDuplex Truth Value Determines the duplex mode for this PHY If IcPhyAutoNegotiate is true writes to this value are prohibited If IcPhyAutoNegotiate is false this PHY will be forced to this d
38. grade 2 ignoreProvisioningUpgrade 3 If set to upgradeFromMsgt 1 the device will initiate a TFTP software image download using docsDevSwFilename After success fully receiving an image the device will set its state to ignoreProvisioningUpgrade 3 and reboot If the download process is interrupted by a reset or power failure the device will load the previous image and after reinitial ization continue to attempt loading the image specified in docsDevSwFilename If set to allowProvisioningUpgrade 2 the device will use the software version informa tion supplied by the provisioning server when next rebooting this does not cause a reboot When set to ignoreProvisioningUpgrade 3 the device will disregard software image upgrade information from the provisioning server Note that reading this object can return upgradeFromMsgt 1 This indicates that a software download is currently in progress and that the device will reboot after success fully receiving an image 4 22 302693 B Rev 00 Troubleshooting OperStatus Variable Name Set Get Response Status Description docsDevSwOperStatus inProgress 1 completeFromProvision ing 2 completeFromMegt 3 failed 4 other 5 InProgress 1 indicates that a TFTP download is underway either as a result of a version mismatch at provisioning or as a result of an upgradeFromMgt request CompleteFrom Provisioning 2 indicates that the last soft ware upg
39. list of service classes as shown in Figure 3 13 Service classes are created using the Class of Service option button accessed from the LCn Control Panel Misc tab 3 32 302693 B Rev 00 Startup Operation Procedures amp Class of Service Assigned Available lt Add DOCSIS Remove Figure 3 13 Class of Service Subscriber Information The Subscriber Information screen provides you with an option to add additional data to the basic cable modem parameters see Figure 3 14 This information is offered as a convenience to the Multiple System Opera tors MSOs The fields allow you to add information that relates to the subscriber and an optional free format notes section This additional data is maintained in the database and is related to the cable modem via the MAC address field of the base modem parameters 302693 B Rev 00 3 33 CMTS 1000 Installation Manual V1 2 Figure 3 14 Subscriber Information The following fields appear on this screen Name This free format field allows you to enter the name of the subscriber Address line 1 This free format field allows you to enter the street address of the sub scriber Address line 2 This free format field allows you to enter the street address of the sub scriber City This free format field allows you to enter the city or town of the subscriber 3 34 302693 B Rev 00 Startup Operation Procedures State T
40. octets per second received on this port The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the lccmtsDPConfigurationInfo table ForwardingMode Variable Name Set Get Response Status Description IcForwardingMode Number none 1 dhcp arp 2 Controls the Forwarding Data Base Learning Mode If set to none 1 the CMTS uses trans parent learning If set to dhcp arp 2 the CMTS uses Layer 3 switching based DHCP and ARP 302693 B Rev 00 Troubleshooting ProxyArp Variable Name Set Get Response Status Description ProxyArpTimeout Variable Name Set Get Response Status Description IccmDevice IcProxy Arp Number enable 1 disable 2 Controls Proxy ARP on the CMTS when it is in transparent learning mode If set to enable 1 the CMTS responds to an ARP received from the Cable when the IP Address is known and responds to an ARP received from the Ethernet when the IP Address is known to be on the Cable If set to disable 2 CMTS does not respond to any ARPs IcProxy ArpTimeout Number Controls the timeout in seconds of the Proxy Arp cache entries IccmDevice is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings LcScanningFrequencyEntry This MIB group defines a range of channels to be used by the modem to find
41. of CPE MAC Addresses that is allowed to be entered on this screen The Max Nbr Cpe count is taken from the Enter Cable Modem Data screen s Maximum CPEs entry Enter Cable Modem Termination System Data You can add parameters for a new CMTS or edit parameters for an existing CMTS using the Enter CMTS Data screen see Figure 3 16 For existing CMTS you select a CMTS from the list on the Modems screen and click on Edit All fields are filled in from the appropriate records in the database Changes to this data should be made by network operation s staff who have appropriate networking and product training When you click on Add an intermediate screen appears prior to LCn dis playing the Enter CMTS Data screen This screen requests that you enter a name for the new item Enter a name for the CMTS and press OK amp CMTS Name I Network tc 1H Mac Address Serial Number mgH IP Address I mm Subnet Mask I Gateway iz Log Server Time Server fc mH I zi Upgrade File Name DHCP Lease Time 2 x Dans Daylight Savings Time IF DownStream Cae IF Upstream BH Modulation o IPFiters SNMP Write MIBObjects z NMAccess BH Figure 3 16 Enter CMTS Data 302693 B Rev 00 3 37 C
42. of the network manage ment stations If traps are enabled for this entry then the value must be 255 255 255 255 docsDeyNmAccessCommunity DisplayString The community string to be matched for access by this entry If set to the null string then any community string will match docsDevNmAccessControl none 1 read 2 readWrite 3 roWith Traps 4 rwWithTraps 5 trapsOnly 6 Specifies the type of access allowed to this NMS Setting this object to none 1 causes the table entry to be destroyed Read 2 allows access by get and get next PDUs ReadWrite 3 allows access by set as well RoWithtraps 4 rwWithTraps 5 and trap sOnly 6 control distribution of Trap PDUs transmitted by this device 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 Interfaces Status Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsDevNmAccessInterfaces Octet String Specifies the set of interfaces from which requests from this NMS will be accepted Each octet within the value of this object specifies a set of 8 interfaces with the first octet specifying ports through 8 the second octet specifying interfaces 9 through 16 etc Within each octet the most significant bit represents the lowest numbered interface and the least significant bit represents the highest numbered interface Thus each interface is represented by a single bit within
43. returns a value of zero docsIfCmtsCmStatusRx Power Number TenthdBmV The receive power as percieved for upstream data from this Cable Modem If the receive power is unknown this object returns a value of zero docsIfCmtsCmStatusTimingOffset Number A measure of the current round trip time for this CM Used for timing of CM upstream transmissions to ensure synchronized arrivals at the CMTS Units are in terms of 6 25 microseconds 64 Returns zero if the value is unknown 4 70 302693 B Rev 00 Troubleshooting EqualizationData Variable Name Set Get Response Status Description docsIfCmtsCmStatusEqualizationData Number Hex Equalization data for this CM Returns an empty string if the value is unknown or if there is no equalization data available or defined REFERENCE Data Over Cable Radio Frequency Interface Specification Figure 6 22 302693 B Rev 00 4 71 CMTS 1000 Installation Manual V1 2 Value Variable Name Set Get Response Status Description docsIfCmtsCmStatus Value Number other 1 ranging 2 rangingAbor ted 3 rangingComplete 4 ipComplete 5 registrationComplete 6 accessDenied 7 Current Cable Modem connectivity state as specified in the RF Interface Specification Returned status information is the CM status as assumed by the CMTS and indicates the following events other 1 Any state other than below ranging 2 The CMTS has received an Initia
44. six nodes are combined the test signal is injected to be at the designed input level for the first active element amplifier As the test signal is injected measure the input level to the combiner at the headend and record the level The lowest level signal becomes the refer ence for adjusting the level to the input of the combiner In Figure 2 3 the lowest level signal is the input at 24 dBmV The signals should be padded at the input of the combiner to be within 1 5 dB of the lowest signal If a signal is 2 dB hotter than the lowest signal add a 3 dB pad to make it 1 dB lower See the input at D If a signal is 4 dB hotter than the lowest signal add a 3 dB pad to make it 1 dB hotter See the input at B This ensures that when the remote nodes auto adjust their transmit levels they will not exceed the designed input level of the first active device Follow the return pad selection instructions for the pad on the output of the combiner 2 10 302693 B Rev 00 Hardware Installation A 30dBmV 24 dBmV B 28 dBmV 25 dBmV 12 dB Attenuator C 25dBmV 25 dBmV 13dBmVA 4 A CMTS 1000 RF in 1 dBmV D 26dBmV 23 dBmV E 27dBmV 24 dBmV 24dBmV 24 dBmV 11 dB 8 Way Combiner Figure 2 3 Setting Return Attenuation When Combining Multiple Returns Set the Forward Channel Output Level The CMTS 1000758 downstream frequency plan complies with Harmonic Related Carrier HRC Incremental Related Carrier IRC or
45. the attributes of each class of service The entries in this table are referenced from the docsIfServiceEntries They exist as a sep arate table in order to reduce redundant information in docsIfServiceTable This table is implemented at both the CM and the CMTS The CM need only maintain entries for the classes of service referenced by its docsIfSer viceTable Index Variable Name Set Get Response Status Description docsIfQosProfIndex Number The index value that uniquely identifies an entry The index value which uniquely identi fies an entry in the docsIfQosProfileTable 302693 B Rev 00 4 47 CMTS 1000 Installation Manual V1 2 Priority Variable Name Set Get Response Status Description MaxUpBandwidth Variable Name Set Get Response Status Description GuarUpBandwidth Variable Name Set Get Response Status Description docsIfQosProfPriority Number 0 7 A relative priority assigned to this service when allocating bandwidth Zero indicates lowest priority seven highest Interpretation of priority is device specific docsIfQosProfMaxUpBandwidth Number The maximum upstream bandwidth in bits per second allowed for a service with this service class Zero if there is no restriction of upstream bandwidth docsIfQosProfGuarUpBandwidth Number Minimum guaranteed upstream bandwidth in bits per second allowed for a service with this service class 4 48 3026
46. the runs into one CMTS return port is helpful from a cost viewpoint But as the concentration of modems increases runs can be split off For example if two runs have 500 or more cable modems then these two runs can be split off into a new CMTS return port and the remaining runs stay on the original CMTS return port As the density increases even further it may be necessary to split out the runs so that each run has its own CMTS return port Combining and split ting runs at the head end is a relatively easy task Typically the fiber optic link is the weakest link it creates the most noise in the upstream This is based on the type of return laser used In many cases Fabler Perot lasers are used in the upstream because of their lower cost compared to DFB Distributed Feed Back lasers For example if a Fabray Perot optical link offers a C N of 40 dB then the total system C N 302693 B Rev 00 General Description will only get worse as you add the C Ns from all the other contributors 1 Coax plant forward reverse and forward fiber C Ns The above approach works as long as the noise level on the cable plant is low enough to allow combining a number of runs If this is not the case then it might be necessary to do the following e Start with multiple CMTS return ports with each run Lower the number of combined runs going into one CMTS return port e Clean up noise on the cable plant The best solution is as fo
47. the value of this object If that bit has a value of 1 then that interface is included in the set Note that entries in this table apply only to link layer interfaces e g Ethernet and CATV MAC Upstream and downstream channel interfaces must not be specified docsDevNmAccessStatus RowStatus active notInService notReady createAndGo createAndWait destroy Controls and reflects the status of rows in this table 4 20 302693 B Rev 00 Troubleshooting Docs_Software The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsDevSoftwarelInfo table Server Variable Name Set Get Response Status Description Filename Variable Name Set Get Response Status Description docsDevSwServer IP Address The address of the server used for soft ware upgrades docsDevSwFilename DisplayString Size 0 64 The file name of the software image to be loaded into this device Unless set via SNMP this is the file name specified by the provi sioning server that corresponds to the soft ware version that is desired for this device If unknown the string unknown is returned 302693 B Rev 00 4 21 CMTS 1000 Installation Manual V1 2 AdminStatus Variable Name Set Get Response Status Description docsDevSwAdminStatus upgradeFromMgt 1 allowProvisioningUp
48. value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization docsIfCmtsServiceld Number Identifies a service queue for upstream band width The attributes of this service queue are shared between the Cable Modem and the Cable Modem Termination System The CMTS allocates upstream bandwidth to this service queue based on requests from the CM and on the class of service associated with this queue docsBpiCmtsTEKLifetime Number Seconds Lifetime in seconds the CMTS assigns to keys for this TEK association 302693 B Rev 00 4 133 CMTS 1000 Installation Manual V1 2 BpiCmtsTEKGraceTime Variable Name Set Get Response Status Description BpiCmtsTEKExpiresOld Variable Name Set Get Response Status Description BpiCmtsTEKExpiresNew Variable Name Set Get Response Status Description docsBpiCmtsTEKGraceTime Number Seconds Grace time for the TEK in seconds The CM is expected to start trying to get a new beginning TEKGraceTime seconds before the TEK actually expires docsBpiCmtsTEKExpiresOld DateAndTime Actual clock time for expiration of the oldest active key for this TEK association If this TEK association has no active keys then the value is of the expiration date and time of the last active key docsBpiCmtsTEKExpiresNew DateAndTime Actual clock ti
49. 0b 7200 baudrate9600b 9600 baudrate12000b 12000 baudrate14400b 14400 baudrate19200b 19200 baudrate28800b 28800 baudrate38k 38400 baudrate56k 57600 baudrate64k 64000 baudrate76k 76800 baudrate96k 96000 baudrate115k 115200 Baud rate configured on this Serial Port IcSerialPortDataBits Number Number of data bits configured on this Serial Port IcSerialPortParity Number none 1 odd 2 even 3 Type of parity configured on this Serial Port 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 StopBits Variable Name IcSerialPortStopBits Set Get Response Status Number 5161 s15bit 2 s2bit 3 Description Number of stop bits configured on this Serial Port ModemEnable Variable Name IcSerialPortModemEnable Set Get Response Status Number enabled 1 disabled 2 Description Enable the Serial Port to run with modem leads enabled LcModemVendorEntry This table defines modems which are allowed to register with this CMTS Modem vendors are identified by the OUI portion of the MAC address used by the modem for registration In order to allow further differentiation based on particular models the entire MAC address may be masked and used to screen registrations The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the LcModemVendorEntry table 4 90 302693 B Rev 00 Troubleshooting In
50. 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization 302693 B Rev 00 4 73 CMTS 1000 Installation Manual V1 2 Id Variable Name Set Get Response Status Description CmStatusIndex AdminStatus Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsIfCmtsServiceld Number Identifies a service queue for upstream band width The attributes of this service queue are shared between the Cable Modem and the Cable Modem Termination System The CMTS allocates upstream bandwidth to this service queue based on requests from the CM and on the class of service associated with this queue docsIfCmtsServiceCmStatusIndex Number Pointer to an entry in docsIfCmtsCmStatus Table identifying the Cable Modem using this Service Queue If multiple Cable Modems are using this Service Queue the value of this object is zero docsIfCmtsServiceAdminStatus Number enabled 1 disabled 2 destroyed 3 Allows a service class for a particular modem to be suppressed re enabled or deleted altogether 4 74 302693 B Rev 00 Troubleshooting QosProfile CreateTime InOctets InPackets Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Var
51. 2 ifCmtsStatusEntry The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfCmtsStatusEntry table For the MAC layer this group maintains a number of status objects and counters It includes the Status entry for a single MAC layer An entry in this table exists for each ifEntry with an of docsCableMa clayer 127 iflndex Variable Name Set Get Response Status Description InvalidRangeReqs Variable Name Set Get Response Status Description ifindex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization docsIfCmtsStatusInvalidRangeReqs Number This object counts invalid RNG REQ mes sages received on this interface 302693 B Rev 00 Troubleshooting RangingAborteds Variable Name Set Get Response Status Description InvalidRegReqs Variable Name Set Get Response Status Description FailedRegReqs Variable Name Set Get Response Status Description InvallidDataReqs Variable Name Set Get Response Status Description docsIfCmtsStatusRangingAborteds Number This object counts ranging attempts that were explicitely aborted by the CMTS docs
52. 2693 B Rev 00 CMTS 1000 Installation Manual V1 2 Iccmtsdevice Iccmtsdev is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings LcCmtsProvisioninglnfo The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the LcCmtsProvisioningInfo table ProvisioningControl Variable Name Set Get Response Status Description IcProvisioningControl Number use dhcp and tftp 1 use dhcp 2 use tftp 3 use nvram 4 Controls the use of file based provisioning by the CMTS If set to use dhcp and tftp 1 use dhcp 2 The CMTS will use DHCP to find its IP address subnet mask default router and TFIP server Config uration parameters will be provisioned from a TFT Ped parameter file DHCP will be used to find the IP address subnet mask and default router but all other parameters will come from NVRAM 4 86 302693 B Rev 00 Troubleshooting ConfiglpAddress Variable Name Set Get Response Status Description ConfiglpSubnet Variable Name Set Get Response Status Description use tftp 3 The CMTS will use NVRAM for its IP address but other configured parame ters will be loaded via use nvram 4 operational parameters are taken from nonvolatile RAM IcConfigIpAddress IP Address The IP addr
53. 93 B Rev 00 Troubleshooting MaxDownBandwidth MaxTxBurst Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description BaselinePrivacy Status Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsIfQosProfMaxDownBandwidth Number The maximum downstream bandwidth in bits per second allowed for a service with this service class Zero if there is no restric tion of downstream bandwidth docsIfQosProfMaxTxBurst Number The maximum number of mini slots that may be requested for a single upstream transmis sion A value of zero means there is no limit docsIfQosProfBaselinePrivacy Truth Value Indicates whether Baseline Privacy is enabled for this service class docsIfQosProfStatus RowStatus active notInService notReady createAndGo createAndWait destroy Controls and reflects the status of rows in this table 302693 B Rev 00 4 49 CMTS 1000 Installation Manual V1 2 IfSignalQualityEntry Index The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the DocsIfSignalQualityEntry table The table at the CM describes the PHY characteristics of a downstream channel At the CMTS the table describes the PHY signal quality of an upstream channel An entry in this table exi
54. Adding Users and Assigning Specific Admin Rights After you install the LCn and its supporting software you need to add users that you wish to have access to the LCn To add users to the LCn database and assign specific admin rights perform the following procedure 1 From the LCn Control Panel click on Admin tab LCn displays the LCn Control Panel Admin Tab screen as shown in Figure 3 5 2 Click on Users LCn displays the Users screen as shown in Figure 3 6 3 12 302693 B Rev 00 Startup Operation Procedures amp Users Done vette Adminis Record 14 4 11188 rrr of 1 Figure 3 6 LCn Users 3 Enter the name of the LCn user This is the name that the user enters when he or she is logging in to the LCn It will be validated against the access control list in the database before a user is granted access to the system 4 Click on Admin Rights LCn displays the Admin Rights screen as shown in Figure 3 7 302693 B Rev 00 3 13 CMTS 1000 Installation Manual V1 2 amp Admin Rights for admin I XI XI I I 4 Iv iv iv Iv M M M M M M Figure 3 7 Admin Rights 5 Clicking on the box next to a specific Admin Rights function allows the entered user to access that function Refer to Table 3 1 for a description of each Admin Rights function 6 Toreturn to the LCn Control Panel click Done LCn returns to the Users screen Click done LCn returns to the C
55. AuthRejectWaitTimeout Number Seconds Authorization Reject Wait Timeout in sec onds The value of this object cannot be changed while the authorization state machine is running Note This object will be read write accessi ble only after the ability to start and stop the authorization state machine 15 understood docsBpiCmAuthRequests Number The count of times the CM has transmitted an Authorization Request message docsBpiCmAuthReplies Number The count of times the CM has received an Authorization Reply message 302693 B Rev 00 4 115 CMTS 1000 Installation Manual V1 2 AuthRejects Variable Name Set Get Response Status Description AuthInvalids Variable Name Set Get Response Status Description AuthRejectErrorCode Variable Name Set Get Response Status Description docsBpiCmAuthRejects Number The count of times the CM has received an Authorization Reject message docsBpiCmAuthInvalids Number The count of times the CM has received an Authorization Invalid message docsBpiCmAuthRejectErrorCode Number none 1 unknown 2 unautho rizedCm 3 unauthorizedSid 4 Error Code in most recent Authorization Reject message received by the CM This has value unknown 2 if the last Error Code value was 0 and none 1 if no Authorization Reject message has been received since reboot 4 116 302693 B Rev 00 Troubleshooting AuthRejectErrorString Variable
