METRObility Optical Systems 8100 User's Manual
Contents
1. ar Lee CTY HEE Kul Pia ort all rium ELED Foa en 5 bass Fe emam 08208 axpes gt LUIURONANU RO QU eter URL Ha Din 2 mui Me Fei eei H Security Intrusion 34 CenturyStack 8100 Managed Hub Ee I nn fia a a waa av n Em Cokie CONDEDIDRROE a la a pr Dim UT ipera iniri mdi Dim SE E Mil Fn CN Theiner pump 3 Daie UN OESEODULOUIE i ria rre m Dae EI II Pei brimi 2E Mu r kan laia Yr dmn Zenit E Dhake EE eed DM BE lji prr preteen Diz PR b ri ara a i rabi Dime mm Bee MIIIMMRANRON NO jis ew tema Ln Ak 12 Cimbi CE Ped Detevied Fia Hrem lis ET agora rm 31 con Security Intrusion 2 To configure Security Intrusion 1 Select a port number from the Port Number drop down list Set the Intrusion Status Set the Intrusion Auth Address Auto Learn Enter the Intrusion Auth MAC Address2. TI II EE ry Cr 1 ims m e T5175 Bh Address Search In Use 6 Repeat Steps 1 4 for as many addresses to be searched Address Search Information Search Index Index number 1 8 Address Searched MAC address to be searched Address Search Lock This number will increment by one if the search lock is successful Search Status will be set to In Use if the entry is free and available Address Search Status Address Search Group Group number where address has been located Address Search Port Port number where address has been located Address Search Owner Set to Web if the entry is free and available 44 CenturyStack 8100 Managed Hub Broadcast Storm Protection The CenturyStack Hub periodically monitors the broadcast counters of each hub port to detect a broadcast storm condition If a hub port is detected to be causing a broadcast storm the following actions can be taken 1 sending a trap 2 partition the port or 3 both sending a trap and partitioning the port The Hub continually monitors those ports that have been partitioned to check if the broadcast storm condition still exists The partitioned hub port is auto recovered to normal operation once the broadcast storm condition is released ME u irpo a 1 Lad LEM kepere Se Arin ir a 11 fignum far Be
3. 8 Remote Network Monitoring RMON sees 8 MIB Browser Management essere 8 Web based Management 2 8 SNMP Management Systems esse 8 RMON Support ss seeen ena 9 RMON Statistics Group 2 9 RMON History Group esee 9 RMON Alarm 10 RMON Event Group cete eet ten res 10 Gettin Started TER E 13 Web Based Management Requirements 13 HomePage 13 Trap Will W 5 3 nce Sad esie rte ete e tei 15 Device Panel i open 17 Port leone ces eU ne HE 17 Cascaded Hubs iih iti ptr ee 17 System Information 18 Management Setup eese eese eese eee 19 Network Configuration 19 Ethernet Menu e as ES 19 Slip Menu eese 20 Serial Port Configuration sss 21 Console eise itte rete 21 Out of Band 8 22 SNMP Community di den er 23 Trap 24 Controlling CenturyStack Hubs eese sees eee eene 25 Group Control 5 26 Port Control eee e 28 Switch Module Control essere 30 2 3port Bridge Module C
4. 1 Peri m r Bnar B 1 EL mm ue mo 1 Fimi Lun n a xL Ih PE Farm Ua Fans 1 Les all E Port ie k n Boe a rim cm Boor T n 1 Lun a Fam lin In a Address Search Information Menu The user can search a MAC address by entering search parameters including Search Index Address Searched and Address Search Status The syntax and semantic checking is performed to verify the source search parameters input by the user See below for a description of search parameters To perform an address search Enter an Index number in the Search Index field at the bottom of the Address Search Information Menu 2 Type in the source MAC address to be searched Monitoring the Network 43 3 Save command to get the owner of this entry If the entry is free and available the Address Search Lock is increased by 1 Address Search Status is set to In Use and Address Search Owner is set to Web as shown below Otherwise the request to own the entry is rejected 4 After executing the Save command please wait for a few seconds and press Save again to get the search result z i ji B os Vo x i PEREPUIED d eor Inipemation an E KESAN
5. NOTE If the CenturyStack Home Page does not load 1 Review Network Configuration in the Lancast Century Stack 8100 Managed Hub Installation and User Guide 2 Check the hub s IP Address using the Mini Consoles From the main menu select System Info The IP Address displays check this against the IP Address you enter in your Web Browser CenturyStack 8100 Managed Hub Window Trap Window is loaded when web connection is made to CenturyStack hub The Trap Window is used to indicate any trap messages from the device The Trap Window can be closed When the Trap Window up users can use the two menu items Display and Buffer as follows Display The CenturyStack management Trap Window displays a maximum of up to 100 traps The Display menu has 3 sub menus Pause Pauses the display Continue Continue to display the trap messages Clear Clears the trap messages Buffer CenturyStack management stack also provides a trap buffer to store the most recent trap messages up to 100 traps Users can use the following menus to manage the trap messages in the buffer Delete Deletes all the trap messages stored in the trap buffer Dump Dumps all the trap messages stored in the trap buffer to the Trap Frame Trap Frame 192 132 65 1 Bie Display Buffa Arx Java Applet Window Trap Window Getting Started 15 following traps sent to the Trap Frame window