56. BpiCmReauthWaitTimeout Number Seconds Reauthorize Wait Timeout in seconds The value of this object cannot be changed while the authorization state machine is running Note This object will be read write accessi ble only after the ability to start and stop the authorization state machine is understood 302693 B Rev 00 4 113 CMTS 1000 Installation Manual V1 2 OpWaitTimeout Variable Name Set Get Response Status Description ReKeyWaitTimeout Variable Name Set Get Response Status Description docsBpiCmOpWaitTimeout Number Seconds Operational Wait Timeout in seconds The value of this object cannot be changed while the authorization state machine is running Note This object will be read write accessi ble only after the ability to start and stop the authorization state machine is understood docsBpiCmRekeyWaitTimeout Number Seconds Rekey Wait Timeout in seconds The value of this object cannot be changed while the authorization state machine is running Note This object will be read write accessi ble only after the ability to start and stop the authorization state machine is understood 4 114 302693 B Rev 00 Troubleshooting AuthRejectWaitTimeout Variable Name Set Get Response Status Description AuthRequests Variable Name Set Get Response Status Description AuthReplies Variable Name Set Get Response Status Description docsBpiCm
57. Chapter 5 information 302693 B Rev 00 xiii CMTS 1000 Installation Manual V1 2 Before You Begin Before using this document you should be familiar with RF measuring equipment data over cable TV system installation procedures Cable Modem Provisioning Server and general RF cable plant operating meth ods You should also be familiar with an SNMP manager Conventions angle brackets lt gt bold text brackets ellipsis points italic text quotation marks Indicate that you choose the text to enter based on the description inside the brackets Do not type the brackets when entering the command Example if command syntax is ping ip address you enter ping 192 32 10 12 Indicates text that you need to enter command names and buttons in menu paths Example Enter wfsm amp Example Use the dinfo command Example ATM DXI Interfaces PVCs identifies the PVCs button in the window that appears when you select the Interfaces option from the ATM DXI menu Indicate optional elements You can choose none one or all of the options Horizontal and vertical ellipsis points indicate omitted information Indicates variable values in command syntax descriptions new terms file and directory names and book titles Indicate the title of a chapter or section within a book Xiv 302693 B Rev 00 About This Document screen text separator g
58. DSAP OxAA 302693 B Rev 00 4 33 CMTS 1000 Installation Manual V1 2 Matches Variable Name docsDevFilterLLCMatches Set Get Response Status Number Description Counts the number of times this filter was matched IP_Filters The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsDevFilterIPEntry table Index Variable Name docsDevFilterIpIndex Set Get Response Status Number Description Index used to order the application of filters The filter with the lowest index is always applied first Status Variable Name docsDevFilterIpStatus Set Get Response Status Number Description Controls and reflects the status of rows in this table 4 34 302693 B Rev 00 Troubleshooting Control Variable Name Set Get Response Status Description IFIndex Variable Name Set Get Response Status Description Direction Variable Name Set Get Response Status Description docsDevFilterIpControl discard 1 accept 2 If set to discard 1 all packets matching this filter will be discarded and scanning of the remainder of the filter list will be aborted If set to accept 2 all packets matching this fil ter will be accepted for further processing e g bridging and scanning of the remainder of the filter list will be aborted docsDevFilterIpIfIndex InterfaceIndexOrZero The entry interface to which t
59. IB Objects Tab 3 6 302693 B Rev 00 Startup Operation Procedures Filters The Filters option allows you to create and maintain SNMP filters through LCn Write Access The Write Access option allows you to enable or disable setting specific MIB variables for targeted cable modems Assign Values The Assign Values option allows you to assign values to SNMP objects NMAccess The NMAccess Network Management Access option specifies the IP addresses and community strings to manage the modem Event Control The Event Control option defines the way Syslog messages are generated and the way events are tracked and reported IF Downstream The IF Downstream option defines the downstream channel used by a given CMTS IF Upstream The IF Upstream option defines the upstream channel used by a given CMTS 302693 B Rev 00 3 7 CMTS 1000 Installation Manual V1 2 Modulation The Modulation option defines the modulation characteristics of various parts of the upstream channel Misc The LCn Control Panel s Misc tab as shown in Figure 3 4 includes Class of Service Privacy and Print Reports options allowing access to these editing functions lolx Figure 3 4 LCn Control Panel Misc Tab Class of Service The Class of Service button allows you to add edit or delete a class of ser vice The cable modem must be assigned a service class It inherits param eters from the class Privacy The Privacy bu
60. IfCmtsStatusInvalidRegReqs Number This object counts invalid REG REQ mes sages received on this interface docsIfCmtsStatusFailedRegReqs Number This object counts failed registration attempts i e authentication failures and class of service failures on this interface docsIfCmtsStatusInvalidDataReqs Number This object counts invalid data request mes sages received on this interface 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 T5Timeouts Variable Name docsIfCmtsStatusT5 Timeouts Set Get Response Status Number Description This object counts the number of times counter T5 expired on this interface ifCmtsCmStatus Index The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfCmtsCmStatus table This table is implemented only at the CMTS It contains per CM status information available in the CMTS The table contains a set of objects in the CMTS maintained for each Cable Modem connected to this CMTS It contains status information for a single Cable Modem An entry in this table exists for each Cable Modem that is connected to the CMTS imple menting this table Variable Name docsIfCmtsCmStatus Index Set Get Response Status Number Description Index value to uniquely identify an entry in this table For an individual Cable Modem this index value should not change during CMTS upti
61. KInvalids Number The count of times the CMTS has transmitted a TEK Invalid message docsBpiCmtsKeyRejectErrorCode Number none 1 unknown 2 unauth orizedSid 4 Error Code in the most recent Key Reject message sent in response to a Key Request for this BPI SID This has value unknown 2 if the last Error Code value was 0 and none 1 if no Key Reject message has been received since reboot docsBpiCmtsKeyRejectErrorString DisplayString Display String in the most recent Key Reject message sent in response to a Key Request for this BPI SID This is a zero length string if no Key Reject message has been received since reboot 4 136 302693 B Rev 00 Troubleshooting BpiCmtsTEKInvalidErrorCode Variable Name Set Get Response Status Description BpiCmtsTEKInvalidErrorString Variable Name Set Get Response Status Description docsBpiCmtsTEKInvalidErrorCode Number none 1 unknown 2 invalidKey Sequence 6 Error Code in the most recent TEK Invalid message sent in association with this BPI SID This has value unknown 2 if the last Error Code value was 0 and none 1 if no TEK Invalid message has been received since reboot docsBpiCmtsTEKInvalidErrorString DisplayString Display String in the most recent TEK Invalid message sent in association with this BPI SID This is a zero length string if no TEK Invalid message has been received since reboot 302693 B Rev 00 4 137 C
62. LITY OF SUCH DAMAGES IN NO EVENT 302693 B Rev 00 V CMTS 1000 Installation Manual V1 2 SHALL THE LIABILITY OF BAY NETWORKS RELATING TO THE SOFTWARE OR THIS AGREEMENT EXCEED THE PRICE PAID TO BAY NETWORKS FOR THE SOFTWARE LICENSE 5 Government Licensees This provision applies to all Software and documentation acquired directly or indirectly by or on behalf of the United States Government The Software and documentation are commercial products licensed on the open market at market prices and were developed entirely at private expense and without the use of any U S Government funds The license to the U S Government is granted only with restricted rights and use duplication or disclosure by the U S Government is subject to the restrictions set forth in subparagraph c 1 of the Commercial Computer Software Restricted Rights clause of FAR 52 227 19 and the limitations set out in this license for civilian agencies and subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause of DFARS 252 227 7013 for agencies of the Department of Defense or their successors whichever is applicable 6 Use of Software in the European Community This provision applies to all Software acquired for use within the European Community If Licensee uses the Software within a country in the European Community the Software Directive enacted by the Council of European Communities Directive dated 14 May 1991 will apply to the examin
63. MTS 1000 Installation Manual V1 2 CmtsBpiMulticast CmtsBpiMulticast is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings DocsBpiMulticastMapEntry This group describes the mapping of IP multicast address prefixes to multi cast SIDs on each CMTS MAC interface The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the DocsBpiMulticastMapEntry table iflndex Variable Name ifIndex Set Get Response Status Number Description A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization Address Variable Name docsBpilpMulticastAddress Set Get Response Status Address Description The IP multicast address prefix to be mapped 4 138 302693 B Rev 00 Troubleshooting PrefixLength Variable Name Set Get Response Status Description Serviceld Variable Name Set Get Response Status Description MapControl Variable Name Set Get Response Status Description docsBpilpMulticastPrefixLength Number The IP multicast address prefix length to be mapped docsBpilpMulticastServiceld Number The multicast SID to be used in this IP multi cast addre
64. MTS 1000 Installation Manual V1 2 Name Network The following fields appear on this screen This free format field enables you to assign a name to the CMTS This option enables you to assign this CMTS to a network Its pull down menu displays the networks that were defined for this system refer to the network parameter section of this document The CMTS must be assigned to an existing network it inherits parameters from the network When you select a network a pop up dialog box asks if the network defaults should be applied to this CMTS Select the Apply option to fill in the network Subnet Mask and other net work fields with default values that may have been entered when you defined your networks The values are the network wide values These fields may still be modified to customize an individual CMTS after the defaults have been applied MAC Address This field is the MAC address of the CMTS The information is available from the CMTS label Serial Number If you need to enter a CMTS serial number directly it is available from the CMTS label Type it into the field or read it from the bar code label on the CMTS with an appropriate bar code reader 3 38 302693 B Rev 00 Startup Operation Procedures IP Address Subnet Mask Gateway Log Server Time Server The IP Address is used in the management of the CMTS It does not need to be a globally routable IP address Normally it will be assigned by the
65. S 1000 in the LCD status line 4 10 302693 B Rev 00 Troubleshooting System Revision The System Revision parameter displays both the hardware and software revision levels of the CMTS 1000 mother board in the LCD status line System Temperature The System Temperature parameter displayed System Temp shows the rounded up temperature in both Fahrenheit and Celsius scales Down Stream Menu From the serial number display toggling the Down or Up buttons causes the LCD to display one of the three group menu titles As discussed in the System Menu section toggling the Down or Up buttons eventually causes the LCD to display the Downstream Menu heading dis played DnStm Menu After the LCD displays the DnStm Menu heading pressing the Enter but ton causes the LCD to display the first of four DnStm Menu items Pressing the Up or Down button causes the LCD to display the next item in the DnStm Menu list The following paragraphs describe the DnStm Menu items Down Stream State The Downstream State parameter displayed DnStm State shows three states The first two Up and Down include the relative transmit power in decibels per millivolt 8 to 58 dBmV along with the RF driver state and modulation format 064 64 or 0256 QAM256 The third state RevSvc shows a hex code used by maintenance person nel 302693 B Rev 00 4 11 CMTS 1000 Installation Manual V1 2 Down Stream Center Frequency
66. The Upstream State parameter displayed UpStm State shows the Port state for up to eight ports of Upstream data one port at a time Indication per port includes Port Number P 1 through P8 and State Up Down and ReqSvc The Up and Down states include no additional information But the ReqSvc state includes a hexidecimal code used for maintenance pur poses Up Stream Center Frequency The Upstream Center Frequency parameter displayed UpStm Cent Freq shows the Center Frequency of Upstream data Indication per port includes Port number and Center Frequency in megahertz Up Stream Modulation Format and Bandwidth The Upstream Modulation Format and Bandwidth parameter displayed UpStm ModFmt BW shows the modulation format QP SK or 1 6 and bandwidth 200KHz 400KHz 800KHz 1600KHz or 3200KHz Indication per port includes Port number Modulation method and Maxi mum Channel width Upstream Input Level The Upstream Input Level parameter displayed UpStm Input Lvl shows the Port number and the input power level in dBmV 302693 B Rev 00 4 13 CMTS 1000 Installation Manual V1 2 CMTS 1000 SNMP MIB Variable Descriptions The CMTS 1000 is fully SNMP manageable Table 4 2 shows the SNMP standard impending standard and enterprise specific Management Infor mation Base MIBs groups that the CMTS 1000 support Table 4 2 CMTS 1000 Supported MIBs Standard amp Enterpris
67. UI alb eset an v St UR EE Lauf 3 17 Emer Network Data m 3 19 Cable Modem Parameter ECT sss toan ecc a t rtt ig E epa e pna 3 25 Emet dt sar NP ETE 3 26 Enter Gable Modem Termination System Data 3 37 Update Network Config ration Files nera das mni d Rode 3 43 Chapter 4 Troubleshooting TRONS ND tM M S 4 1 CMTS t000 System Console POR m UT 4 2 OPO aE R E 4 2 Ramales 4 2 Usmo Terminal 4 4 ionis ours iternm aai cf Obi Fasc dc re 4 4 GMTS GU Commande e S D 0 oom 4 5 MIS 1000 System FEBRE Panel lop dodge eto RS RPG RUD aie 4 7 TOOB SES Test POME ite i dte eo totu Yu o ai Ee tui dabo tel Ead ua ac Qu uu 4 7 0 e n 4 7 Da Wain qaasecvunpa ad unn apta taa DA Nan Va bo S prO S E OA Ra RA nein E bou 4 7 CMTS T00 LEDE E 4 7 a a LED i a aa 4 7 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 EPODO LED MT CNN 4 8 TO Ep n UR P 4 8 Downstream Ne 4 8 T TT 4 8 DNITS T80D System Paral BUS 4 8 COS TOOU System ESE cdi aspect
68. ageCode Set Get Response Status Number request 1 requestData 2 initial Ranging 3 periodicRanging 4 short Data 5 longData 6 Description An index into the Channel Modulation table which when grouped with other Interval Usage Codes fully instantiates all modula tion sets for a given upstream channel 4 76 302693 B Rev 00 Troubleshooting Control Variable Name Set Get Response Status Description Type Variable Name Set Get Response Status Description PreambleLen Variable Name Set Get Response Status Description DifferentialEncoding Variable Name Set Get Response Status Description docsIfCmtsModControl RowStatus active notInService notReady createAndGo createAndWait destroy Controls and reflects the status of rows in this table docsIfCmtsModType Number other 1 qpsk 2 qam16 3 The modulation type used on this channel docsIfCmtsModPreambleLen Number The preamble length for this modulation pro file in bits Default value 15 the minimum needed by the implementation at the CMTS for the given modulation profile docsIfCmtsModDifferentialEncoding Truth Value Specifies whether or not differential encoding is used on this channel 302693 B Rev 00 4 77 CMTS 1000 Installation Manual V1 2 FECErrorCorrection Variable Name Set Get Response Status Description FECCodewordLength Variable Name Set Get Response Status Des
69. ame Set Get Response Status Description BpiCmTEKAuthPends Variable Name Set Get Response Status Description docsBpiCmTEKKeyReplies Number The count of times the CM has received a Key Reply message docsBpiCmTEKKeyRejects Number count of times the CM has received a Key Reject message docsBpiCmTEKInvalids Number The count of times the CM has received a TEK Invalid message docsBpiCmTEK AuthPends Number The count of times an Authorization Pending Auth Pend event occurred in this FSM 302693 B Rev 00 4 121 CMTS 1000 Installation Manual V1 2 BpiCmTEKKeyRejectErrorCodes Variable Name Set Get Response Status Description BpiCmTEKKeyRejectErrorString Variable Name Set Get Response Status Description BpiCmTEKInvalidErrorCode Variable Name Set Get Response Status Description docsBpiCmTEK KeyRejectErrorCode Number none 1 unknown 2 unauthorized Sid 4 Error Code in most recent Key Reject mes sage received by the CM This has value unknown 2 if the last Error Code value was 0 and none 1 if no Key Reject message has been received since reboot docsBpiCmTEKKeyRejectErrorString DisplayString Display String in most recent Key Reject message received by the CM This is a zero length string if no Key Reject message has been received since reboot docsBpiCmTEKInvalidErrorCode Number none 1 unknown 2 invalidKey Sequence 6 Err
70. any such Software or technical data or any direct product thereof to any country to which such exports or re exports are restricted or embargoed under United States export control laws and regulations or to any national or resident of such restricted or embargoed countries or ii provide the Software or related technical data or information to any military end user or for any military end use including the design development or production of any chemical nuclear or biological weapons 9 General If any provision of this Agreement is held to be invalid or unenforceable by a court of competent jurisdiction the remainder of the provisions of this Agreement shall remain in full force and effect This Agreement will be governed by the laws of the state of California Should you have any questions concerning this Agreement contact Bay Networks 4401 Great America Parkway P O Box 58185 Santa Clara California 95054 8185 LICENSEE ACKNOWLEDGES THAT LICENSEE HAS READ THIS AGREEMENT UNDERSTANDS IT AND AGREES TO BE BOUND BY ITS TERMS AND CONDITIONS LICENSEE FURTHER AGREES THAT THIS AGREEMENT IS THE ENTIRE AND EXCLUSIVE AGREEMENT BETWEEN BAY NETWORKS AND LICENSEE WHICH SUPERSEDES ALL PRIOR ORAL AND WRITTEN AGREEMENTS AND COMMUNICATIONS BETWEEN THE PARTIES PERTAINING TO THE SUBJECT MATTER OF THIS AGREEMENT NO DIFFERENT OR ADDITIONAL TERMS WILL BE ENFORCEABLE AGAINST BAY NETWORKS UNLESS BAY NETWORKS GIVES ITS EXPRESS WRITTEN CONSENT INCLUDING AN
71. ariable Name Set Get Response Status Description ifIndex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization docsIfDownChannelld Number The CMTS identification of the downstream channel within this particular MAC interface If the interface is down the object returns the most current value If the downstream chan nel ID is unknown this object returns a value of 0 docsIfDownChannelFrequency Number Hertz The center of the downstream frequency associated with this channel This object will return the current tuner frequency If a CMTS provides IF output this object will return 0 unless this CMTS is in control of the final downstream RF frequency 4 40 302693 B Rev 00 Troubleshooting Width Variable Name Set Get Response Status Description Modulation Variable Name Set Get Response Status Description docsIfDownChannel Width Number Hertz The bandwidth of this downstream channel Most implementations are expected to sup port a channel width of 6 MHz North Amer ica and or 8 MHz Europe docsIfDownChannelModulation unknown 1 other 2 qam64 3 qam256 4 The modulation type associated with this downstream channel If the interface is down this object either returns the
72. ate CIR as a percentage of the overall channel bandwidth IcCmtsUpPublicationDelay Number microseconds A sum of architectural constants parameters and network status RTD that governs the difference between the publication time of the MAP and its effectiveness IcCmtsUpNFlowControlledMaps Number The number of Map PDUs that were generated under flow controlled prioritized conditions IcCmtsUpNNonFlowControlledMaps Number The number of Map PDUs that were gener ated under FIFO conditions 302693 B Rev 00 Troubleshooting Iccmtsiflnfo The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the IccmtsifInfo table CurrentTemp Variable Name Set Get Response Status Description HighTempThreshold Variable Name Set Get Response Status Description IcCmtsCurrentTemp Number Current temperature of a CMTS device in degrees Celsius IcCmtsHighTempThreshold Number High temperature threshold limit of a CMTS device in degrees Celsius above which an event occurs to signal that the threshold has been exceeded The device temperature is read once per minute and compared to this threshold value A trap is sent out if the event s priority indicates that a trap is to be sent refer to the docsDevEvControlTable object in DOCS CABLE DEVICE MIB The priority of this event is critical 3 30
73. ategory of MIB variable groups These groups reside under additional MIB group sub headings DocsBpiCmBaseEntry This group describes the basic and authorization related Baseline Privacy attributes of each CM MAC interface The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the DocsBpiCmBaseEntry table iflndex Variable Name ifindex Set Get Response Status Number Description A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization 302693 B Rev 00 4 109 CMTS 1000 Installation Manual V1 2 PrivacyEnable PublicKey AuthState Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsBpiCmPrivacyEnable Truth Value This identifies whether this CM is provi sioned to run Baseline Privacy This is analo gous to the presence or absence of the Baseline Privacy Configuration Setting option as described in BPI Appendix A 1 1 The status of each individual SID with respect to Baseline Privacy is captured in the docsBpiCmTEKPrivacyEnable object Note This object will be read write accessi ble only after the
74. ation of the Software to facilitate interoperability Licensee agrees to notify Bay Networks of any such intended examination of the Software and may procure support and assistance from Bay Networks 7 Term and termination This license is effective until terminated however all of the restrictions with respect to Bay Networks copyright in the Software and user manuals will cease being effective at the date of expiration of the Bay Networks copyright those restrictions relating to use and disclosure of Bay Networks confidential information shall continue in effect Licensee may terminate this license at any time The license will automatically terminate if Licensee fails to comply with any of the terms and conditions of the license Upon termination for any reason Licensee will immediately destroy or return to Bay Networks the Software user manuals and all copies Bay Networks is not liable to Licensee for damages in any form solely by reason of the termination of this license 8 Export and Re export Licensee agrees not to export directly or indirectly the Software or related technical data or information without first obtaining any required export licenses or other governmental approvals Without limiting the foregoing Licensee on behalf of itself and its subsidiaries and affiliates agrees that it will not without first obtaining all export licenses and approvals required by the U S Government i export re export transfer or divert
75. be blocked or cov ered The CMTS 1000 should never be placed near a radiator or heat register Caution ensure reliable operation of the CMTS 1000 and to protect it Power Cord Connection Warning The CMTS 1000 is designed to work with single phase power systems having a grounded neutral conductor To reduce the risk of electri A N cal shock do not plug the CMTS 1000 into any other type of power sys tem Contact your facilities manager or certified electrician if you are not sure what type of power is supplied to your location 1 14 302693 B Rev 00 General Description Pre Installation This section will include tools required for installation an installation checklist and a description of a recommended installation location Hardware and Software Components A 64 bit processor is used to provide optimal packet forwarding perfor mance Software executes primarily from DRAM Most time critical soft ware will be cached by the processor at any given time To enhance the speed of packet forwarding data packets and their descriptors will reside in SRAM DRAM may be double banked providing single cycle access within a burst if performance demands it Memory throughput characteristics are Memory bus speed of 33 40 44 or 50 MHz 20 30 nsec depending on performance needed and interaction with memory components and processor clock multiplier e Burst mode cycles 7 2 2 2 for cache line refill of 32 bytes
76. bits Ingress Avoidance Bay Networks CMTS 1000 features an Ingress Avoidance capability that manages the operation of each upstream channel in the presence of noise and sets operating characteristics to predetermined signal to noise and packet error rates With Ingress Avoidance the CMTS 1000 optimizes operation by dynamically changing channel width modulation channel frequency and forward error correction robustness based on operational requirements established by the cable operator This allows cable operators to customize their operations based on their particular cable plant charac teristics and avoid problems caused by channels experiencing high sig nal to noise conditions maximizing reliability and uptime Secure Communications Bay Networks CMTS 1000 is fully compliant with the DOCSIS Baseline Privacy Specification It delivers features that increase cable plant security and enables true end to end secure communications for business applica tions 302693 B Rev 00 1 7 CMTS 1000 Installation Manual V1 2 The CMTS 1000 is a full spanning tree bridging device that forwards only to known destination addresses Information on the cable channel is iso lated from the 10 100 Ethernet channel of the CMTS 1000 unless destined for a device on that port This forwarding method prevents unauthorized access to information and content assuring subscribers and operators secu rity and privacy in their communications Cable Plant
77. cription ScramblerSeed Variable Name Set Get Response Status Description docsIfCmtsModFECErrorCorrection Number The number of correctable errored bytes t used in forward error correction code The value of 0 indicates no correction is employed The number of check bytes appended will be twice this value docsIfCmtsModFECCodewordLength Number The number of data bytes k in the forward error correction codeword This object is not used if docsIfCmtsModFECErrorCorrection is Zero docsIfCmtsModScramblerSeed Number The 15 bit seed value for the scrambler poly nomial 4 78 302693 B Rev 00 Troubleshooting MaxBurstSize Variable Name Set Get Response Status Description GuardTimeSize Variable Name Set Get Response Status Description LastCodewordShortened Variable Name Set Get Response Status Description docsIfCmtsModMaxBurstSize Number The maximum number of mini slots that can be transmitted during this channel s burst time Returns zero if the burst length is bounded by the allocation MAP rather than this profile Default value is 0 except for shortData where it 1s 8 docsIfCmtsModGuardTimeSize Number The number of symbol times which must fol low the end of this channel s burst Default value is the minimum time needed by the implementation for this modulation profile docsIfCmtsModLastCodewordShortened Truth Value Indicates if the last FEC co
78. d Operations Manual for a detailed description of the UCD After a CM 100 learns how to receive Scanning and acquires a down stream channel it can then learn how to transmit Ranging The cable modem after learning how to receive and transmit listens for UCDs and MAPs You set the input power level to where you want the CMTS 1000 to receive based on the transmission rates at which you want the CM 100 cable modems to transmit The CMTS 1000 transmits Upstream Channel Descriptors periodically informing all CM 100s in its operating frequencies of all the upstream channel characteristics including transmit power Table 2 1 shows the CMTS 1000 input power level ranges for each of the five symbol rates and both modulation modes Table 2 1 CMTS 1000 Upstream Demodulator Input Power Characteristics i Symbol Rate Channel Width Power Range Kbits sec Kbits sec dBmV 16 to 14 Perform the following procedure to set the CMTS 1000 input power level Setting the CMTS 1000 input power level is accomplished via an SNMP MIB variable or the Command Line Interface Both procedures are not available as of this printing 302693 B Rev 00 2 7 CMTS 1000 Installation Manual V1 2 Setting the Return Channel Attenuation The designed output level of the last active device of the network must be known If fiber connects the last amplifier you have to know the designed output level of the Fiber Receiver node at the headend
79. date Network iof Figure 3 17 Update Network The following fields appear on this screen Key Selects the authorization key from the pulldown menu This menu displays a list of the names of all authorization keys in alphabetical order This authorization key is used to authenticate the configuration files Additional Keys can be created using the LCn Control Panel Admin Tab Keys Option button Update Creates the configuration files If a network and key are not selected an error message is displayed Cancel This returns the user to the previous screen 302693 B Rev 00 3 43 CMTS 1000 Installation Manual V1 2 3 44 302693 B Rev 00 Chapter 4 Troubleshooting Introduction This chapter describes connecting to the CMTS 1000 s console port inter face used for remote management and troubleshooting Also included are descriptions of CMTS 1000 system Command Line Interface CLI CMTS 1000 System Front Panel including the System Display CMTS 1000 system SNMP enterprise specific MIB Management Infor mation Base variables In addition this chapter includes the latest workaround information for known problems 302693 B Rev 00 4 1 CMTS 1000 Installation Manual V1 2 CMTS 1000 System Console Port Operation The CMTS 1000 may be controlled via its RS 232 Remote Interface con nector The connector is located on the CMTS rear panel adjacent to the 10Base T Ethernet ports and is
80. deword is trun cated 302693 B Rev 00 4 79 CMTS 1000 Installation Manual V1 2 Scrambler Variable Name docsIfCmtsModScrambler Set Get Response Status TruthValue Description Indicates if the scrambler is employed IfCmtsObjectsInfo The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfCmtsObjectsInfo table docslfCmtsQosProfilePermissions Variable Name docsIfCmtsQosProfilePermissions Set Get Response Status Number createByManagement 0 update ByManagement 1 createByModems 2 Description This object specifies permitted methods of creating entries in docsIfQosProfileTable createByManagement 0 15 set if entries can be created using SNMP updateByManage ment 1 is set if updating entries using SNMP is permitted createByModems 2 is set if entries can be created based on information in REG REQ MAC messages received from cable modems Information in this object is only applicable if docsIfQosProfileTable is implemented as read create Otherwise this object is implemented as read only and returns createByModems 2 Either createBy Management 0 or createByModems 1 must be set when writing to this object 4 80 302693 B Rev 00 Troubleshooting lancityMcnsMib lancityMcnsMib is the menu heading for a category of MIB variable groups These groups reside under additional MIB
81. dex Variable Name Set Get Response Status Description Control Variable Name Set Get Response Status Description MacAddress Variable Name Set Get Response Status Description IcModem VendorIndex Number An arbitrary index defining an instance of this entry Ordering is not meaningful IcModemVendorControl RowStatus active notInService notReady createAndGo createAndWait destroy This object controls the creation and deletion of rows in this table IcModemVendorMacA ddress MacAddress When masked identifies a group of modems that are allowed to register at this CMTS Note that the LSB of the first octet is the mul ticast bit since it cannot identify a modem it 15 defined to be zero 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 Mask Variable Name Set Get Response Status Description IccmtsDPStatistics IcModemVendorMask MacAddress Applied to the MAC address to identify which modems are allowed to register at this CMTS Ordinarily the OUI portion is used to identify particular vendors but arbitrary masks can be used The LSB of the first octet is the multicast bit and is defined to be zero IccmtsDPStatistics is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings IccmtsDPStatisticsInfo The following paragraph includes the SNMP Syntax Set Get Response and or Status and a general description of the sta
82. dress of the cable modem The information is available from the cable modem label Serial Number IP Address Subnet Mask Gateway If you need to enter a cable modem serial number directly it is available from the cable modem label Type it into the field or read it from the bar code label on the cable modem with an appropriate bar code reader The IP address is used in the management of the cable modem It does not need to be a globally routable IP address Normally it will be assigned by the network operations group The address will be transferred to the DHCP server The LCn run time component uses the IP address when the network configuration files are updated The IP address is transferred to the modem when it boots This field allows you to enter the IP address mask to this cable modem that will be used by all CMs in this network The value for the mask should be provided by the network operations department The entry in this field is the default gateway IP address It is to be used by all CMs in this network to access all networks other than the local one The value should be provided by the network operations department 3 28 302693 B Rev 00 Startup Operation Procedures Log Server The entry in this field is the IP address of the log server It is used by all CMs in this network If the parameters read from the LCn during boot up are not acceptable due to an invalid message digest the LCn sends an SNMP trap t
83. e Specific MIB Type MIB Prefix RFC 1213 MIB II sys if ip icmp tcp udp snmp RFC 1215 Trap various RFC 1493 Bridge dotid RFC 1573 SNMPv2 if RFC 1643 Ethernet Like Interfaces dot3 Internet Engineering Task Force IETF Cable Device docsdev Internet Engineering Task Force IETF Radio Frequency Interface docsif Internet Engineering Task Force IETF Baseline Privacy docsbpi Bay Networks Enterprise Specific CMTS Iccmts Bay Networks Enterprise Specific CM The following paragraphs provide a brief overview of SNMP 302693 B Rev 00 Troubleshooting Simple Network Management Protocol SNMP Overview The Simple Network Management Protocol is a member of the TCP IP protocol suite The CMTS 1000 uses the User Datagram Protocol UDP to exchange messages between a station manager such as SNMPc or Optivity SNMP Manager and its onboard SNMP agent SNMP encompasses three main areas A small set of management operations Definitions of manageable variables Data representations The operations allowed are Get GetNext and Set These functions operate on variables that exist in the CMTS 1000 Examples of variables include static counters Achieved Pacer Counter Icachievedpacer and CMTS 1000 port status IfEntry OperStatus of the SNMP management functions are carried out through these sim ple operations No action operations are available but these can be simu lated by
84. e status entry for each MIB variable in the docsIfCmtsMacEntry table This describes the attributes of each CMTS MAC interface extending the information available from ifEntry It is mandatory for all CMTS devices An entry containing objects describing attributes of each MAC entry which extends the information in ifEntry An entry in this table exists for each ifEntry with an of docsCableMaclayer 127 iflndex Variable Name Set Get Response Status Description Capabilities Variable Name Set Get Response Status Description ifIndex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization docsIfCmtsCapabilities Bits Hex atmCells 0 concatenation 1 Identifies the capabilities of the CMTS MAC implementation at this interface Note that packet transmission is always supported Therefore there is no specific bit required to explicitly indicate this capability 302693 B Rev 00 4 63 CMTS 1000 Installation Manual V1 2 SyncInterval Variable Name Set Get Response Status Description Ucdinterval Variable Name Set Get Response Status Description MaxServicelds Variable Name Set Get Response Status Description docsIfCmtsS yncInterval Number Milliseconds The inte
85. e value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization docsBpiCmtsAuthCmMacAddress MacAddress The physical address of the CM to which the authorization association applies docsBpiCmtsAuthCmPublicKey Hex Public key of the CM encoded as an ASN 1 SubjectPublicKeyInfo object as defined in the RSA Encryption Standard PKCS 1 12 This is a zero length string if the CMTS does not retain the public key 302693 B Rev 00 4 127 CMTS 1000 Installation Manual V1 2 KeySequenceNumber Variable Name Set Get Response Status Description Expires Variable Name Set Get Response Status Description Lifetime Variable Name Set Get Response Status Description docsBpiCmtsAuthCmKeySequenceNumber Number The authorization key sequence number for this CM docsBpiCmtsAuthCmExpires DateAndTime Actual clock time when the current authoriza tion for this CM expires If this CM does not have an active authorization then the value is of the expiration date and time of the last active authorization docsBpiCmtsAuthCmLifetim Number Seconds Lifetime in seconds the CMTS assigns to an authorization key for this CM 4 128 302693 B Rev 00 Troubleshooting GraceTime Variable Name Set Get Response Status
86. ect must be created using the LCn Control Panel Admin Tab MIB Objects option before you can add a MIB Object to a network This option allows you to add IP addresses of Network Management sta tions with specific access levels to all CMs on this network An NMAccess entry must be created using the LCn Control Panel MIB Objects Tab NMAccess option before you can add an authorized Network Management station to a network This option allows you to add an Event Control entry to all CMs on this network An Event Control must be created using the LCn Control Panel MIB Objects Tab Event Control option before you can add an EVControl to a network 302693 B Rev 00 3 31 CMTS 1000 Installation Manual V1 2 Done Cancel This option button returns you to the previous screen This option button allows you to cancel any changes that you made to the Enter Cable Modem Data screen LCn returns you to the Modem select screen Apply Network Defaults When you click on the Apply Network Defaults option button LCn applies the common parameters it uses for all cable modems on this network to this Enter Cable Modem Data screen LCn provides an opportunity for you to accept or decline the changes Class of Service Every cable modem must be assigned a Class of Service This option can be entered as a Network Default or a Class of Service can be assigned to each modem individually by clicking on the Class of Service option button LCn displays a
87. ectively enabled for any SID unless Baseline Privacy is enabled for the CM which is managed via the docsBpiC mPrivacyEnable object docsBpiCmTEKState Number start 1 opWait 2 opReauth Wait 3 operational 4 rekey Wait 5 rekey ReauthWait 6 The state of the indicated TEK FSM The start 1 state indicates that FSM 18 in its initial state 302693 B Rev 00 4 119 CMTS 1000 Installation Manual V1 2 BpiCmTEKExpiresOld Variable Name Set Get Response Status Description BpiCmTEKExpiresNew Variable Name Set Get Response Status Description BpiCmTEKKeyRequests Variable Name Set Get Response Status Description docsBpiCmTEKExpiresOld DateAndTime Actual clock time for expiration of the oldest active key for this FSM If this FSM has no active keys then the value is of the expiration date and time of the last active key docsBpiCmTEKExpiresNew DateAndTime Actual clock time for expiration of the newest active key for this FSM If this FSM has no active keys then the value is of the expiration date and time of the last active key docsBpiCmTEKKeyRequests Number The count of times the CM has transmitted a Key Request message 4 120 302693 B Rev 00 Troubleshooting BpiCmTEKKeyReplies Variable Name Set Get Response Status Description BpiCmTEKKeyRejects Variable Name Set Get Response Status Description BpiCmTEKInvalids Variable N
88. em CMTS Model 1000 DC power DE3801E02 Bay Networks Cable Modem Termination System CMTS Model 1000 AC power Safety Precautions This section provides safety precautions to follow when installing the Bay Networks CMTS 1000 For your protection observe the following safety precautions when setting up your equipment Follow all warnings and instructions marked on the equipment Ensure that the voltage and frequency of your power source matches the voltage and frequency inscribed on the equipment s electrical rating label Never push objects of any kind through openings in the equipment Dan gerous voltages may be present Conductive foreign objects could pro duce a short circuit that could cause fire electric shock or damage to your equipment 302693 B Rev 00 1 13 CMTS 1000 Installation Manual V1 2 Symbols The following international symbols appear in this book when you must perform procedures requiring proximity to electric current AN Caution You risk damaging your equipment if you do not heed the instructions Warning Hazardous voltages are present To lessen the risk of electrical shock and danger to personal health follow the instructions carefully Modifications to Equipment Do not make mechanical or electrical modifications to the equipment The CMTS 1000 may not meet regulatory compliance if modified Placement of the CMTS 1000 from overheating openings in the equipment must not
89. ements b that the Software will operate in the hardware or software combinations that the Licensee may select c that the operation of the Software will be uninterrupted or error free or d that all defects in the operation of the Software will be corrected Bay Networks is not obligated to remedy any Software defect that cannot be reproduced with the latest Software release These warranties do not apply to the Software if it has been 1 altered except by Bay Networks or in accordance with its instructions ii used in conjunction with another vendor s product resulting in the defect or iii damaged by improper environment abuse misuse accident or negligence THE FOREGOING WARRANTIES AND LIMITATIONS ARE EXCLUSIVE REMEDIES AND ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Licensee is responsible for the security of its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files data or programs 4 Limitation of liability IN NO EVENT WILL BAY NETWORKS OR ITS LICENSORS BE LIABLE FOR ANY COST OF SUBSTITUTE PROCUREMENT SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES RESULTING FROM INACCURATE OR LOST DATA OR LOSS OF USE OR PROFITS ARISING OUT OF OR IN CONNECTION WITH THE PERFORMANCE OF THE SOFTWARE EVEN IF BAY NETWORKS HAS BEEN ADVISED OF THE POSSIBI