6. Set the Intrusion Action Save Ov Ode Security Intrusion Control Status Group Number Hub ID of a hub in the stack Port Number Number of the port that is selected in the Group Number configuration Enabled Disabled Enabled Disabled Intrusion Control Intrusion Address Auto Learn Intrusion MAC Address Type in the intrusion MAC address Intrusion Action No Action Send Trap Partition Port Both Controlling CenturyStack Hubs 35 36 CenturyStack 8100 Managed Hub Monitoring the Network CenturyStack network management enables users to monitor network statistics counters Counters can be monitored in relative and absolute values Counters can be monitored for each segment each group and each port The Network Monitoring Menu also enables Address Search and Tracking and configuring Broadcast Storm Protection Group Statistics Information The Repeater Group Statistics Information Menu displays statistic counters for each group Statistics Information Menu Monitoring the Network 37 view Repeater Group Statistics counter select group 1 6 from the Group Number drop down list Next select the Display Mode and select Submit to load the counters for the selected group Repeater Group Statistics Counters Group Number Selected group s Hub ID Display Mode Counter values in Absolute Relative terms Total Frames Total frames received Total Errors Total errors Total Oc
7. SNMP Community Setup Menu allows setting up a maximum of six Community Names setting Access Right and Status Um Ursus nikam 4 mana Fred ndr c o emr h iamm dm Id MeL m eyu ai law le xn SNMP Setup Menu To setup an SNMP community enter a valid SNMP Community name in the SNMP Community Name field Set the Access Right Read Only or Read Write and Status then select Add A valid community name is a community name that already exists in the network When editing an existing name use the Save button to update the configuration To delete a community name enter its string and select Delete Management Setup 23 Receiver The Trap Receiver Setup Menu allows setting up a maximum of six trap receivers Users can setup trap receivers to receive traps when network violations occur Ioa dn 3 m EEE TT TE EEE TT EEE DL ALDEA Baie Lose 1 manir 1 a lewan Dile der L mnm um i su puram HEEE BEXE m 21 a waren Dna Trap Receiver Setup Menu To set up Trap Receivers enter an Index number a SNMP Trap Receiver Name the SNMP manager IP Address of the trap receiv
8. are any Monitoring the Network 41 42 Address Tracking Information Group Number Port Number Repeater Group 1 6 Port number of selected group 1 12 24 Source Address Change This counter is incremented by one for each time that the Last Source Address for this port has changed Last Source Address The Source MAC Address of the last readable frame received by this port Source MAC Address Tracking List A list of source MAC addresses that were recently received on this port The first Source MAC Address i e 00 0 95 00 00 00 in the tracking list contains the value that is given by the Last Source Address for this port CenturyStack 8100 Managed Hub Address Search Information CenturyStack network management provides source MAC address search capability This active address tracking capability is used to watch for a given MAC address and report which port on which it was seen This capability can also be used to collect the necessary information for mapping the topology of a network Up to 8 MAC address can be searched simultaneously DELLTICCIDIDNDIICID T TE Le i eg a ep Min run C iste aran E kana av trana Errem TETTE E ew Mone To deum cet aono 1 m mr a mem 1 En K
9. event community Name of the Event Owner Event Status No Change valid underCreation invalid CenturyStack 8100 Managed Hub Statistics Information The RMON Statistics Information Menu displays statistics counters in Absolute or Relative values for 10Mbps segments and 100Mbps segments To view statistics information select an Ethernet Statistics Index from the drop down list Select the Display Mode and click Submit The statistics display TE HE HE l i 0 pe pem Biar a 4 dox 4 1 m Sere Dima 1 P im XX o Bikin d m k cms ban n FEEL TAME KETAN Almanan TEEN 60 Rm CETE rem Dill CE o Frome 1 ETEEN 1 Mr TEEN T Statistics Information Menu Statistics Information lists the available statistics counters Refer to the table on the following page Remote Network Monitoring 63 64 Statistics Information Index Display Mode 1 10M segment 2 100M segment Absolute Relative Data Source 10M segment 100M segment Owner The name of the Statistics group Status Valid Readable Frames Total readable frames received by the segment Multicast Fram
10. is generated This function generates one event as a threshold is crossed in the appropriate direction No more events are generated for that CenturyStack 8100 Managed Hub threshold until opposite threshold is crossed The Hub provides the threshold control function to support the RMON Alarm Group Up to 16 Alarm Control Entries can be created The syntax and semantic checking are performed to verify the value input by the user before it can be set to the object of Alarm group The valid Alarm Group configuration data is saved into the system NVRAM The Hub periodically monitors the threshold value of those counter objects that have been specified as the RMON Alarm Variable The associated RMON event is raised and the proper event action is performed when the value of the counter object crosses its threshold value as specified in the RMON Alarm Threshold object P KA TER Alarm Group Configuration Menu Remote Network Monitoring 55 configure Alarm Group 1 Enter the number in the Alarm Group Index for Creation field 2 Select Add After selecting Add the newly added index number shifts from the For Creation field to the For Modification and Deletion field and is ready for modification 3 Configure the remaining fields 4 Select Save Alarm Group Configuration Menu 2 The following table explains the meaning of each field in th
11. then a single event is generated After a falling event is generated another falling event is not generated until the sampled value rises above this threshold and reaches the Alarm Rising Threshold Alarm Rising Event Index Index of the event entry that is used when the Rising Threshold is crossed Alarm Falling Event Index Index of the event entry that is used when the Rising Threshold is crossed Alarm Owner The entity that configured this entry and is using the resources assigned to it Alarm Status Valid underCreation invalid Remote Network Monitoring 57 1 td dizan lc ume mrm Ee Event Group Configuration Menu 3 The Counter Ids as shown below are explained as follows EtherStats DropEvents The number of times drop events have been detected due to lack of resources EtherStats Octets The total number of octets of data including those in bad packets received on the network excluding framing bits but including FCS octets EtherStats Pkts The total number of packets including bad packets broadcast packets and multicast packets received EtherStats Broadcast Pkts The total number of good packets received which were directed to a broadcast address NOTE this does not include multicast packets EtherStats Multicast Pkts The total number of good packets received which were directed to a multicast address NOTE this number does not include pac
12. ColdStart The system is re initialized and may be altered from a previous state LinkDown A failure in one of the communications links LinkUp communication link has come up AuthenticationFailure An unauthorized SNMP manager is detected RptrGroupChange repeater group has been either added or removed RptrResetEvent repeater function logic has been reset risingAlarm RMON alarm entry has crossed its rising threshold fallingAlarm RMON alarm entry has crossed its falling threshold hubGrpLastChangeTrap The value of the Group Last Change has been changed hub3PortBridgeExtPortLinkStsChtgTrap link status of the 3 Port Switch Modules s external port has been changed between link up and link down HubRdntLinkSwitchOverTrap The active link of the redundant pair has been changed or switched over HubPortSeculntrTrap An intruder was detected for a particular port HubPortBcastAlarmTrap The broadcast packet rate of a given port is over the specified threshold value HubOptionalModuleBcastAlarmTrap broadcast packet rate of a given optional module is over the specified threshold value 16 CenturyStack 8100 Managed Hub Device Panel device panel that emulates the front panel of the CenturyStack managed hub is loaded in the Device Panel window in the web browser application The device panel uses Java applets to display the utilization information that is displayed in the Mini Con
13. E TT EEE a p n Di ey Sirgen Corp Eral Cr akir cm Fee Bi reel ac E rl Us Seo tart Siege li razi li ral mi Biel 5 zz Pe zu le Repeater Group Control 26 CenturyStack 8100 Managed Hub lI pe gt H ETITILTCNENHN es HEZE M 5 0 7 2 Ezidl iuis Y zi aen kana Lili ae Ae TIM F j sekinl a T ba Er s r Repeater Group Control 2 To configure the Repeater Group Control first select a group 1 6 and click the Submit button to load the configurations for the selected group Next configure the items listed below and select Save to update the new configuration Repeater Group Control Group Admin State No Change Enable 10M Enable 100M Enable All Disable All Group Reset No Change Reset All Functions Only Counters Only Group Name A name of up to 28 characters Controlling CenturyStack Hubs 27 Port Control The Repeater Port Control Status Menu displays status information for each port of each linked repeater This menu allows enabling or disabling the Administration State setting the Speed Control and enabl