90. entry in the IcTrapTypeTable IcTrapTypeStatus Number sendTrap 1 this type of trap should be sent 2 this type of trap should NOT be sent This variable controls whether this type of trap is generated by this device 302693 B Rev 00 4 101 CMTS 1000 Installation Manual V1 2 IcMulticastGroup IcMulticastGroup is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings IcMulticastGrouplInfo The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the lcMulticastGrouplInfo table Control Variable Name IcMcastControl Set Get Response Status Number pass 1 discard 2 igmp 3 trap 4 Description Action to take on receiving an IP multicast packet bound for the subscriber network If pass 1 the CM acts as a bridge transpar ently forwarding all multicast packets If fil ter 2 all IP multicast packets are discarded If igmp 3 then the CM acts as an IGMP proxy and only forwards packets whose addresses were requested by the subscriber If trap 4 then the CM transmits IGMP queries on the subscriber side On receiving Reports it transmits an SNMP trap Multicast packets are forwarded and presumably blocked by SNMP managed filters 4 102 302693 B Rev 00 Troubleshooting TrapAddress Variable Name Set Get Response Status
91. entry in this field is the default gateway IP address It is to be used by all CMs in this network to access all networks other than the local one The value should be provided by the network operation s department Log Server The entry in this field is the IP address of the log server It is used by all CMs in this network If the parameters read from the LCn during boot up are not acceptable due to an invalid message digest the LCn sends an SNMP trap to the log server The value should be provided by the network operations department Time Server The entry in this field is the IP address of the Time Server It is used by all CMs in this network Upgrade Server The entry in this field is the IP address of the Upgrade Server It is used by all CMs in this network Upgrade File Name This entry is the TFTP file name of the CM operating software that you wish to have the CM load during an automatic software upgrade DHCP Lease Time The length of time for which the assigned IP address is valid The lease will be automatically renewed 302693 B Rev 00 3 21 CMTS 1000 Installation Manual V1 2 Allow Network Access Checking the Network Access Allowed box allows the CM to access to the network after it has received suitable parameters The LCn provides these parameters at boot up providing no errors occur during this process If the box is not checked the modem will not function even if it receives valid parameters from
92. esponse Status Description TEKLifetime Variable Name Set Get Response Status Description AuthGraceTime Variable Name Set Get Response Status Description docsBpiCmtsDefaultAuthLifetime Number Seconds Default lifetime in seconds the CMTS assigns to a new authorization key docsBpiCmtsDefaultTEKLifetime Number Seconds Default lifetime in seconds the CMTS assigns to a new Traffic Encryption Key docsBpiCmtsDefaultAuthGraceTime Number Seconds Default grace time in seconds the CMTS uses for an authorization key This controls how far in advance of authorization key expi ration that the CMTS is expected to produce the next generation of keying material This value is expected to agree with the Authoriza tion Grace Time that the provisioning system provides to CMs 4 124 302693 B Rev 00 Troubleshooting TEKGraceTime Variable Name Set Get Response Status Description Requests Variable Name Set Get Response Status Description Replies Variable Name Set Get Response Status Description docsBpiCmtsDefaultTEK GraceTime Number Seconds Default grace time in seconds the CMTS uses for a Traffic Encryption Key TEK This controls how far in advance of TEK expiration that the CMTS is expected to produce the next generation of keying material This value is expected to agree with the TEK Grace Time that the provisioning system provides to CM
93. ess of the CMTS provides a writ able equivalent of ipAdEntAddr If set to null 0 0 0 0 the address must be provided through DHCP IcConfiglIpSubnet IP Address The subnet mask corresponding to IcConfig IpAddress provides a writable equivalent of ipAdEntNetMask 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 ConfigTftpAddress Variable Name Set Get Response Status Description ConfigTftpFilename Variable Name Set Get Response Status Description LcSerialPortEntry IcConfigTftpAddress IP Address The IP address of the TFTP server supplying provisioning configuration data IcConfigTftpFilename DisplayString The default filename on the TFTP server for acquiring provisioning configuration data may be overridden by The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the LcSerialPortEntry table Number Variable Name Set Get Response Status Description IcSerialPortNumber Number Index for this table 4 88 302693 B Rev 00 Troubleshooting BaudRate Variable Name Set Get Response Status Description DataBits Variable Name Set Get Response Status Description Parity Variable Name Set Get Response Status Description IcSerialPortBaudRate Number baudrate1200b 1200 baudrate2400b 2400 baudrate4800b 4800 baudrate720
94. from DRAM 7 1 1 1 if dual banked e 3 cycle access to SRAM Software and configuration parameters are stored in flash memory Flash memory is used to store Two images of software only the latest being accessible All configuration parameters in a journaled format A bootstrap diagnostic image Alog of historical events which may be useful in network troubleshooting A dual ported UART is provided although only one of the UART ports is used in normal operation 302693 B Rev 00 1 15 CMTS 1000 Installation Manual V1 2 1 16 302693 B Rev 00 Chapter 2 Hardware Installation Introduction This chapter describes Unpacking the unit Identifying the contents Verifying the packing slip Finding a location for the unit Physically performing any installation necessary rack mounting 302693 B Rev 00 2 1 CMTS 1000 Installation Manual V1 2 Unpacking the CMTS 1000 Shipping Carton To unpack the unit Inspect the shipping carton before removing the unit If there is evidence of damage to the carton arrange for an agent of the carrier to be present when you remove the CMTS 1000 Remove the unit and the remaining contents of the shipping carton The CMTS 1000 is packed tightly in protective foam molds Carefully remove it from the carton After unpacking the unit save the box and packaging materials You can use them in case you ever have to send the unit back Shipping Con
95. ge that is to be matched docsDevFilterIpDestPortHigh Number If docsDevFilterIpProtocol is udp or tcp this is the inclusive upper boundary of the trans port layer destination port range that is to be matched 4 38 302693 B Rev 00 Troubleshooting Matches Variable Name docsDevFilterIpMatches Set Get Response Status Number Description Counts the number of times this filter was matched DocsIF DocsIF is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings of which reside under the MIB variable table name DocsIFMIBObjects DocslfBase DocslIfBase is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings IfDownstreamChannelEntry The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfDownstreamChannelEntry table The following table is implemented on both the Cable Modem and the Cable Modem Termination System This table provides a list of attributes for a single Downstream channel An entry in this table exists for each ifEntry with an if Type of docsCable Downstream 128 302693 B Rev 00 4 39 CMTS 1000 Installation Manual V1 2 iflndex Variable Name Set Get Response Status Description Id Variable Name Set Get Response Status Description Frequency V
96. group sub headings AII of which reside under the MIB variable table name lancityMcnsMib Iccmtsif Iccmtsif is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings LcCmtsUpstreamEntry This MIB tale defines properties of upstream channels from the CMTS The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfCmtsObjectsInfo table iflndex Variable Name ifIndex Set Get Response Status Number Description A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization 302693 B Rev 00 4 81 CMTS 1000 Installation Manual V1 2 MinimumMapSize Variable Name Set Get Response Status Description MaximumMapSize Variable Name Set Get Response Status Description ContentionPerMap Variable Name Set Get Response Status Description RequestDataAllowed Variable Name Set Get Response Status Description IcCmtsUpMinimumMapsSize Number Minimum number of slots to be mapped in each Map PDU IcCmtsUpMaximumMapsSize Number Maximum number of slots to be mapped in each Map PDU IcCmtsUpContentionPerMap Number The number of mini slots a
97. hey have agreed to use the Software only in accordance with the terms of this license 3 Limited warranty Bay Networks warrants each item of Software as delivered by Bay Networks and properly installed and operated on Bay Networks hardware or other equipment it is originally licensed for to function substantially as described in its accompanying user manual during its warranty period which begins on the date Software is first shipped to Licensee If any item of Software fails to so function during its warranty period as the sole remedy Bay Networks will at its discretion provide a suitable fix patch or workaround for the problem that may be included in a future Software release Bay Networks further warrants to Licensee that the media on which the Software is provided will be free from defects in materials and workmanship under normal use for a period of 90 days from the date Software is first shipped to Licensee Bay Networks will replace defective media at no charge if it is returned to Bay Networks during the warranty period along with proof of the date of shipment This warranty does not apply if the media has been damaged as a result of accident misuse or abuse The Licensee assumes all responsibility for selection of the Software to achieve Licensee s intended results and for the installation use and results obtained from the Software Bay Networks does not warrant a that the functions contained in the software will meet the Licensee s requir
98. his filter applies The value corresponds to ifIndex for either a CATV MAC or another network interface If the value is zero the filter applies to all interfaces Default value in Cable Modems is the customer side interface In Cable Modem Termination Systems this object has to be specified to create a row in this table docsDevFilterIpDirection inbound 1 outbound 2 both 3 Determines whether the filter is applied to inbound 1 traffic outbound 2 traffic or traffic in both 3 directions 302693 B Rev 00 4 35 CMTS 1000 Installation Manual V1 2 Broadcast Saddr Smask DAddr Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsDevFilterIpBroadcast Truth Value If set to true 1 the filter only applies to mul ticast and broadcast traffic If set to false 2 the filter applies to all traffic docsDevFilterIpSaddr IP Address The source IP address or portion thereof that 15 to be matched for this filter docsDevFilterIpSmask IP Address A bit mask that is to be applied to the source address prior to matching This mask is not necessarily the same as a subnet mask but 1 s bits must be leftmost and contiguous docsDevFilterIpDaddr IP Address The destination IP address or portion thereof that is t
99. his free format field allows you to enter the state of the subscriber Zip This field allows you to enter the postal code of the subscriber It is format ted for a 9 digit Zip code Home Phone This field allows you to enter the home phone number of the subscriber Work Phone This field allows you to enter the work phone number of the subscriber Done This option button returns you to the previous screen Cancel This option button allows you to cancel any changes that you made to the Subscriber Information screen and LCn returns you to the Modem screen CPE The CPE Customer Premise Equipment option button allows you to enter the MAC addresses of the clients attached to the cable modem using the Cust Premise Equip MAC Addresses screen shown in Figure 3 15 The clients MAC Addresses will be displayed in the SNMP Forwarding Database Table with a status of mgmt management 302693 B Rev 00 3 35 CMTS 1000 Installation Manual V1 2 amp Cust Premise Equip MAC Addresses Figure 3 15 Cust Premise Equip MAC Addresses The following fields appear on this screen CPE MAC Address List This entry field allows you to enter CPE MAC addresses up to the maxi mum number of characters allowed Done This option button returns you to the previous screen Delete Highlighting an entered address in a field will delete it 3 36 302693 B Rev 00 Startup Operation Procedures Max Nbr Cpe This entry is the total number
100. his object either returns the config ured value CMTS the most current value CM or the value of 0 The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfUpstreamChannelEntry table The following table is implemented on both the Cable Modem and the Cable Modem Termination System This table provides a list of attributes for a single upstream channel An entry in this table exists for each ifEntry with an if Type of docsCableUp stream 129 iflndex Variable Name Set Get Response Status Description ifIndex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the entity s network management system to the next reinitialization 302693 B Rev 00 4 43 CMTS 1000 Installation Manual V1 2 Id Variable Name Set Get Response Status Description docsIfUpChannelld Number The CMTS identification of the upstream channel Frequency Variable Name docsIfUpChannelFrequency Set Get Response Status Number Hertz Description The center of the frequency band associated with this upstream channel This object returns 0 if the frequency is undefined unknown Minimum permitted upstream fre quency is 5 000 000 Hz Width Variable Name docsIfUpChannel Wid
101. holes in the front mounting rail Secure with the four screws and washers that are provided 302693 B Rev 00 2 5 CMTS 1000 Installation Manual V1 2 Rack Mount Bracket 2 8 32 x 1 4 _ PFLH Y p 4 plcs d 794 10 32 3 4 ae WFR Head lt 4 plcs aee N CMTS 1000 Figure 2 2 CMTS 1000 Rack Mounting Connecting the CATV and Ethernet Network Connections Connecting to the CATV Network Before you connect the CMTS 1000 to your cable system you should per form or understand the following procedures Set the CMTS 1000 input power level Set the return channel attenuation Set the return channel attenuation when multiple returns are combined Set the forward channel output level Setting the CMTS 1000 Input Power Level The CMTS 1000 provides the CM 100 and other Data Over Cable Service Interface Specification DOCSIS compliant cable modems with all the information they need to become operational One piece of information the CMTS 1000 provides cable modems is the Upstream Channel Descriptor UCD A UCD contains information that describes the general characteristics of the upstream return channel such 2 6 302693 B Rev 00 Hardware Installation as the center frequency of the channel and the channel s bandwidth The UCD provides other information to the cable modems such as burst type and burst descriptor Refer to the Cable Modem Termination System 1000 Administration an
102. iable Name Set Get Response Status Description TxBackoffStart Variable Name Set Get Response Status Description docsIfUpChannelRangingBackoffStart Number 0 16 The initial random backoff window to use when retrying Ranging Requests Expressed as a power of 2 A value of 16 at the CMTS indicates that a proprietary adaptive retry mechanism is to be used docsIfUpChannelRangingBackoffEnd Number 0 16 The final random backoff window to use when retrying Ranging Requests Expressed as a power of 2 A value of 16 at the CMTS indicates that a proprietary adaptive retry mechanism is to be used docsIfUpChannelTxBackoffStart Number 0 16 The initial random backoff window to use when retrying transmissions Expressed as a power of 2 A value of 16 at the CMTS indi cates that a proprietary adaptive retry mecha nism is to be used 4 46 302693 B Rev 00 Troubleshooting TxBackoffEnd Variable Name Set Get Response Status Description IfQosProfileEntry docsIfUpChannelTxBackoffEnd Number 0 16 The final random backoff window to use when retrying transmissions Expressed as a power of 2 A value of 16 at the CMTS indi cates that a proprietary adaptive retry mecha nism is to be used The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfQosProfileEntry table The table describes
103. iable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsIfCmtsServiceQosProfile Number The index in docsIfQosProfileTable describ ing the quality of service attributes associated with this particular service docsIfCmtsServiceCreateTime Number TimeTicks The value of sysUpTime when this entry was created docsIfCmtsServiceInOctets Number The cumulative number of Packet Data octets received on this Service ID The count does not include the size of the Cable MAC header docsIfCmtsServiceInPackets Number The cumulative number of Packet Data packets received on this Service ID 302693 B Rev 00 4 75 CMTS 1000 Installation Manual V1 2 IfCmtsModulationEntry The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfCmtsModulationEntry table The following table provides upstream channel modulation profiles Entries in this table can be reused by one or more upstream channels An upstream channel will have a modulation profile for each value of docsIf ModIntervalUsageCode Index Variable Name docsIfCmtsModIndex Set Get Response Status Number Description An index into the Channel Modulation table representing a group of Interval Usage Codes all associated with the same channel IntervalUsageCode Variable Name docsIfCmtsModIntervalUs
104. iiis Meet m 1 15 Hardware and Softwares p red REGARDER ado d ru 1 15 Chapter 2 Hardware Installation g Ea R PA A 2 1 Unpacking the CMTS 1000 Shipping Carton 2 2 anp Conana MS RI ID EE EL DS rr ry tree 2 2 ES nma We CN TS TOON UD ER RARO a UCM IB 2 2 SOT an Uv AMMO I MERIT E E OT 2 3 PIQUED a ra pos reper ct Li pO EK RED HA PO UT Rn a C RON un nr lan deo an Ra D RD etu AREE 2 3 Iz ru FILII e UR net 2 3 wise d 2 4 Go E DOS TETUR 2 5 E e NS EE A 2 5 Connecting the CATV and Ethernet Network Connections 2 6 Comecting tothe CATY Network am p ea c uaa dab 2 6 Setting he CMTS 1000 Input Power Level Ene sisse rers 2 6 Setting the Return Channel ss eene aiina 2 8 Setting the Return Channel Attenuation When Combining Multiple Returns 2 10 Set the Forward Channel Output Level pete nba Ecce ptc qme 2 11 Connecting to the
105. in this table exists for each Service ID The primary index is an ifIndex with an ifType of docsCableMaclayer 127 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 iflndex Variable Name Set Get Response Status Description Id Variable Name Set Get Response Status Description QosProfile Variable Name Set Get Response Status Description ifIndex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization docsIfCmServiceld Number Identifies a service queue for upstream band width The attributes of this service queue are shared between the CM and the CMTS The CMTS allocates upstream bandwidth to this service queue based on requests from the CM and on the class of service associated with this queue docsIfCmServiceQosProfile Number The index in docsIfQosProfileTable describ ing the quality of service attributes associated with this particular service 4 60 302693 B Rev 00 Troubleshooting TxSlotsImmed Variable Name Set Get Response Status Description TxSlotsDed Variable Name Set Get Response Status Description TxRetries Variable Name Set Get Response Status Description docsIfCmServiceTxSlotsImmed Number The number of upstream mini slots that ha
106. in your PC following the manufacturer s direc tions Run the diagnostics before proceeding to ensure that the card is con figured properly without any conflicts Install Microsoft s TCP IP stack following the manufacturer s directions Notes Install LCn Server following the directions in the LCn readme file Configure the LCn server using the server configuration menu provided refer to appropriate section of this document e Create a TFTP default directory called LCN DATA 302693 B Rev 00 3 3 CMTS 1000 Installation Manual V1 2 Descriptions of the LCn Provisioning Server Functions LCn Login When you start LCn it displays the Login Screen shown in Figure 3 1 User admin Password pe Change Enter Exit Figure 3 1 LCn Login Screen Login to the LCn using the default name and password The default user name and password are as follows User name admin Password admin You can change the password later Only one user at a time can be logged in to the LCn The Login screen option buttons include Enter Checks for a valid ID and password and displays LCn Con trol Panel Exit Exits the LCn application Change Password Checks for a valid ID and password and dis plays the change password screen 3 4 302693 B Rev 00 Startup Operation Procedures LCn Control Panel After you log in to the system LCn displays the DOCSIS LCn Provision ing Server
107. ing them Step Variable Name IcScanStep Set Get Response Status Number Kilohertz Description The absolute value of the increment or dec rement to use in stepping through this range ChannelWidth Variable Name IcScanChannel Width Set Get Response Status Number Kilohertz Description The channel width to use for this range Only 6000 and 8000 are allowed Display IccmAddressInfo Table The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the Display lccmAddressInfo table 302693 B Rev 00 4 97 CMTS 1000 Installation Manual V1 2 Address Subnet Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Icdevicecommon IccmIpAddress IP Address The IP address of the CM provides a writable equivalent of ipAdEntAddr If set to null 0 0 0 0 the address must be provided through DHCP IccmIpSubnet IP Address The subnet mask corresponding to lcCM IpAddress provides a writable equivalent of ipAdEntNetMask Icdevicecommon is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings Ictrapvarsinfo A group that defines variables returned in traps that aren t already defined in other groups These are Authentication Failure Trap variables an exten tion to the RFC1215 authenticat