14. Lancast CenturyStack 100 Managed Hub 10 100Mbps ContunyStack iD 10100 Dual pood Ethernet Huh Trib LAHCAST ine Drie HH TEL 800 19 13 Network Guide E ETRObility optical systems 1998 1999 METRODbility Optical Systems rights reserved Printed in USA This publication is protected by the copyright laws of the United States and other countries with all rights reserved No part of this publication may be reproduced stored in a retrieval system translated tran scribed or transmitted in any form or by any means manual electric electronic electromagnetic mechanical chemical optical or otherwise without prior explicit written permission of METRObility Optical Systems Inc Lancast and CenturyStack are registered trademarks of METRObility Optical Systems Inc All other trademarks appearing in this manual are the property of their respective owners The information contained in this document is assumed to be correct and current The manufacturer is not responsible for errors or omissions and reserves the right to change specifications at any time without notice Managed CenturyStack 10 100Mbps Hub Network Management Guide Introduction C A 7 Overview of Managed CenturyStack 8100 Hub 7 Network
15. MON and Web Based Management Introduction 7 Network Management The Managed CenturyStack Hubs offer extensive management functions including local console remote telnet RMON Management MIB Browser Management Web Based Management and SNMP Management Remote Network Monitoring RMON Remote Monitoring allows users to monitor LANs remotely Users can remain at one station and collect information from many different LANs Managed CenturyStack supports Remote Network Monitoring and enables the user to set up for RMON using Web Based Management MIB Browser Management Managing CenturyStack Hubs through a MIB browser can be an eco nomical alternative MIB browsers are easy to obtain and often available as shareware or are put on management platforms such as HP OpenView or SNMPc Management Information Base MIB browsers are simple utilities for monitoring and configuring the MIB objects supported by Managed CenturyStack Web Based Management Managed CenturyStack Web Based Management enables users to monitor and manage the hubs using the familiar interface of a web browser For more detailed information refer to Chapter 1 of this guide SNMP Management Systems SNMP is a standard management protocol that is supported on many general network platforms such as SunNet Manager HP OpenView for UNIX HP OpenView for NT SNMPc and others NOTE The SNMP agent TCP IP stack and the Web engine are implemented on the 10Mbps bus of the mas
16. Owner of the event community No Change valid underCreation invalid Log Time Log Description The time to record the log Description of the log Remote Network Monitoring 69 System Ulility The System Utility Menu provides the function System Restart The system can be restarted at any time without loss of settings System Restart The System Restart Menu allows the user to reset the system with a Warm start A warm restart only reloads the system software n irh Caution Omer yar ran nerina will In rrizasril Yos can nelli Into system after J xecenids lt System Restart 70 CenturyStack 8100 Managed Hub Additional Information Agency Compliance Product Safety and Compliance Statements This equipment complies with the following requirements UL CSA e EN60950 safety e FCC Part 15 Class e EN55022 Class A emissions e EN50082 1 immunity This product shall be handled stored and disposed of in accordance with all governing and applicable safety and environmental regulatory agency requirements Radio Frequency Interference Statements FCC Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for Class A digital device pursuant to Part 15 of FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment
17. 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 communication Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense CAUTION Changes or modifications to this equipment not expressly approved by the party responsible for compliance could void the user 5 authority to operate the equipment Canadian Radio Frequency Interference Statement This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Additional Information 71 Standards Compliance EEE 802 3 IOBASE T 10 5 Ethernet e 802 30 100BASE TX Ethernet RFC 1213 MIB II RFC 1516 Repeater MIB Proprietary MIBs 1757 RMON Group 1 2 and 9 n Band and Out of Band Management e VT 100 Terminal Interface support Warranty and Servicing Information METRObility Optical Systems Inc warrants the CenturyStack 8100 Managed Hub to be in good working order for a period of THREE YEARS from the date of METRObility shipment Should the unit fail anytime during said three year period METRObility will at its option replace or repair t
18. an configure and save the Secondary Link Group and the Primary Link Group as the same hub however this will be of no use in the event of a hub failure 5 Enter the Secondary Link Port 1 12 24 32 CenturyStack 8100 Managed Hub 6 Enable the Link Switch Over Notify Optional Enable the Status 8 Select Save to update the new Linked Pair Repeat these steps for each Link Pair a Editing a Link Pair Users can edit a Link Pair by entering the Link Pair number of an existing Link Pair and reconfiguring the rest of the columns then select Save The Link Pair is updated to the new settings Deleting a Link Pair Users can delete a Link Pair by entering the Link Pair number of an existing Link Pair and setting the Status to Invalid then select Save The Link Pair is removed Controlling CenturyStack Hubs 33 Intrusion Control The Security Intrusion Control Status Menu allows setting up security features Intrusion control is a MAC address based capability to prevent any unauthorized nodes from accessing the network The hub monitors those nodes that have been secured by the security control function When a security violation is detected a trap may be raised The trap will be sent to the network manager to report the event and the port may also be disabled DELILICILCICSLIILLITUI O 800 2 LIE ur men l E Mamb e d sar Ln Nl Wiar h hirea
19. ap messages In this case the community for the trap message is given in the associated event Community The specific trap fields of the trap are determined by the condition that triggered the event Two traps are defined rising Alarm and falling Alarm If the event Table is triggered by a condition specified elsewhere the enterprise and specific trap fields must be specified for traps generated for that condition Users can create up to 32 Event Entries LEIIL ITILCILLILUITLII RI E a j m Ae a fie 4 AMON Event Grows Conf iqurat on Menu Tez alin Event Group Configuration Menu Remote Network Monitoring 61 62 To configure 1 N the Event Group Enter an index number in the Event Group Index field Enter a description Select the Event Type Enter a valid Event Community name Enter the Event Owner name Set the Event Status to valid Select Add to add the Event Group After saving an Event Group the configuration is written under Current Configurations The New Configuration is empty and available to enter another Event Group See below Event Group Index The event group index number Event Description Event Type Event description No Change Event None Log Trap Log amp Trap Event Community Event Owner Name of a valid
20. are information and configure the following system configurations System Contact System Name and System Location Ar 04 3 zh yis 4 3 x Eat Puma um aim hasu can LL Le 1 Aliy x HETE TET EN HEHE TT TT 151141224111 1 kr 458 m n ur Menr w n a u k r HECLTS7 und Pi ag rkerara ETTI TT P ge Pa ee oe ee MEd al urd System Information The following System Information is configurable System Contact Character string up to 48 bytes System Name Character string up to 48 bytes System Location Character string up to 48 bytes System information can be set by the user allowing others viewing the device to know who is responsible for the device where it is located and the system name i e accounting hub 18 CenturyStack 8100 Managed Hub Management Setup Network Configuration The Network Configuration Menu enables users to configure connections to the CenturyStack hubs The Ethernet Menu is used to setup Ethernet connections The Slip Menu is used to setup slip connections The Console Menu is used to setup console or serial connections The SNMP Community Setup Menu is used to setup SNMP Communities and the Trap Receiver Menu is
21. but including FCS octets Group Counter Group counter is an entry in the table Group counter contains total performance and error statistics for a single group Regular retrieval of the information in this table provides a means of tracking the performance and health of the CenturyStack attached to this group s ports The counters in this table are redundant in the sense that they are the summations of information already available through other objects However these sums provide a considerable optimization of network management traffic over the otherwise necessary retrieval of the individual counters included in each sum Port Counter Port counter is an entry in the table It contains performance and error statistics for a single port 60 CenturyStack 8100 Managed Hub Event Group Configuration The Event group controls the generation and notification of events from the CenturyStack Each entry in the event Table describes the parameters of the event that can be triggered Each event entry is fired by an associated condition located elsewhere in the MIB An event entry may also be associated with a function elsewhere in the MIB that will be executed when the event is generated For example a channel may be turned on or off by the firing of an event Each event Entry may optionally specify that a log entry be created on its behalf whenever the event occurs Each entry may also specify that notification should occur by way of SNMP tr