108. ion failure trap which don t specify vari ables The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the Ictrapvarsinfo table 4 98 302693 B Rev 00 Troubleshooting ErrorStatus Variable Name IcAuthFailErrorStatus Set Get Response Status Number nmAccessTableRestriction 1 noWriteAccessToMibVar 2 other 3 Description The reason for failure to validate the SNMP request nmAccessTableRestriction 1 indi cates that the requesting network manage ment station NMS does not have appropriate permission to perform the SNMP request Either it does not match an IP address in docsDevNmAccessTable or the community string in the SNMP request did not match the community string in docs DevNmAccessTable for the requesting NMS or the docsDevNmAccessControl value spec ified in the docsDevNmAccessTable for this NMS was not sufficient to allow access for the SNMP request type either get or Or finally the SNMP request from this NMS is not accepted on the interface Ethernet or that the request was received noW riteAccessToMibVar 2 indicates that an SNMP set request was received for a MIB variable whose write access control is set other 3 indicates a nonspecific error 302693 B Rev 00 4 99 CMTS 1000 Installation Manual V1 2 CommunityString Variable Name Set Get Response
109. ipment EN 55 022 Statement This is to certify that Bay Networks CMTS is shielded against the generation of radio interference in accordance with the application of Council Directive 89 336 EEC Article 4a Conformity is declared by the application of EN 55 022 Class A CISPR 22 Voluntary Control Council for Interference Statement CORB HUE Rie VCCI ORE BOSC TDA ARREST CHATS 2 Ee NSHRCTCEMHBVET OSI OI SRR eS HKIBRKENSTEMHVET This is a Class A product based on the standard of the Voluntary Control Council for Interference from Information Technology Equipment VCCI If this is used near a radio or television receiver in a domestic environment it may cause radio interference Install and use the equipment accord ing to the instruction manual R glement sur le brouillage radio lectrique du ministere des Communications Cet appareil num rique CMTS respecte les limites de bruits radio lectriques visant les appareils num riques de Classe A prescrites dans le R glement sur le brouillage radio lectrique du Min ist re des Communications du Canada EC Declaration of Conformity This product conforms to the provisions of Council Directive 89 336 EEC and 73 23 EEC CMTS 1000 Installation Manual V1 2 Revision 00 302693 B March 1999 NORTEL NETWORKS Bay Networks Inc 8 Federal Street Billerica MA 01821 Copyright 1999 Bay Networks All rights reserved Printed i
110. istance If you purchased a Bay Networks service program call one of the follow ing Bay Networks Technical Solutions Centers Telephone Support Center umb Fax number Email Andover MA 800 2LANWAN 978 682 3200 support lancity com 978 916 3700 Attn Support Contracts Valbonne France 33 4 92 96 69 68 33 4 92 96 69 98 baypoint baynetworks com For cable modems and cable modem family products use Express Rout ing Code 174 302693 B Rev 00 xix CMTS 1000 Installation Manual V1 2 Associated Documents Refer to the following documents for further information Refer to the following documents for further information CM 100 Subscriber Handbook V1 2 302694 B directed at the end user this document provides operating and installation instructions for the CM 100 Cable Modem CM 100 Release Notes V1 2 305471 B provides additional information not available a the time of the CM 100 Subscriber Handbook Operating Manual s printing CMTS 1000 Release Notes V1 2 305472 B provides additional information not available a the time of the CMTS 1000 Installation Manual s printing e DOCSIS LCn Provisioning Server Release Notes V1 0 304764 A provides additional information not available at the time of the CMTS 1000 Installation Manual s printing XX 302693 B Rev 00 Chapter 1 General Description Introduction This Chapter provides installation preparation information for Ba
111. l Ranging Request message from the CM and the ranging process is not yet complete rangingAborted 3 The CMTS has sent a Ranging Abort message to the CM rangingComplete 4 The CMTS has sent a Ranging Complete message to the CM ipComplete 5 The CMTS has received a DHCP reply message and forwarded it to the CM registrationComplete 6 The CMTS has sent a Registration Response message to the CM accessDenied 7 The CMTS has sent a Reg istration Aborted message to the CM The CMTS only needs to report states it is able to detect REFERENCE Data Over Cable Radio Frequency Interface Specification Chapter 7 2 4 72 302693 B Rev 00 Troubleshooting IfCmtsServiceEntry The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfCmtsServiceEntry table It describes the attributes of upstream service queues in a Cable Modem Termination System as well as the attributes of a single upstream band width service queue An entry in this table exists for each Service ID The primary index is an ifIndex with an if Type of docsCableMaclayer 127 Entries in this table are created with the creation of individual Service IDs by the MAC layer and removed when a Service ID is removed iflndex Variable Name ifIndex Set Get Response Status Number Description A unique value for each interface Its value ranges between
112. l Panel MIB Objects Tab Filters option before you can add an IP Filter to a net work The entry in this field is the SNMP community to which the CM belongs for SNMP sets The community string entered here must match the one used by the network manager in order for a CM to reply to an SNMP set A manager knowing this string has write access to the CM It is used in all SNMP set requests by a network manager This option allows you to add a MIB object to all CMs on this network A MIB object must be created using the LCn Control Panel Admin Tab MIB objects option before you can add a MIB Object to a network This option allows you to add IP addresses of Network Management sta tions with specific access levels to all CMs on this network An NMAccess entry must be created using the LCn Control Panel MIB Objects Tab NMAccess option before you can add an authorized Network Management station to a network 302693 B Rev 00 3 23 CMTS 1000 Installation Manual V1 2 EVControl Done Cancel This option allows you to add an Event Control entry to all CMs on this network An Event Control must be created using the LCn Control Panel MIB Objects Tab Event Control option before you can add an EVControl to a network This option returns you to the previous screen This option button allows you to cancel any changes that you made to the Enter Cable Modem Data screen LCn returns you to the Modem select screen Apply to Modems When y
113. labeled Console The input data rate is 9600 baud There are no user settings for the CMTS 1000 System Console Port Remote Connector Cabling Figure 4 1 shows the pinouts for a 9 pin to 9 pin cable used to connect the CMTS 1000 Console Port to PC Figure 4 2 shows the pinouts for a 9 pin to 9 pin cable used to connect the CMTS 1000 Console Port to a telephone modem 4 2 302693 B Rev 00 Troubleshooting DCE DCE 2 00 10 UU WN NIA HL Ww NWN DCD Data Carrier Detect RD Receive Data TD Transmit Data DTR Data Terminal Ready SG Signal Ground DSR Data Set Ready RTS Request to Send CTS Clear to Send RI Ring Indicator Figure 4 1 DB9 F F Null Modem Cable Pinout 302693 B Rev 00 4 3 CMTS 1000 Installation Manual V1 2 SANA Und WN Qo 1 0 Ui 4 WN E Figure 4 2 DB9 Serial Modem Cable Pinout Using Terminal Emulation Terminal Configuration Port settings It is possible to communicate with the CMTS 1000 using any standard ter minal program i e the Terminal exe with Win3 1 or Win95 It is also possible to use HyperTerminal with Win95 and Win98 The following con nection settings are required to communicate with the CMTS 1000 e Com Port COM 1 or COM 2 Baud 9600 Data Bits 8 Stop Bits 1 Parity none Flow Control none off 4 4 302693 B Rev 00 Troubleshooting Emulation VT100 Miscellaneo
114. le file is in the TFTP server s public directory Verify that you still have connectivity with the unit and the unit is running well 6 Initiate the upgrade process by setting the AdminStatus MIB to upgradeFromMsgt You can monitor the process if your TFTP server has a display window or returns status information to you The process takes about one minute 5 6 302693 B Rev 00 Modifying and Upgrading the CMTS 1000 Software Upgrade via the LCn Provisioning Server s Automatic Software Upgrade You can setup your cable modem devices to upgrade automatically Per form the following procedure to have your CMTS 1000s upgrade automat ically 1 Open the DOCSIS LCn Provisioning Server Select and edit the Networks module to initiate a global automatic software upgrade Select and edit the Modems module to initiate selective modem auto upgrades Select and edit the CMTS module to initiate selective CMTS auto upgrades 2 Typethe software upgrade filename in the Upgrade File Name win dow of the selected module When performing a global auto upgrade make sure that you press the Apply to Modems button before you leave the edit Network screen 3 Press the Update Network Configuration Files button on the LCn Control Panel 4 Return to Step 2 and verify that the TFTP server is running and set up as discussed The auto upgrade process begins upon a reset of the CMTS 1000 You can monitor the process if your TFIP se
115. le in the docsDevEventControl table Priority Variable Name Set Get Response Status Description Reporting Variable Name Set Get Response Status Description docsDevEvPriority emergency 1 alert 2 critical 3 error 4 warning 5 notice 6 information 7 debug 8 The priority level that is controlled by this entry docsDevEvReporting local 0 traps 1 syslog 2 Defines the action to be taken on occurrence of this event class Implementations may not necessarily support all options for all event classes but at minimum must allow traps and syslogging to be disabled 302693 B Rev 00 4 29 CMTS 1000 Installation Manual V1 2 Event_Log The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsDevEventEntry table Index Variable Name Set Get Response Status Description docsDevEvIndex Number Provides relative ordering of the objects in the event log This object will always increase except when a The log is reset via docsDevEvControl b The device reboots and does not implement nonvolatile storage for this log It reaches value 2431 The next entry for all the above cases is 1 FirstTime Variable Name docsDevEvFirstTime Set Get Response Status DateAndTime Description The time that this entry was created 4 30 302693 B Rev 00 Troublesho
116. lished MIBs Serial Numbers The Serial Numbers option allows you to import serial numbers and MAC addresses from a text file The Serial Numbers option also allows you to edit the Serial Numbers database Modify Server The Modify Server button allows you to edit the LCn Server configuration options Import Database The Import Database button when implemented will allow you to import an LCn database from a previous version format to the latest version LCn This option will also allow a user to convert a current version format to the next version format 3 10 302693 B Rev 00 Startup Operation Procedures Additional LCn Control Panel Options The following buttons are located below the LCn Control Panel tabs Update Network Configuration Files The Update Network Configuration Files option enables you to create the configuration files and tables required by the run time software component of the LCn Done The Done button when pressed takes you back to the login screen 302693 B Rev 00 3 11 CMTS 1000 Installation Manual V1 2 Basic Procedures for Using LCn Provisioning Server Functions The following paragraphs provide basic instruction on how to use the LCn Provisioning Server Administration Before you add your first CM 100 and CMTS 1000 to the LCn Provision ing Server s database you ll need to perform some light LCn set up func tions such as Adding Users Modify Server Configuration
117. llotted to conten tion REQ or REQ DATA per MAP PDU IcCmtsUpRequestDataAllowed Number allowed 1 disallowed 2 adaptive 3 Specifies whether or not the CMTS will allow contention data on this upstream interface 302693 B Rev 00 Troubleshooting MaxDatainContention Variable Name Set Get Response Status Description InitialRangingInterval Variable Name Set Get Response Status Description HighPriority Threshold Variable Name Set Get Response Status Description IcCmtsUpMaxDataInContention Number The number of mini slots that may be used for a single upstream contention transmis sion IcCmtsUplInitialRangingInterval Number microseconds duration in microseconds of the initial ranging interval This interval is used by unranged modems to enter the network and so must be long enough to admit the most distant modem IcCmtsUpHighPriority Threshold Number Weighting of high priority queue vis a vis normal priority queue 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 GuaranteedThreshold Variable Name Set Get Response Status Description PublicationDelay Variable Name Set Get Response Status Description NFlowControlledMaps Variable Name Set Get Response Status Description NNonFlowControlledMaps Variable Name Set Get Response Status Description IcCmtsUpGuaranteedThreshold Number Permitted aggreg
118. llows Early in the process estimate the maximum number of homes that could eventually funnel into a specific CMTS return port Then work toward that goal as economically as possible 302693 B Rev 00 1 3 CMTS 1000 Installation Manual V1 2 About the CMTS 1000 Bay Networks Cable Modem Termination System CMTS 1000 is a scal able cable access solution that allows cable operators to provide their cus tomers with reliable access to high speed communications links over a cable TV network Additionally the CMTS 1000 complies with the Data Over Cable Service Interface Specification DOCSIS standards which defines standards for networking equipment that will be attached to a cable plant 1 the cable modem and the cable modem termination system Featuring a high performance reduced instruction set computer RISC based architecture the CMTS 1000 delivers the data forwarding and filter ing capabilities required by the most demanding applications The CMTS 1000 also features a 10 100 Mbps Ethernet interface It supports a 6 MHz 64 or 256 Quadrature Amplitude Modulation QAM Cable TV CATV downstream channel and a variable rate Quadrature Phase Shift Keying QPSK or 16 QAM upstream channel These features enable a cable oper ator to provide users with a flexible high performance network access solu The CMTS 1000 is also fully compliant with the DOCSIS Baseline Privacy Specifications to ensure cable plant security and
119. m the LCn displays the associated data on the parame ter editing screen If no cable modem is selected a blank screen is dis played This option is used to add a new cable modem to the system You do not have to enter a cable modem name The next screen to be displayed is the cable modem parameter editing screen If no cable modem has been selected a blank screen is displayed This option deletes the selected cable modem If no cable modem is selected an error message is displayed This returns you to the previous screen Enter Cable Modem Data You can add parameters for a new cable modem or edit parameters for an existing cable modem using the Enter Cable Modem Data screen see Fig ure 3 12 For existing cable modems you select a cable modem from the list on the Modems screen and click on Edit All fields are filled in from the appropriate records in the database Changes to these data should be made by network operation s staff who have appropriate networking and product training When you click on Add an intermediate screen appears prior to LCn dis playing the Enter Cable Modem Data screen This screen requests that you enter a name for the new item Enter a name for the cable modem and press OK 3 26 302693 B Rev 00 Startup Operation Procedures amp Modem Name Rr Network SY Mac Address J Serial Number IPAddess SubnetMask T Gateway z I 1 Log Server
120. me 4 68 302693 B Rev 00 Troubleshooting MacAddress Variable Name Set Get Response Status Description IpAddress Variable Name Set Get Response Status Description DownChannellflndex Variable Name Set Get Response Status Description docsIfCmtsCmStatusMac Address MacAddress MAC address of this Cable Modem If the Cable Modem has multiple MAC addresses this is the MAC address associated with the Cable interface docsIfCmtsCmStatusIpAddress IpAddress IP address of this Cable Modem If the Cable Modem has no IP address assigned or the IP address is unknown this object returns a value of 0 0 0 0 If the Cable Modem has multiple IP addresses this object returns the IP address associated with the Cable inter face docsIfCmtsCmStatusDownChannellfIndex Number InterfaceIndexOrZero IfIndex of the downstream channel to which this CM is connected If the downstream channel is unknown this object returns a value of zero 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 UpChannellflndex Variable Name Set Get Response Status Description RxPower Variable Name Set Get Response Status Description TimingOffset Variable Name Set Get Response Status Description docsIfCmtsCmStatusUpChannellfIndex Number InterfaceIndexOrZero IfIndex of the upstream channel to which this CM is connected If the upstream channel is unknown this object
121. me Variable Name Set Get Response Status Description docsBpiCmAuthGraceTime Number Seconds Grace time for an authorization key A CM is expected to start trying to get a new authori zation key beginning AuthGraceTime sec onds before the authorization key actually expires The value of this object cannot be changed while the authorization state machine is running Note This object will be read write accessi ble only after the ability to start and stop the authorization state machine is understood docsBpiCmTEKGraceTime Number Seconds Grace time for a TEK A CM is expected to start trying to get anew TEK beginning TEKGraceTime seconds before the TEK actually expires The value of this object can not be changed while the authorization state machine is running Note This object will be read write accessi ble only after the ability to start and stop the authorization state machine is understood 4 112 302693 B Rev 00 Troubleshooting AuthWaitTimeout Variable Name Set Get Response Status Description ReauthWaitTimeout Variable Name Set Get Response Status Description docsBpiCmAuth WaitTimeout Number Seconds Authorize Wait Timeout The value of this object cannot be changed while the authoriza tion state machine is running Note This object will be read write accessi ble only after the ability to start and stop the authorization state machine 15 understood docs
122. me for expiration of the newest active key for this TEK association If this TEK association has no active keys then the value is of the expiration date and time of the last active key 4 134 302693 B Rev 00 Troubleshooting BpiCmtsTEKReset Variable Name Set Get Response Status Description BpiCmtsKey Requests Variable Name Set Get Response Status Description BpiCmtsKeyReplies Variable Name Set Get Response Status Description BpiCmtsKeyRejects Variable Name Set Get Response Status Description docsBpiCmtsTEKReset Truth Value Setting this object to True causes the CMTS to invalidate the current active TEK s plural due to key transition periods and to generate anew TEK for the associated SID Reading this object always returns False docsBpiCmtsKeyRequests Number The count of times the CMTS has received a Key Request message docsBpiCmtsKeyReplies Number The count of times the CMTS has transmitted a Key Reply message docsBpiCmtsKeyRejects Number count of times the CMTS has transmitted a Key Reject message 302693 B Rev 00 4 135 CMTS 1000 Installation Manual V1 2 BpiCmtsTEKInvalids Variable Name Set Get Response Status Description BpiCmtsKeyRejectErrorCode Variable Name Set Get Response Status Description BpiCmtsKeyRejectErrorString Variable Name Set Get Response Status Description docsBpiCmtsTE
123. n Update Networks When enabled the user will have access to update the network configuration files Print Reports When enabled the user will have access to the print reports function 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 Modify Server Configuration Access to this function is from the Modify Server option of the LCn Con trol Panel Admin Tab screen It allows you to configure the LCn server including identifying the proper TFTP File Directory and DHCP Directory The File Directory is where the LCn holds its configuration files The DHCP Directory is where the DHCP Server is located Click the Modify Server option on the LCn Control Panel Admin Tab screen LCn displays the Server Configuration screen see Figure 3 8 To accept the defaults click Done 89 Server Configuration nl x TFTP File Directory c data ne p Dhep Format Dhep Directory c ftpserv Cancel Figure 3 8 LCn Modify Server Configuration TFTP File Directory Enter the name of the CM Configuration File Directory This directory will contain the configuration files after they are generated If the LCn run time component and the database maintenance portion are on the same system this directory should be the default directory for the TFTP server 3 16 302693 B Rev 00 Startup Operation Procedures DHCP Format Select the appropriate format for the DHCP Ser
124. n the DocsBpiCmTEKEntry table iflndex Variable Name Set Get Response Status Description IfC mServiceld Variable Name Set Get Response Status Description ifIndex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization docsIfCmServiceld Number Identifies a service queue for upstream band width The attributes of this service queue are shared between the CM and the CMTS The CMTS allocates upstream bandwidth to this service queue based on requests from the CM and on the class of service associated with this queue 4 118 302693 B Rev 00 Troubleshooting BpiCmTEKPrivacyEnable Variable Name Set Get Response Status Description BpiCmTEKState Variable Name Set Get Response Status Description docsBpiCmTEKPrivacyEnable Truth Value This identifies whether this SID is provi sioned to run Baseline Privacy This is analo gous to enabling Baseline Privacy on a provisioned SID using the Class of Service Privacy Enable option as described in BPI Appendix A 1 2 This object may be set to True or False at any time causing the CM to send a Reauth event to the authorization machine regardless of whether Baseline Pri vacy is enabled for the CM However Base line Privacy is not eff
125. n the USA March 1999 The information in this document is subject to change without notice The statements configurations technical data and recommendations in this document are believed to be accurate and reliable but are presented without express or implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Bay Networks The software described in this document is furnished under a license agreement and may only be used in accordance with the terms of that license A summary of the Software License is included in this document Trademarks Microsoft Microsoft Access MS DOS Windows 95 and Windows NT are registered trademarks of Microsoft Corporation All other trademarks and registered trademarks are the property of their respective owners Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 Gi of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the rights of the United States Government regarding its use reproduction and disclosure are as set forth in the Commercial Computer Bay Networks Software Restricted Rights clause at FAR 52 227 19 Statement of Conditions In the i
126. nterest of improving internal design operational function and or reliability Bay Networks reserves the right to make changes to the products described in this document without notice Bay Networks does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Portions of the code in this software product may be Copyright 1988 Regents of the University of California All rights reserved Redistribution and use in source and binary forms of such portions are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation advertising materials and other materials related to such distribution and use acknowledge that such portions of the software were developed by the University of California Berkeley The name of the University may not be used to endorse or promote products derived from such portions of the software without specific prior written permission SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED AS IS AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE In addition the program and information contained herein are licensed only pursuant to a license agreement that contains restrictions on use and disclosure that may incorporate by reference certain limitations and notices imposed by third parties
127. o be matched for this filter 4 36 302693 B Rev 00 Troubleshooting Dmask Variable Name Set Get Response Status Description Protocol Variable Name Set Get Response Status Description SourcePortLow Variable Name Set Get Response Status Description docsDevFilterIpDmask IP Address A bit mask that is to be applied to the destina tion address prior to matching This mask is not necessarily the same as a subnet mask but 1 5 bits must be leftmost and contiguous docsDevFilterIpProtocol icmp 1 tcp 6 udp 17 any 256 The IP protocol value that is to be matched docsDevFilterIpSourcePortLow Number If docsDevFilterIpProtocol is udp or tcp this is the inclusive lower boundary of the trans port layer source port range that is to be matched 302693 B Rev 00 4 37 CMTS 1000 Installation Manual V1 2 SourcePortHigh Variable Name Set Get Response Status Description DestPortLow Variable Name Set Get Response Status Description DestPortHigh Variable Name Set Get Response Status Description docsDevFilterIpSourcePortHigh Number If docsDevFilterIpProtocol is udp or tcp this is the inclusive upper boundary of the trans port layer source port range that is to be matched docsDevFilterIpDestPortLow Number If docsDevFilterIpProtocol is udp or tcp this is the inclusive lower boundary of the trans port layer destination port ran
128. o the log server The value should be provided by the network operations department Time Server The entry in this field is the IP address of the Time Server It is used by all CMs in this network Upgrade Server The entry in this field is the IP address of the Upgrade Server It is used by all CMs in this network Upgrade File Name This entry is the TFTP file name of the CM operating software that you wish to have the CM load during an automatic software upgrade DHCP Lease Time The length of time for which the assigned IP address is valid The lease will be automatically renewed Allow Network Access Checking the Allow Network Access box allows the CM access to the net work after it has received suitable parameters The LCn provides these parameters at boot up providing no errors occur during this process If the box is not checked the modem will not function even if it receives valid parameters from the LCn Since CMs revalidate their parameters each time they reboot this check box provides a simple mechanism to bar a modem from the network 302693 B Rev 00 3 29 CMTS 1000 Installation Manual V1 2 Downstream Frequency The receive frequency entered in this field in MHz is the one used by all CMs in this network Upstream Channel ID The Upstream Channel ID which the CM must use is an override for the channel selected during initialization Maximum CPEs The entry in this field allows you to cont
129. ocol IP Internet Protocol IPX Internal Packet eXchange xvi 302693 B Rev 00 About This Document IRC LCD LCn LLC LSB MAC Mbps MIB MSO NIC NMAccess NMS NVRAM PDU PHY pps QAM QPSK RDBMS RF RFC RISC RSA SID SNMP SOHO SRAM STD TCP IP Incremental Related Carrier Liquid Crystal Display LANcity Provisioning Server Logical Link Control Least Significant Bit Media Access Control Megabytes Per Second Management Information Base Multiple System Operator Network Interface Card Network Management Access Network Management System Non Volatile Random Access Memory Protocol Data Unit Physical Protocol Layer Packets per Second Quadrature Amplitude Modulation Quadrature Phase Shift Keying Relational Database Management System Radio Frequency Request for Comment Reduced Instruction Set Computer Rural Service Area System Identification Number Simple Network Management Protocol Small Office Home Office Static Random Access Memory Standard North American Transmission Control Protocol Internet Protocol 302693 B Rev 00 xvii CMTS 1000 Installation Manual V1 2 TEK Traffic Encryption Key TFTP Trivial File Transfer Protocol TX Transmit UART Universal Asynchronous Receiver Transmitter UCD Upstream Channel Descriptor UDP User Datagram Protocol Bay Networks Technical Publications You can now print technical manuals and release notes free directly from the Internet Go to suppo
130. of the CMTS 1000 is 50 000 packets per second pps The CMTS 1000 also filters at wire speed on both its 10 100 Ethernet and interfaces Integrated Up Converter The CMTS 1000 provides an integrated up converter capability which converts the Intermediate Frequency IF to the downstream operational frequency The integrated up converter delivers the needed functionality to translate from lower to higher frequencies at a lower cost and smaller foot print with integrated management 302693 B Rev 00 General Description Class of Service The CMTS 1000 supports Bay Networks MAC Scheduler which allows cable operators a way of differentiating services for their business custom ers Services can be configured by data rate bits per second both upstream and downstream as well as by three levels of priority which are normal high and network critical Thus offering the ability to tailor services to the individual customer s needs Bay Networks MAC Scheduler provides sophisticated control of the upstream and downstream channels Offering higher performance with a much lower latency the MAC Scheduler enables deployment of differenti ated and tiered services Class of service support is delivered via best effort Committed Information Rate CIR and Constant Bit Rate CBR with configurable maximum and minimum information rates This is accom plished by mapping IP flows to IP addresses ports protocols and type of service
131. onnected to a 100 Mbps Ethernet device Downstream LED The Downstream LED flashes when there is activity through the CMTS RF transmit port Upstream LEDs The eight Upstream LEDs flash when there is activity through an active CMTS receive port CMTS 1000 System Panel Buttons There are four pushbuttons directly below the LCD labeled Esc Down Up and Enter You use these buttons to access menu items on the CMTS 1000 System Display 4 8 302693 B Rev 00 Troubleshooting CMTS 1000 System Display The CMTS 1000 System Display is an LCD providing two lines of text each 16 characters long You can access 16 menu items via three menu groups using the CMTS 1000 System Display of which 7 can be modified using the CMTS 1000 CLI In addition when the CMTS 1000 is operational the Display Menu displays its serial number The following paragraphs describe the CMTS 1000 System Display Menu items Toggling the Down or Up buttons causes the LCD to display one of the three group menu headings The three group menu headings include System Menu DnStm Menu Downstream Menu UpStm Menu Upstream Menu Pressing the Esc button causes the LCD to return to the group menu heading System Menu Figure 4 4 shows the LCD displaying the System Menu heading Pressing the Enter button causes the LCD to display the first of eight Sys tem Menu items Pressing the Up or Down button causes the LCD to dis play the next item in the
132. ontrol Panel Admin Tab screen 3 14 302693 B Rev 00 Startup Operation Procedures Table 3 1 Admin Rights Function Description Manage Networks When enabled the user will have access to the modify network data parameters and functions Manage Modems When enabled the user will have access to the modify cable modem parameters and functions Manage Class of Service When enabled the user will have access to the modify service class parameters and functions Manage Filters When enabled the user will have access to the modify filters parameters and functions Manage SNMP Writes When enabled the user will have access to the modify SNMP writes parameters and functions MibObjects When enabled the user will have access to the MIB objects function Import Mib Objects When enabled the user will have access to the import MIB objects function Manage MIC Keys When enabled the user will have access to the modify service class parameters and functions Manage Privacy Settings When enabled the user will have access to the manage privacy settings parameters and functions Manage LCN Users When enabled the user will have access to manage all LCn users Import Serial Numbers When enabled the user will have access to the import serial numbers function Modify Server Configuration When enabled the user will have access to the modify server configuration functio
133. or Code in most recent TEK Invalid mes sage received by the CM This has value unknown 2 if the last Error Code value was 0 and none 1 if no TEK Invalid message has been received since reboot 4 122 302693 B Rev 00 Troubleshooting BpiCmTEKInvalidErrorString Variable Name Set Get Response Status Description DocsBpiCMTS docsBpiCmTEKInvalidErrorString DisplayString Display String in most recent TEK Invalid message received by the CM This is a zero length string if no TEK Invalid message has been received since reboot DocsBpiCMTS is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings DocsBpiCmtsBaseEntry This group describes the basic and authorization related Baseline Privacy attributes of each CMTS MAC interface The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the DocsBpiCmtsBaseEntry table iflndex Variable Name Set Get Response Status Description ifindex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization 302693 B Rev 00 4 123 CMTS 1000 Installation Manual V1 2 AuthLifetime Variable Name Set Get R
134. oting LastTime Count Level Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsDevEvLastTime DateAndTime If multiple events are reported via the same entry the time that the last event for this entry occurred docsDevEvCount Number The number of consecutive event instances reported by this entry docsDevEvLevel emergency 1 alert 2 critical 3 error 4 warning 5 notice 6 information 7 debug 8 The priority level of this event docsDevEvId Number For this product uniquely identifies the type of event that is reported by this entry 302693 B Rev 00 4 31 CMTS 1000 Installation Manual V1 2 Text Variable Name docsDevEvText Set Get Response Status DisplayString Description Provides a human readable description of the event including all relevant context inter face numbers etc Docs Filters LLC Filters The Docs Filters is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsDevFilterLLCEntry table Index Variable Name docsDevFilterLLCIndex Set Ge
135. ou click on the Apply to Modems option button LCn applies the entered Network Data parameters to all cable modems on this network LCn provides an opportunity for you to accept or decline the changes This process can also be implemented from the Enter Cable Modem Data screen Refer to the Enter Cable Modem Data section for information on entering Network Defaults for individual cable modems Class of Service You use this button to enter Class of Service as a Network Default Class of Service can also be assigned to each modem individually by clicking on the Class of Service option button accessed from the Enter Cable Modem Data screen Refer to the Enter Cable Modem Data section for information on entering Class of Service for individual cable modems 3 24 302693 B Rev 00 Startup Operation Procedures Cable Modem Parameter Editing The following paragraphs describe the basic procedure for editing cable modem parameters Select the Modems option from the LCn Control Panel s Devices Tab LCn displays the Modems Screen shown in Figure 3 11 83 Modems Figure 3 11 Edit Modems The following fields appear on this screen Cable Modem Name The Cable Modem Name window displays a list of the cable modem names in alphabetical order 302693 B Rev 00 3 25 CMTS 1000 Installation Manual V1 2 Edit Add Delete Done This option displays the cable modem parameter editing screen When you select a cable mode
136. pgrade session Upgrade Procedure There are six basic steps to perform an upgrade to a CMTS 1000 using a standard SNMP manager 1 Verify contents of upgrade package 2 Configure TFIP file server 3 Ensure modems and headend systems can communicate with the TFTP server 4 Initiate upgrade process Upgrade and compile the latest cable modem SNMP MIB 6 Verify upgrade completed successfully 302693 B Rev 00 5 3 CMTS 1000 Installation Manual V1 2 Step 1 Verify Contents of Upgrade Package The distribution method for the CMTS 1000 upgrade is via a Bay Net work maintained FTP server and web site Upgrade software directories will include separate software files for the CMTS 1000 All pertinent SNMP MIB files are also included Refer to Chapter 4 Troubleshooting for the proper loading sequence for the various MIBs Step 2 Configure TFTP File Server Perform the following procedure to setup the TFIP file server and install the upgrade software Set the TFTP server s default or public directory to the directory where you will be copying the upgrade software Copy the CMTS 1000 upgrade software files to the TFTP server s default directory We recommend using the data directory that you use to save and provision the cable modem s configuration and MD5 files 5 4 302693 B Rev 00 Modifying and Upgrading the CMTS 1000 Step 3 Ensure Devices Can Communicate with the TFTP Server Reset each device befo
137. quipment from other vendors Enhances Network Security The CMTS 1000 provides a comprehensive set of security features which comply with the DOCSIS Baseline Privacy Specifications for cable plant end to end communications Eases Management Bay Networks Optivity Network Management System provides a compre hensive set of network management capabilities accessible through a point and click Windows based interface 302693 B Rev 00 1 5 CMTS 1000 Installation Manual V1 2 Features DOCSIS Compliant The CMTS 1000 is fully compliant with the DOCSIS standards which include radio frequency RF interfaces data interfaces security and oper ations support system interface specifications It is also compliant with the Physical Protocol PHY Layer and Media Access Control MAC Layer characteristics as defined by DOCSIS This strict adherence to standards enables cable operators to implement multivendor networks cost effec tively and safely High Performance Architecture Bay Networks CMTS 1000 provides a flexible software architecture based on a high performance RISC based engine with integrated application spe cific integrated circuits ASICs A 10 100 Mbps Ethernet network inter face a 6 MHz 64 or 256 QAM downstream channel and a variable rate QPSK or 16 QAM upstream channel are provided by the CMTS 1000 The CMTS 1000 delivers the performance required by today s demanding applications The forwarding performance
138. rade was a result of version mismatch at provisioning CompleteFrom Mgt 3 indicates that the last software upgrade was a result of setting docs DevSwAdminStatus to upgradeFromMgt Failed 4 indicates that the last attempted download failed ordinarily due to TFTP tim eout 302693 B Rev 00 4 23 CMTS 1000 Installation Manual V1 2 Docs Server BootState This MIB group describes server access and parameters used for initial provisioning and bootstrapping The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsDevServerInfo table Variable Name Set Get Response Status Description docsDevServerBootState operational 1 disabled 2 waitingForDh cpOffer 3 waitingForDhcpResponse 4 waitingForTimeServer 5 waitingForT ftp 6 refusedByCmts 7 forwardingDe nied 8 other 9 unknown 10 If operational 1 the device has completed loading and processing configuration parame ters and the CMTS has completed the Regis tration exchange If disabled 2 the device was administratively disabled possibly by being refused network access in the configu ration file If waitingForDhcpOffer 3 then a DHCP Discover has been transmitted and no offer has yet been received If waitingForDh cpResponse 4 then a DHCP Request has been transmitted and no response has yet been received If waitingForTime Server 5
139. re than 24 lines of display The downstream and upstream port statistics count additional MAC man agement messages that are part of the DOCSIS protocol these are not counted in the cable statistics This is a simple check to determine whether the Ethernet and Cable inter faces are working at all 4 6 302693 B Rev 00 Troubleshooting CMTS 1000 System Front Panel The following paragraphs describe the CMTS 1000 front panel shown in Figure 4 3 The CMTS 1000 System Display Panel descriptions are included D Bay Networks Cable Modem Termination System 1000 Figure 4 3 1000 Front Panel CMTS 1000 RF Test Points 30 dB Downstream The CMTS 1000 RF Downstream test point allows you to determine the downstream CMTS 1000 transmit signal level minus 30 dB 0 dB Upstream The CMTS 1000 RF Upstream test point allows you to determine the upstream CMTS 1000 receive signal level without any added attenuation CMTS 1000 LEDs Power LED When the CMTS 1000 Power LED is on solid it indicates power is being supplied to the unit 302693 B Rev 00 4 7 CMTS 1000 Installation Manual V1 2 Ethernet LED The Ethernet LED flashes when there is transmit or receive activity through its port 10 100 Link LED This LED is on solid when the unit is connected to an Ethernet device such as a hub switch or gateway The color of the LED turns green when con nected to a 10 Mbps Ethernet device and turns amber when c
140. re attempting to upgrade to verify the following Connection to the TFTP server Correctness of the configuration database information Configuration parameters haven t changed since last reboot To reset a device using SNMP Select the device Select the DocsDev MIB Object ID Select the Docs Base MIB Object ID Change the True False selection of the ResetNow MIB to True Qo ue DS Cbar Press the Set button The cable modem or Cable Modem Termination System will reset Using the TFTP server s visual display ensure that the cable modem device is served its configuration file 302693 B Rev 00 5 5 CMTS 1000 Installation Manual V1 2 Step 4 Initiate Upgrade Process Software Upgrade via SNMP Use the following procedure to upgrade a CMTS 1000 using an SNMP manager 1 Select cable modem device to be upgraded 2 Select the DocsDev MIB Object ID Select the Docs_Software MIB Object ID The SNMP manager dis plays the softwareInfo Table 4 Set the Server IP Address to the IP Address of the TFTP server Set the Filename to the filename of the upgrade software that you copied into the TFTP server s default directory Enter only the file name Do not enter the full path to the TFTP server s public directory Caution parameters must be set exactly as stated Verify that all previ ous steps are complete and accurate especially file names and IP Addresses Verify that the TFTP server is On and the loadab
141. refore consideration should be given to installing the CMTS 1000 in an environment compatible with the maximum rated ambient temperature Tmra as specified in the Specifications section in Chapter 1 Installation of the equipment in a rack should be such that the amount of air flow required for safe operation of the equipment is not compromised 302693 B Rev 00 Hardware Installation Power Requirements The equipment has an international auto ranging internal power supply which allows it to be powered from 100 120 220 240 VAC 50 60 Hz source Note the total current consumption of all equipment on the same line before applying power to the CMTS 1000 Avoid sharing an AC source that feeds heavy motors or other equipment that requires large current drains Caution Circuit Overloading Consideration should be given to the con nection of the CMTS 1000 to the supply circuit and the effect that over loading of circuits might have on overcurrent protection and supply wiring Appropriate consideration of the CMTS 1000 nameplate ratings should be used when addressing this concern works CMTS 1000 power cord into a grounded power outlet Power outlet Warning To reduce the risk of electric shock always plug the Bay Net ground must be permanently connected to the power service earth ground Rack Installation Refer to Figure 2 2 Install CMTS 1000 in the rack Support unit and align holes in front mounting ears with