22. e Alarm Group Configuration Menu 56 CenturyStack 8100 Managed Hub Alarm Group Configuration Alarm Group Index creation modification amp deletion Create a new alarm group number Select an existing alarm group to monitor or edit Variable Category RMON rptr group rptr port Alarm Index The current alarm group index number Alarm Variable Category Read only Alarm Interval The time in seconds over which the data is sampled Alarm Sample Type Absolute Delta Alarm Value Alarm Startup Alarm Rising Threshold Value stored is compared to the threshold level Value stored is compared to the difference between the variable at the last sampling and its current value Value of the statistic during the last sampling period No Change Rising Alarm Falling Alarm Both Alarms Threshold for the sampled statistic When the current sampled value is greater than or equal to this threshold and the value of this sample at the last sampling interval was less than the threshold then a single event is generated After a rising event is generated another rising event is not generated until the sampled value falls below this threshold and reaches the Alarm Falling Threshold Alarm Falling Threshold Threshold for the sampled statistic When the current sampled value is less than or equal to this threshold and the value of this sample at the last sampling interval was greater than the threshold
23. end Trap and Partition Alarm Status Invalid Enabled Disabled 46 CenturyStack 8100 Managed Hub Broadcast Storm Detected CenturyStack network management provides broadcast storm detection If a broadcast storm is detected the Broadcast Storm Detected Menu displays the detected broadcast storm Group number Port number or the group number of the optional module Monitoring the Network 47 48 CenturyStack 8100 Managed Hub Remote Network Monitoring The CenturyStack Hub fully supports RMON Management Group 1 2 3 and 9 Users can setup for RMON Management using Web Based Management or SNMP Management Described here is detailed information for RMON Group 1 2 3 and 9 as well as the operation with Web Based Management Remote network monitoring RMON probe is an instrument that exists for the purpose of managing a network The goals of RMON probe are described as follows Offline Operation There are sometimes conditions when a management station will not be in constant contact with its remote monitoring devices This is sometimes by design in an attempt to lower communications costs especially when communicating over a WAN or dial up link or by accident as network failures affect the communications between the management station and the probe For this reason this MIB allows a probe to be configured to perform diagnostics and to collect statistics continuously even when communication with the manage ment statio
24. er and set the Status When all information is entered select Add To edit an existing trap receiver enter its index number and the new information and select Save To delete a trap receiver enter its index number and select Delete Trap Receivers that have their Status set to Disable do not receive traps 24 CenturyStack 8100 Managed Hub Controlling CenturyStack Hubs Users can control Managed CenturyStack Hubs by selecting Device Control from the main menu The following lists the controls available and a brief description of the control Device Control Description Repeater Group Control Status Monitor and configure hubs in the stack Repeater Port Control Status Monitor and configure ports in the stack 2 3 Port Bridge Module Control Status Monitor and configure 2 3 Port Bridge Module s External AUI Module Control Status Monitor and configure External AUI Module s Redundant Link Control Monitor and configure Redundant Links Monitor and configure eavesdropping protection Security Intrusion The Bridge Module is also referred to as the Switch Module METRObility does not support the AUI module Controlling CenturyStack Hubs 25 Group Control The Repeater Group Control Status Menu displays status information for groups and allows enabling or disabling a group as well as naming and resetting the group k umur kun an mila Se HER
25. es Total multicast frames received by the segment Broadcast Frames Total broadcast frames received by the segment Packet Size 64 Total packets received by the segment of size 64 Packet Size 65 to 127 Total packets received by the segment of size 65 127 Packet Size128 to 255 Total packets received by the segment of size 128 255 Packet Size 256 to 511 Total packets received by the segment of size 256 511 Packet Size 512 to1023 Total packets received by the segment of size 512 1023 Packet Size1024 to 151 Total packets received by the segment of size 1024 1518 CRC Alignment Errors Total CRC alignment errors received by the segment Undersize Packets Total undersize packets received by the segment Oversize Packets Total oversize packets received by the segment Fragments Total fragments received by the segment Jabbers Total jabbers received by the segment Collisions Total collisions in the segment Readable Octets Total readable octets received by the segment Drop Events Total drop events in the segment CenturyStack 8100 Managed Hub History Information The History Information Menu enables users to view history information as configured in the History Group Configuration Menu mi RMON History Tefermation Manu hrana MU ILE J brar me rmn mint WA ade
26. existing index number with the new information for each field Then select Save to complete the modification RMON History Group Configuration Index A value from 1 65535 The value must be unique Not to be confused with Data Source Index Data Source 10 Mbps or 100 Mbps segment Bucket requested Number of sample buckets you want to collect and store The range is 1 to 65535 Bucket granted Number of sample buckets that will be collected and stored The number granted is affected by available resources 1 20 Interval Interval in seconds between bucket samples The range of the interval is 1 to 3600 seconds 1 hour The default is 1800 seconds Owner The entity that configured this entry and is using the re sources assigned to it A string of up to 12 characters Status Valid CreateRequest UnderCreation Invalid A valid status has all fields filled in Setting the status to invalid deletes the index Indexes with incomplete information in some fields automatically set the status as UnderCreation Alarm Group Configuration Alarm Group Configuration allows configuring alarms The Alarm Group periodically takes statistical samples from variables in the probe and compares them to thresholds that have been configured The alarm table stores configuration entries that each define a variable polling period and threshold parameters If a sample is found to cross the threshold values an event
27. he product This warranty is limited to defects in workmanship and materials and does not cover damage from accident disaster misuse abuse or unauthorized modifications Under no circum stances will METRObility be liable for any damages incurred by the use of this product including but not limited to lost profits lost savings and any incidental or consequential damages arising from the use of or inability to use this product If the product was purchased from an authorized METRObility dealer limited warranty service may be obtained by returning the product to the dealer Return the product in its original shipping container or equiva lent pre insured and with proof of purchase 72 CenturyStack 8100 Managed Hub Additional Information 73 METRObility optical systems 25 Manchester Street Merrimack NH 03054 USA tel 603 880 1833 fax 603 594 2887 www metrobility com 5620 810001 001 B 8 01
28. ing or disabling Link Status Change Notification for ports fem girm i 3 amp d m imi mma Hr fa dinin Fihi Creme Des Leni UR SEN e i Hmm ui wa Denali Link s Wien TE Liae i mies Im Fani pajp datin 0 pm a ML ME rr z dama irm Lic E EE M m Lak aae Peed Fire TE E venera Repeater Port Control 1 28 CenturyStack 8100 Managed Hub Link Dari min num Hi Kera Ki KA En 0M E i a EA Lr gt et 12 Pam Mim IL Tem n Bisq ET TEEN ne E PT i Lt Repeater Port Control 2 To configure repeater ports first select the group 1 6 and select Submit to load the configurations for the selected group Next select the port of the selected group that is to be configured Then configure the items listed below and select Save to update the new configuration Repeat for each port of each group Repeater Port Control Port Numbe
29. kets directed to the broadcast address 58 CenturyStack 8100 Managed Hub EtherStats Align Errors The total number of packets received that had a length excluding framing bits but including FCS octets between 64 and 1518 octets but had either a bad Frame Check Sequence FCS with an integral number of octets FCS Error or a bad FCS with a non integral number of octets Alignment Error EtherStats Undersize Pkts The total number of packets received that were less than 64 octets long excluding framing bits but including FCS octets and were otherwise well formed EtherStats Oversize Pkts The total number of packets received that were longer than 1518 octets excluding framing bits but including FCS octets and were otherwise well formed EtherStats Fragments The total number of packets received that were less than 64 octets in length excluding framing bits but including FCS octets and had either a bad Frame Check Sequence FCS with an integral number of octets FCS Error or a bad FCS with a non integral number of octets Alignment Error NOTE this is entirely normal for etherStatsFragments to increment This is because it counts both runts which are normal occurrences due to collisions and noise hits EtherStats Jabbers total number of packets received that were longer than 1518 octets excluding framing bits but including FCS octets and had either a bad Frame Check Sequence FCS with an integral nu