142. reshold stopAtThreshold 3 causes trap transmission to cease at the threshold and not resume until directed to do so inhibited 4 causes all trap transmission and syslog mes sages to be suppressed A single event is always treated as a single event for threshold counting That is an event causing both a trap and a syslog message is still treated as a single event Writing to this object resets the thresholding state docsDevEvThrottleInhibited Truth Value If true 1 trap and syslog transmissions are currently inhibited due to thresholds and or current setting of docsDevEvThrottleAdmin Status 302693 B Rev 00 4 27 CMTS 1000 Installation Manual V1 2 Throttle Threshold Variable Name Set Get Response Status Description Throttlelnterval Variable Name Set Get Response Status Description docsDevEvThrottleThreshold Number Number of trap syslog events per docsDe vEvThrottleInterval to be transmitted before throttling A single event is always treated as a single event for threshold counting That is an event causing both a trap and a syslog message is still treated as a single event docsDevEvThrottleInterval Number The interval over which the trap threshold applies 4 28 302693 B Rev 00 Troubleshooting Event_Control The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variab
143. rol the maximum number of Cus tomer Premise Equipment CPE that this CM will support The CM sup ports from a single client node up to sixteen client nodes Time Zone The entry in this field is the timezone It is updated from the timezones table of the database It is used in the time stamps in the CM event log Daylight Savings Time Check this box when daylight savings time is in effect It is used in the time stamps used in the CM event log LLC Filters This option allows you to add a Logical Link Control LLC filter to all CMs on this network An LLC filter must be created using the LCn Control Panel MIB Objects Tab Filters option before you can add a filter type to a network 3 30 302693 B Rev 00 Startup Operation Procedures IP Filters SNMP Write MIB Objects NMAccess EVControl This option allows you to add an Internet Protocol IP filter to all CMs on this network An IP filter must be created using the LCn Control Panel MIB Objects Tab Filters option before you can add an IP Filter to a net work The entry in this field is the SNMP community to which the CM belongs for SNMP Sets The community string entered here must match the one used by the network manager in order for a CM to reply to an SNMP Set A manager knowing this string has write access to the CM It is used in all SNMP set requests by a network manager This option allows you to add a MIB Object to all CMs on this network A MIB Obj
144. rt baynetworks conm library tpubs Find the Bay Networks products for which you need documentation Then locate the specific category and model or version for your hardware or software prod uct Using Adobe Acrobat Reader you can open the manuals and release notes search for the sections you need and print them on most standard printers You can download Acrobat Reader free from the Adobe Systems Web site www adobe com Documentation sets and CDs are available through your local Bay Net works sales office or account representative Bay Networks Customer Service You can purchase a support contract from your Bay Networks distributor or authorized reseller or directly from Bay Networks Services For informa tion about or to purchase a Bay Networks service contract either call your local Bay Networks field sales office or one of the following numbers xviii 302693 B Rev 00 About This Document Region Telephone number Fax number Email United States 800 LANcity 978 682 3200 Support lancity com and Canada 978 916 3700 direct Attn Support Contracts Europe 33 4 92 96 69 66 33 4 92 96 69 96 Information about customer service is also available on the World Wide Web at support baynetworks com How to Get Help If you purchased a service contract for your Bay Networks product from a distributor or authorized reseller contact the technical support staff for that distributor or reseller for ass
145. rval between CMTS transmission of successive SYNC messages at this interface REFERENCE Data Over Cable Radio Frequency Interface Specification Sync Interval docsIfCmtsUcdInterval Number Milliseconds The interval between CMTS transmission of successive Upstream Channel Descriptor messages for each upstream channel at this interface REFERENCE Data Over Cable Radio Frequency Interface Specification UCD Interval docsIfCmtsMaxServicelds Number The maximum number of service IDs that may be simultaneously active 302693 B Rev 00 Troubleshooting InsertionInterval Variable Name Set Get Response Status Description InvitedRangingAttempts Variable Name Set Get Response Status Description docsIfCmtsInsertionInterval Number TimeTicks The amount of time to elapse between each broadcast station maintenance grant Broad cast station maintenance grants are used to allow new cable modems to join the network Zero indicates that a vendor specific algo rithm is used instead of a fixed time Maxi mum amount of time permitted by the specification is two seconds REFERENCE Data Over Cable Radio Frequency Interface Specification Ranging Interval docsIfCmtsInvitedRangingAttempts Number The maximum number of attempts to make on invitations for ranging requests A value of zero means the system should attempt to range forever 302693 B Rev 00 CMTS 1000 Installation Manual V1
146. rver has a display window or returns status information to you 302693 B Rev 00 5 7 CMTS 1000 Installation Manual V1 2 Step 5 Upgrade and Compile the Latest CMTS SNMP MIB The new MIB must now be loaded and compiled to allow proper SNMP management of the cable modems and headend equipment that you upgraded Refer to Chapter 4 Troubleshooting for the proper loading sequence of the MIB files Refer to Chapter 4 Troubleshooting for detailed descriptions of the CMTS 1000 MIB variables Step 6 Verify Upgrade Completed Successfully Using an SNMP manager verify the software version of the upgraded CMTS 1000 as follows Using MIB II select Basic Select System and List System Info 1 2 3 SNMP manager displays SystemInfo Table 4 The Object ID indicates the product ID and the software version 5 If you re using SNMPc you can click on the SNMPc Poll button The manager will display the IP Address of the selected device and the product ID along with the software version 5 8 302693 B Rev 00 READER S COMMENTS What do you think of this document Your comments and suggestions will help us to improve the quality and usefulness of our publications Please rate this document Poor Excellent Accuracy 1 2 3 4 5 Readability 2 3 4 5 Examples 1 2 3 4 5 Organization 1 2 3 4 5 Completeness 1 2 3 4 5 Did you find errors in this document If so please specify the error s and page number s
147. s nont ee eo lom ce soci Le bes E a peu don pe Ceu Ru pe UU bud ce raa MEE 1 7 mop C Omm a DB ooa ase ro E ER OE Peg eee E Prec sat G 1 7 Transparent Bridging and Layer 3 1 8 DOSK 1 9 Powerful Provisioning Management and Maintenance Capabilities 1 9 met 1 10 BPCO a 1 11 Installation and Operating Environment si 1 11 aule m 1 11 ect E I aS 1 11 iar euipcecen sj meet ce seam Aa 1 12 Regulatory ssar 1 12 302693 B Rev 00 vii CMTS 1000 Installation Manual V1 2 PINS IS CURIE anions apod popu Kan bd En Lact t edicta 1 13 m rec iA HD a LS LS S 1 13 rcr pr e 1 13 patata clan up utu US aie 1 14 dcos caer 1 14 Placemeni or me TOOD sdisaccstant bebat aeons Rete sia boul aa rl a OE RD 1 14 GONG OID ciis saan Subsets Sains d cures mcm Cede DU enu Rd doa 1 14 a
148. s Note that this object is particularly relevant for multicast SIDs where multiple grace time values cannot be honored docsBpiCmtsAuthRequests Number The count of times the CMTS has received an Authorization Request message from any CM docsBpiCmtsAuthReplies Number The count of times the CMTS has transmitted an Authorization Reply message to any CM 302693 B Rev 00 4 125 CMTS 1000 Installation Manual V1 2 Rejects Variable Name docsBpiCmtsAuthRejects Set Get Response Status Number Description The count of times the CMTS has transmitted an Authorization Reject message to any CM Invalids Variable Name docsBpiCmtsAuthInvalids Set Get Response Status Number Description The count of times the CMTS has transmitted an Authorization Invalid message to any CM DocsBpiCmtsAuthEntry Describes the attributes of each CM authorization association The CMTS maintains one authorization association with each Baseline Privacy enabled CM on each CMTS MAC interface The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the DocsBpiCmtsAuthEntry table 4 126 302693 B Rev 00 Troubleshooting iflndex Variable Name Set Get Response Status Description MacAddress Variable Name Set Get Response Status Description PublicKey Variable Name Set Get Response Status Description ifIndex Number A uniqu
149. s are licensed for use under the terms of the applicable Bay Networks Software License Agreement that accompanies such software and upon payment by the end user of the applicable license fees for such software 2 Restrictions on use reservation of rights The Software and user manuals are protected under copyright laws Bay Networks and or its licensors retain all title and ownership in both the Software and user manuals including any revisions made by Bay Networks or its licensors The copyright notice must be reproduced and included with any copy of any portion of the Software or user manuals Licensee may not modify translate decompile disassemble use for any competitive analysis reverse engineer distribute or create derivative works from the Software or user manuals or any copy in whole or in part Except as expressly provided in this Agreement Licensee may not copy or transfer the Software or user manuals in whole or in part The Software and user manuals embody Bay Networks and its licensors confidential and proprietary intellectual property Licensee shall not sublicense assign or otherwise disclose to any third party the Software or any information about the operation design performance or implementation of the Software and user manuals that is confidential to Bay Networks and its licensors however Licensee may grant permission to its consultants subcontractors and agents to use the Software at Licensee s facility provided t
150. s been selected a blank screen is displayed 3 18 302693 B Rev 00 Startup Operation Procedures Delete This option deletes the selected network If no network is selected an error message is displayed Done This returns you to the previous screen Enter Network Data You can add parameters for a new network or edit parameters for an exist ing network using the Enter Network Data screen see Figure 3 10 For existing networks you select a network from the Edit Networks screen list and click on edit All fields are filled in from the appropriate records in the database Changes to this data should be made by network operations staff who have appropriate networking and product training When you click on Add an intermediate screen appears prior to LCn dis playing the Enter Network Data screen This screen requests that you enter a name for the new item Enter a name for the network and press OK 302693 B Rev 00 3 19 CMTS 1000 Installation Manual V1 2 amp Network Figure 3 10 Enter Network Data The following fields appear on this screen Network Name This free format field enables you to assign a name to the network Subnet Mask This field allows you to enter the IP address mask to be used by all CMs in this network The value for the mask should be provided by the network operations department 3 20 302693 B Rev 00 Startup Operation Procedures Gateway The
151. s includes all code words whether or not they were part of frames destined for this device 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 SignalNoise Variable Name Set Get Response Status Description Microreflections Variable Name Set Get Response Status Description docsIfSigQSignalNoise Number Signal Noise ratio as perceived for this chan nel Only meaningful in Cable Modems Returns zero for Cable Modem Termination Systems docsIfSigQMicroreflections Number dBc Total microreflections including in channel response as perceived on this interface mea sured in dBc below the signal level This object is not assumed to return an abso lutely accurate value but should give a rough indication of microreflections received on this interface It is up to the implementor to provide information as accurately as possible 302693 B Rev 00 Troubleshooting Docslf CM DocsIfCM is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings IfCmMacEntry The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfCmMacEntry table An entry contains objects describing attributes of each MAC entry extend ing the information in ifEntry An entry in this table exists for each ifEntry with an if Type of docsCableMaclayer 127
152. sic Network The following steps are used to set up a Cable Modem network using the LCn utility 1 Install DOCSIS LCn Provisioning Server 2 Login with default user ID and password 3 Modify the default user password if desired 4 Add new users with desired access rights 5 Modify the server configuration to create the correct format output 6 Create a new authorization key for the network or accept the default 7 Create a service class with the required parameters or accept the default oo Create a network with the required parameters 9 Add the cable modems and cable modem termination systems to the configuration 10 Start the servers if they are running on the LCn PC 11 Update the network configuration files to create the run time tables and files 3 2 302693 B Rev 00 Startup Operation Procedures PC Installation Procedure Required Hardware minimum Pentium PC with 16 MB of RAM memory and 500 MB of free disk space Ethernet Network Interface Card NIC for the PC Required Software minimum DOCSIS LCn Provisioning Server by Bay Networks Broadband Technol ogy Division and the following Microsoft Windows 95 Microsoft Windows 98 or Microsoft Windows NT running its TCP IP stack and FTP s OnNet server with its DHCP and TFTP servers active Install Hardware and Software Install Microsoft Windows and FTP s OnNet server following the manufac turer s directions Install the Ethernet Card
153. sponse Status Description IcBootedAlbumFilename DisplayString The filename that is embedded in the flash album header of the currently booted album software image 302693 B Rev 00 4 107 CMTS 1000 Installation Manual V1 2 SequenceNumber Variable Name Set Get Response Status Description IpFiltSendDu Variable Name Set Get Response Status Description RestartFromFactoryDefaults Variable Name Set Get Response Status Description IcBootedAlbumSequenceNumber Number The sequence number of the currently loaded software image IcIpFiltSendDu Number on 1 send DU if packet filtered off 2 do NOT send DU if packet filtered This variable specifies whether a destination unreachable ICMP message is sent when a packet is filtered due to IP protocol filtering IcRestartFromFactoryDefaults Truth Value Setting this object to true 1 causes the device to reset When restarting it will have forgot ten all configuration parameters that are nor mally stored in nonvolatile memory The device will start up as if delivered from the factory Reading this object always returns false 2 4 108 302693 B Rev 00 Troubleshooting DocsBpi DocsBpi is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings All of which reside under the MIB variable table name DocsBpi DocsBpiCM DocsBpiCM is the menu heading for a c
154. ss prefix mapping entry DEFVAL is an unused multicast SID value chosen by CMTS docsBpilpMulticastMapControl RowStatus active notInService notReady createAndGo createAndWait destroy Controls and reflects the IP multicast address prefix mapping entry 302693 B Rev 00 4 139 CMTS 1000 Installation Manual V1 2 DocsBpiMulticastAuthEntry Describes the multicast SID authorization for each CM on each CMTS MAC interface The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the DocsBpiMulticastAuthEntry table iflndex Variable Name ifIndex Set Get Response Status Number Description A unique value for each interface Its value ranges between 1 and the value of ifNumber The value of each interface must remain con stant at least from one reinitialization of the emtity s network management system to the next reinitialization Serviceld Variable Name docsBpiMulticastServiceld Set Get Response Status Number Description The multicast SID for authorization CmMacAddress Variable Name docsBpiMulticastCmMacAddress Set Get Response Status MacAddress Description The MAC address of the CM to which the multicast SID authorization applies 4 140 302693 B Rev 00 Troubleshooting AuthCode Variable Name docsBpiMulticastAuthControl Set Get Response Status RowStatus active notInService notReady
155. sts for each ifEntry with an ifType of docsCableUpstream 129 for Cable Modem Termination Sys tems and docsCableDownstream 128 for Cable Modems Variable Name Set Get Response Status Description IncludesContention Variable Name Set Get Response Status Description ifIndex Number A unique value for each interface Its value ranges between 1 and the value of ifNumber The value for each interface must remain con stant at least from one reinitialization of the entity s network management system to the next reinitialization docsIfSigQIncludesContention Truth Value True 1 if this CMTS includes contention intervals in the counters in this table Always False 2 for CMs 4 50 302693 B Rev 00 Troubleshooting Unerroreds Variable Name Set Get Response Status Description Correcteds Variable Name Set Get Response Status Description Uncorrectables Variable Name Set Get Response Status Description docsIfSigQUnerroreds Number Codewords received on this channel without error This includes all codewords whether or not they were part of frames destined for this device docsIfSigQCorrecteds Number Codewords received on this channel with cor rectable errors This includes all codewords whether or not they were part of frames des tined for this device docsIfSigQUncorrectables Number Codewords received on this channel with uncorrectable errors Thi
156. t vertical line 1 Indicates data that appears on the screen Example Set Bay Networks Trap Monitor Filters Separates menu and option names in instructions and internal pin to pin wire connections Example Protocols gt AppleTalk identifies the AppleTalk option in the Protocols menu Example Pin 7 gt 19 gt 20 Indicates that you enter only one of the parts of the command The vertical line separates choices Do not type the vertical line when entering the command Example If the command syntax is show at routes nets you enter either show at routes or show at nets but not both 302693 B Rev 00 XV CMTS 1000 Installation Manual V1 2 Acronyms ARP Address Resolution Protocol ASIC Applications Specific Integrated Circuit BPI Bytes Per Inch CATV Community Access Antenna TV CBR Constant Bit Rate CIR Committed Information Rate CM Cable Modem CMTS Cable Modem Termination System C N Carrier to Noise CPE Customer Premises Equipment dB Decibel dBc Decibel Carrier dBmV Decibel Millivolt DES Data Encryption Standard DFB Distributed Feed Back DHCP Dynamic Host Configuration Protocol DNS Domain Name Service DOCSIS Data Over Cable Service Interface Specification DRAM Dynamic Random Access Memory FEC Forward Error Correction FIFO First In First Out FTP File Transfer Protocol HRC Harmonic Related Carrier ICMP Internet Control Message Protocol IF Intermediate Frequency IGMP Internet Group Management Prot
157. t Response Status Number Description Index used for the identification of filters note that LLC filter order is irrelevant Status Variable Name docsDevFilterLLCStatus Set Get Response Status RowStatus active notInService notReady createAndGo createAndWait destroy Description Controls and reflects the status of rows in this table 4 32 302693 B Rev 00 Troubleshooting lflndex Variable Name Set Get Response Status Description ProtocolType Variable Name Set Get Response Status Description Protocol Variable Name Set Get Response Status Description docsDevFilterLLCIfIndex Number The entry interface to which this filter applies The value corresponds to ifIndex for either a CATV MAC or another network interface If the value is zero the filter applies to all interfaces In Cable Modems the default value is the customer side interface In Cable Modem Termination Systems this object has to be specified to create a row in this table docsDevFilterLLCProtocolType ethertype 1 dsap 2 The format of the value in docsDevFilter LLCProtocol either a two byte Ethernet Ethertype or a one byte 802 2 SNAP value EtherType 1 also applies to SNAP encapsu lated frames docsDevFilterLLCProtocol Number The layer three protocol for which this filter applies The protocol value format depends on docsDevFilterLLCProtocolType Note that for SNAP frames etherType filtering is per formed rather than
158. tainer Contents Check the packing slip to verify you have everything you ordered The unit s shipping box contains the following CMTS 1000 and its power cord A CD containing the CMTS 1000 LCn Provisioning software a PC based utilities program used to configure the CMTS 1000 and CM 100 operating parameters This document CMTS 1000 Installation Manual Examining the CMTS 1000 Examine the CMTS 1000 to locate the parts on the rear panel as you con nect the rest of the system Figure 2 1 shows the locations of the following items Ethernet port s serial port cable TV transmit and receive ports power input receptacle and the AC On Off switch 2 2 302693 B Rev 00 Hardware Installation vownstream UPSTREAM o ETHERNET i CONSOLE Ltrs O 1 Figure 2 1 CMTS 1000 Rear Panel Selecting an Installation Area After unpacking the CMTS 1000 select an appropriate installation area that allows room for the CMTS 1000 as well as for the cables and power cord Mounting Rack Requirements The Bay Networks CMTS 1000 is designed to be mounted in a standard 19 rack compliant with EIA RS 310 Caution The 19 rack suitable for Bay Networks CMTS 1000 installation must support a minimum of 25 pounds Do not mount the Bay Networks CMTS 1000 in any manner that could
159. th Set Get Response Status Number Hertz Description The bandwidth of this upstream channel This object returns 0 if the channel width is unde fined or unknown Minimum permitted chan nel width is 160 000 Hz 4 44 302693 B Rev 00 Troubleshooting ModulationProfile Variable Name Set Get Response Status Description SlotSize Variable Name Set Get Response Status Description TxTimingOffset Variable Name Set Get Response Status Description docsIfUpChannelModulationProfile Number An entry identical to the docsIfModIndex in the docsIfCmtsModulationTable that describes this channel This channel is further instantiated there by a grouping of interval usage codes which together fully describe the channel modulation This object returns 0 if the docsIfCmtsModulationTable does not exist or is empty docsIfUpChannelSlotSize Number The number of 6 25 microsecond ticks in each upstream mini slot Returns zero if the value is undefined or unknown docsIfUpChannelTxTimingOffset Number A measure of the current round trip time at the CM or the maximum round trip time seen by the CMTS Used for timing of CM upstream transmissions to ensure synchro nized arrivals at the CMTS Units are in terms of 6 25 microseconds 64 302693 B Rev 00 4 45 CMTS 1000 Installation Manual V1 2 RangingBackoffStart Variable Name Set Get Response Status Description RangingBackoffEnd Var
160. that end to end communi cations are kept private It provides comprehensive filtering capabilities based on packet type address port or protocol allowing cable operators to configure their security measures to fit their exact requirements Cable operators can easily differentiate services for their business custom ers through Bay Networks MAC Scheduler which allows services to be configured by data rate or priority The CMTS 1000 is SNMP manageable by any SNMP management station such as Bay Networks Optivity family of network management applica tions It can also be provisioned with its IP address and operational param eters over the network via Domain Name Service DNS and Dynamic Host Configuration Protocol DHCP 302693 B Rev 00 General Description Bay Networks product line scales to support thousands to millions of modems and enables cable operators to deploy products that flexibly sup port a variety of customer applications from residential to small office home office SOHO to large businesses Benefits Maximizes Network Performance The CMTS 1000 provides the forwarding and filtering rates necessary to meet the most demanding applications Additionally by allowing cable operators to differentiate services the CMTS 1000 can be configured to meet a customer s specific requirements Ensures Connectivity Bay Networks strict adherence to the DOCSIS standards ensures interoper ability with standards based e
161. the LCn Since CMs revalidate their parameters each time they reboot this check box provides a simple mechanism to bar a modem from the network Downstream Frequency The receive frequency entered in this field in MHz is the one used by all CMs in this network Upstream Channel ID The Upstream Channel ID which the CM must use is an override for the channel selected during initialization Maximum CPEs The entry in this field allows you to control the maximum number of Cus tomer Premises Equipment CPE that a CM will support The CM sup ports from a single client node up to sixteen client nodes Time Zone The entry in this field is the timezone It will be used by all CMs in this net work It is updated from the timezone s table of the database It is used in the time stamps in the CM event log Daylight Savings Time Check this box when daylight savings time is in effect It is used in the time stamps used in the CM event log 3 22 302693 B Rev 00 Startup Operation Procedures LLC Filters IP Filters SNMP Write MIB Objects NMAccess This option allows you to add a Logical Link Control LLC filter to all CMs on this network An LLC filter must be created using the LCn Control Panel MIB Objects Tab Filters option before you can add a filter type to a network This option allows you to add an Internet Protocol IP filter to all CMs on this network An IP filter must be created using the LCn Contro
162. the downstream channel The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the lcScanningFrequencyEntry table 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 Index Control FreqStart FreqEnd Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description IcScanIndex Number An ad hoc index for defining the scanning order for this table IcScanControl RowStatus active notInService notReady createAndGo createAndWait destroy Controls the creation and deletion of rows in this table See RFC 1903 for definition of enumeration IcScanFreqStart Number Kilohertz The center frequency of the first channel to scan in this range IcScanFreqEnd Number Kilohertz The center frequency of the last channel to scan in this range This may be higher or lower than IcScanFreqStart 302693 B Rev 00 Troubleshooting UseHrc Variable Name IcScanUseHrc Set Get Response Status Truth Value Description If True then the range is to use the HRC chan nels which correspond to the Std IRC chan nels whose center frequencies are defined by FreqStart and FreqEnd 1 offset the values in FreqStart and FreqEnd before us
163. the setting of flag variables For example to reset the CMTS 1000 an integer variable named docsdevresetnow is set to a specific value to reset the CMTS 1000 SNMP variables are defined using the Abstract Syntax Notation One ASN 1 ASN 1 specifies how a variable is encoded in a transmitted data frame it is very powerful because the encoded data is self defining For example the encoding of a text string includes an indication that the data unit is a string along with its length and value ASN 1 is a flexible way of defining protocols especially for network management protocols where nodes may support different sets of manageable variables 302693 B Rev 00 4 15 CMTS 1000 Installation Manual V1 2 Management Information Base MIB Descriptions DocsDev Docs Base Role DateTime The set of SNMP variables that the CMTS 1000 supports is called the Management Information Base MIB The MIB is made up of several parts The CMTS 1000 provides support for the data described in Table 4 2 via SNMP The MIB groups that are in the process of becoming standards and those that are enterprise specific are described in the following para graphs DocsDev is the menu heading for a category of MIB variable groups These groups reside under additional MIB group sub headings of which reside under the MIB variable table name DocsDevMIBObjects The following paragraphs include the SNMP Syntax Set Get Response and or Status
164. then a Time Request has been transmitted and no response has yet been received If waiting ForTftp 6 then a request to the TFTP param eter server has been made and no response received If refusedByCmts 7 then the Reg istration Request Response exchange with the CMTS failed If forwardingDenied 8 then the registration process completed but the network access option in the received config uration file prohibits forwarding 4 24 302693 B Rev 00 Troubleshooting Dhcp Time Tftp ConfigFile Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsDevServerDhcp IP Address The IP address of the DHCP server that assigned an IP address to this device Returns 0 0 0 0 if DHCP was not used for IP address assignment docsDevServerTime IP Address The IP address of the Time server RFC 868 docsDevServerT ftp IP Address The IP address of the TFTP server responsi ble for downloading provisioning and config uration parameters to this device docsDevServerConfigFile DisplayString The name of the device configuration file read from the server 302693 B Rev 00 4 25 CMTS 1000 Installation Manual V1 2 Docs EventLog The Docs EventLog is the menu heading for a category of MIB variable groups
165. tton allows you to enable disable or edit the Baseline Pri vacy Configuration settings 3 8 302693 B Rev 00 Startup Operation Procedures Print Reports The Print Reports button when implemented will allow you to print spe cific reports about the data over cable network such as network parameter access rights bandwidth assignment etc Admin The LCn Control Panel s Admin tab as shown in Figure 3 5 includes Users Keys MIB Objects Serial Numbers Modify Server and Import Database options allowing access to these editing functions Figure 3 5 LCn Control Panel Admin Tab Users The User option enables you to add edit or delete an LCn user For edit ing or deleting the administrator selects the LCn user from the Users table This table is a list of all LCn users in alphabetical order 302693 B Rev 00 3 9 CMTS 1000 Installation Manual V1 2 Keys MIB Objects The Keys option enables you to add edit or delete the authorization key that is used to ensure that only an authorized server provides parameters to the cable modems It uses an MD5 digital signature to authorize all param eter assignments Unlike the MIB Objects tab on the LCn Control Panel which allows you to create and maintain SNMP Filters enable and disable MIB variables and assign values to MIB variables through the LCn the MIB Objects button of the LCn Control Panel Admin Tab allows you to import new MIBs and edit estab
166. tus entry for the MIB variable in the IccmtsDPStatisticsInfo table IcDPStatisticsInterval Variable Name Set Get Response Status Description IcDPStatisticsInterval Number Controls the interval at which data rates are calculated on the CMTS 302693 B Rev 00 Troubleshooting IcDPStatisticsEntry The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the IcDPStatisticsEntry table dot1dTpPort Variable Name Set Get Response Status Description TxFrameRate Variable Name Set Get Response Status Description RxFrameRate Variable Name Set Get Response Status Description dotldTpPort Number The port number of the port for which this entry contains Transparent Bridging Manage ment information IcDPStatisticsTxFrameRate Number The last calculated frames per second transmitted on this port IcDPStatisticsRxFrameRate Number The last calculated frames per second received on this port 302693 B Rev 00 4 93 CMTS 1000 Installation Manual V1 2 TxOctetRate Variable Name Set Get Response Status Description RxOctetRate Variable Name Set Get Response Status Description IccmtsDPConfigurationInfo IcDPStatisticsTxOctetRate Number The last calculated octets per second transmitted on this port IcDPStatisticsRxOctetRate Number The last calculated
167. uplex mode This table provides a maintenance history area where notes about the device may be stored The contents of this table are entirely for human ben efit and have no effect on the operation of the device Up to 8 entries of up to 80 characters each may be stored The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the LcSticky YellowEntry table Index Variable Name Set Get Response Status Description IcSticky YellowIndex Number Provides an index by which to distinguish up to eight lines of text 4 106 302693 B Rev 00 Troubleshooting Pad Variable Name Set Get Response Status Description Icdevicecommoninfo IcSticky YellowPad DisplayString Contents of this object are for the benefit of a human operator and may be used for any information such as maintenance history that the operator wishes to associate with the device Contents of this object have no effect on the operation of the device Setting this object to any non null value either creates the row overwrites previous text Setting to the null string deletes the row Sets longer than 80 characters are truncated The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the Icdevicecommoninfo table Filename Variable Name Set Get Re
168. us Function arrow and Ctrl keys as Terminal Keys Append LF line feed to incoming line ends Using CMTS 1000 Command Line Interface CLI CMTS 1000 CLI Commands Table 4 1 provides a brief overview of the CMTS 1000 s CLI commands with descriptions Refer to CMTS 1000 Release Notes V1 2 305472 B Rev 00 for detailed descriptions of the CMTS 1000 s CLI commands 302693 B Rev 00 4 5 CMTS 1000 Installation Manual V1 2 Table 4 1 CMTS 1000 CLI Commands Command Description help Prints the console commands help lt command gt Prints detailed help on the commands authentication Sets authentication screen bp Sets displays baseline privacy information community Modifies adds or deletes CLI session community elog Displays the event log This is particularly useful because it shows when modems go off line exit Exits the consoles session get Gets an SNMP object ipaddress Sets displays IP addressing logout Exits the consoles session Manage Manages the MIB modems Displays the modems that the CMTS is currently seeing and whether each modem has registered Note that when a modem goes off line it disappears from this table The index numbers in the table always increment which lets you see whether modems went off line Equivalent MIB docslfCmtsCmStatusTable which gives you more information more When mode is on allows controlled access to mo
169. v 00 CMTS 1000 Installation Manual V1 2 InvalidRegistrationResp T1Timeouts T2Timeouts T3Timeouts Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description Variable Name Set Get Response Status Description docsIfCmsStatusInvalidRegistrationResp Number Number of times the CM received invalid registration response messages docsIfCmStatusT 1Timeouts Number Number of times counter T1 expired in the CM docsIfCmStatusT2Timeouts Number Number of times counter T2 expired in the CM docsIfCmStatusT3Timeouts Number Number of times counter T3 expired in the CM 302693 B Rev 00 Troubleshooting T4Timeouts Variable Name Set Get Response Status Description RangingAborteds Variable Name Set Get Response Status Description ifCmServiceEntry docsIfCmStatusT4Timeouts Number Number of times counter T4 expired in the CM docsIfCmStatusRangingAborteds Number Number of times the ranging process was aborted by the CMTS The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of the status entry for each MIB variable in the docsIfCmServiceEntry table The attributes are described for each upstream service queue on a CM Describes the attributes of an upstream bandwidth service queue An entry
170. ve been used to transmit data PDUs in immedi ate contention mode This includes only those PDUs that are presumed to have arrived at the headend 1 those that were explicitly acknowledged It does not include retrans mission attempts or mini slots used by Requests docsIfCmServiceTxSlotsDed Number The number of upstream mini slots that have been used to transmit data PDUs in dedicated mode i e as a result of a unicast Data Grant docsIfCmServiceTxRetries Number The number of attempts to transmit data PDUs containing requests for acknowledg ment which did not result in acknowledg ment 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 TxExceeded Variable Name Set Get Response Status Description docsIfCmServiceTxExceeded Number The number of data PDUs transmission fail ures due to excessive retries without acknowledgment RqRetries Variable Name docsIfCmServiceRqRetries Set Get Response Status Number Description The number of attempts to transmit band width requests which did not result in acknowledgment RqExceeded Variable Name docsIfCmServiceRqExceeded Set Get Response Status Number Description The number of requests for bandwidth which failed due to excessive retries without acknowledgment 4 62 302693 B Rev 00 Troubleshooting ifCmtsMacEntry The following paragraphs include the SNMP Syntax Set Get Response and or Status and a general description of th
171. ver The format used by DHCP servers is not standard Thus the DHCP table must be generated in a format that matches the one required by the run time component DHCP Directory Enter the name of the DHCP Directory This field allows you to define the directory in which the DHCP Server software is installed Entering Device Parameters The following sections describe the basic procedures for adding networks cable modems and cable modem termination systems to the DOCSIS LCn Provisioning Server database Network Parameter Editing Before you add devices CMs and CMTSs to your LCn Provisioning Server you need to set up networks to which they will be assigned Select the Networks option from the LCn Control Panel s Devices Tab LCn displays the Networks Screen shown in Figure 3 9 302693 B Rev 00 3 17 CMTS 1000 Installation Manual V1 2 amp Networks Figure 3 9 Edit Networks The following fields appear on this screen Network Name The Network Name window displays a list of the network names in alphabetical order Edit This option displays the Network Parameter editing screen When you select a network the LCn displays the associated data on the parameter editing screen If no network is selected a blank screen is displayed Add This option is used to add a new network to the system You do not have to enter a network name The next screen to be displayed is the network parameter editing screen As no network ha
172. will be automatically renewed Time Zone The entry in this field is the timezone It is updated from the timezone s table of the database It is used in the time stamps in the CMTS event log Daylight Savings Time Check this box when daylight savings time is used in this locale It is used in the time stamps used in the CMTS event log IF Downstream The forward frequency entered in this field in MHz is the one used by all CMs in this network IF Upstream The return frequency entered in this field in MHz is the one used by all CMs in this network Modulation This option allows you to add a Modulation Profile for this CMTS A Mod ulation Profile must be created using the LCn Control Panel MIB Objects Tab Modulation option button before you can add a Modulation Profile to a CMTS 3 40 302693 B Rev 00 Startup Operation Procedures LLC Filters IP Filters SNMP Write MIB Objects NMAccess This option allows you to add a Logical Link Control LLC filter to all CMs on this network An LLC filter must be created using the LCn Control Panel MIB Objects Tab Filters option before you can add a filter type to a CMTS This option allows you to add an Internet Protocol IP filter to this CMTS An IP filter must be created using the LCn Control Panel MIB Objects Tab Filters option before you can add an IP Filter to a CMTS The entry in this field is the SNMP community to which the CMTS belongs for SNMP Sets
173. y Net works Cable Modem Termination System 1000 The automatic installation of Cable Modem 100s CM 100s at end user sites is the goal of this manual To achieve this goal the following basic steps are described 1 Attaining a reasonable cable plant 2 Properly configuring the DOCSIS LCn Provisioning Server 3 Properly installing the CMTS 1000 The result of achieving the above steps will be Every CM 100 will automatically install itself 302693 B Rev 00 1 1 CMTS 1000 Installation Manual V1 2 Cable Plant Issues There is no simple formula to follow when configuring cable plants for cable modems However the goals are as follows e Keep the Carrier to Noise Ratio C N to 25 dB or better at all points on the cable The allowable number of combined runs depends on this ratio e Keep the number of translators per modem at a reasonable ratio for performance and cost To make a firm recommendation it is necessary to take actual measure ments on the cable plant The options that can be taken depend on the actual system parameters In general every time you double the number of runs combined at the head end it is accompanied by a 3 dB loss in C N The first 3 dB loss occurs when 2 runs are combined the next 3 db loss from 2 to 4 etc The limit of combined runs is reached when the loss is great enough so that the C N Ratio hits 25 or lower In a new installation with only a few cable modems installed combining
174. y Networks Private MIB Extensions The CMTS 1000 is also network upgradable via the Trivial File Transfer Protocol TFTP Optivity Network Management System The CMTS 1000 is fully manageable from Bay Networks industry leading Optivity network management system application This powerful tool offers comprehensive status and overall network health information at a glance Thresholds can be set in the CMTS 1000 and are continuously monitored If a threshold is exceeded an alarm or SNMP trap message is sent to the designated network management station Reports can be gener ated based on traps as well as events Interoperability Bay Networks has always been an advocate of standards as well as multiv endor systems and networks The CMTS 1000 will interoperate with any DOCSIS compliant cable modem such as Bay Networks CM 100 1 10 302693 B Rev 00 General Description Specifications Installation and Operating Environment Packaging Type Dimensions HxWxD Weight Operating Temperature Storage Temperature Humidity Input voltage Input power Ethernet Connectivity Performance Forwarding rate Ethernet filtering rate CATV filtering rate per port Distance Supported Transit Delay Headend to most distant CM Allowable round trip delay 19 inch rack mount or stand alone 2 62 x 17 35 x 16 56 in 6 65 x 44 0 x 42 0 cm 18 lbs Ox to 40xC 40 to 66 C 10 to 90 noncondensing 88 to 264 VAC 47 63 H
175. z or 48 VDC 100 W 10 100 Base T with autonegotiate and dual redundant PHY connections Better than 50 000 pps 148 000 pps 14 000 pps up to 0 800 msec 1 6 msec Supports distances up to 100 miles over typical Hybrid Fiber Coax HFC cable plants 302693 B Rev 00 CMTS 1000 Installation Manual V1 2 RF Electrical Specifications Downstream Upstream RF channel spacing Frequency range Modulation Symbol rate Information rate Forward error correction Output signal range Return loss Transmit output power accuracy Output impedance RF channel spacing Frequency range Modulation Information rate Forward error correction Receive input level Regulatory Specifications 6 MHz 88 to 860 MHz band edges 64 QAM or 256 QAM 5 056941 Msymbol sec or 5 360537 Msymbol sec 27 Mbps or 38 Mbps Reed Solomon 50 to 61 dBmV 14 dB 1 dB 75 ohms Variable 200 KHz to 3 2 MHz 5 to 42 MHz band edges QPSK or 16 QAM 0 320 to 10 24 Mb s without FEC enabled Concatenation of Reed Solomon Block Code and Trellis Code 4 to 26 dBmV operator configurable UL CSA FCC B EN60950 CE pending 302693 B Rev 00 General Description Filtering Options Link layer MAC addresses Ethertype LSAP IP layer Masked source and destination IP address protocol Transport layer UDP and TCP source and destination port ranges Ordering Information DE3801E01 Bay Networks Cable Modem Termination Syst

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