30. le Menu and Out of Band Menu Serial connections allow users to connect to the Hub while the hub is operating either by cable or modem Console Menu A Console Port connection is made by connecting a null modem cable between the hub and a PC A VT 100 emulator is needed to make the software connection between the two devices For Windows 95 users a terminal program HyperTerminal is provided under Accessories The following displays the required settings for the VT 100 emulator 7 E bl a ES SIEHE EE EET E ile Goo BS Serial Port Configuration Console Menu Management Setup 21 22 Out of Band Menu The Out of Band Menu allows setting up for connections to CenturyStack using a modem Users can configure the Baud Rate to attain the fastest speed available to both the hub and the modem E a a za nr i O E a mn n L 2 lere i will nan nab sare cb nei m Serial Port Configuration Out of Band Menu The following shows the configurations and the optional values available for this menu Out of Band Serial Port Configurations Configuration Options Baud Rate 1200 2400 4800 9600 19200 38400 Character Size Parity Stop Bits CenturyStack 8100 Managed Hub SNMP Community The
31. lli npe teen 70 System seo epe deg ete eiie 70 Additional Information e eee eee e eee eese eene 71 Agency Compliance ai me een fedens 71 REL Statements 71 Standards Compliance sese 72 Warranty amp Servicing sese 72 CenturyStack 8100 Managed Hub Overview of Managed CenturyStack 8100 Hub The Managed CenturyStack 8100 Hub is a series of auto sensing dual speed manageable and stackable hubs The Managed CenturyStack Series consists of masters and managed slaves with 12 or 24 ports The features and functions of the Managed CenturyStack make it a powerful cost effective solution for large campus networks and rapid growth companies models of the Managed CenturyStack accept slide in expansion modules adding more power and versatility such as Bridging 10Mbps and 100Mbps segments and extending distances up to 2 kilometers The 8112 01 M master model shown below includes a Network Management Unit NMU Mini Console 12 dual speed auto sensing ports 2 MDI II ports and a multi purpose expansion slot r 10 100 Mbps Dual Speed Ethernet Hub 4 4 wuw CenturyStack Hub 8112 01 M This manual describes how to manage the Managed CenturyStack Hub through supported Network Management features such as local console TELNET SNMP R
32. m Tamam es ee to asim dne Liim or tae amas dera oT Hiten Ceri teesr See di Hu TT Errem Unis cm tment Ee RMON History Information To view history information select an Ethernet History Index from the drop down list and click Submit To view a sample select an index number from the Sample Index drop down list and select Submit Remote Network Monitoring 65 1 gang ille kn emm imm Basil Fade id CIT EET a 1 amm a Ea I RMON History Information 2 66 CenturyStack 8100 Managed Hub History Information History Control Data Source 10M segment 100M segment History Control Owner Name assigned as the Owner History Control Bucket Request Number of sample buckets requested History Control Bucket Granted Number of sample buckets that were granted History Control Status Valid CreateRequest UnderCreation Invalid History Control Interval The interval in seconds between bucket samples Readable Frames Total readable frames received Drop Events The number of events in which packets were dropped by the monitor because of lack of resources Octe
33. mber of octets FCS Error or a bad FCS with a non integral number of octets Alignment Error EtherStats Collisions The best estimate of the total number of collisions on this Ethernet segment The value returned will depend on the location of the RMON probe Pkts 64 Octets The total number of packets including bad packets received that were 64 octets in length excluding framing bits but including FCS octets Remote Network Monitoring 59 EtherStats 65 to 127 Octets The total number of packets including bad packets received that were between 65 and 127 octets in length inclusive excluding framing bits but including FCS octets EtherStats Pkts 128 to 255 Octets The total number of packets including bad packets received that were between 128 and 255 octets in length inclusive excluding framing bits but including FCS octets EtherStats Pkts 256 to 511 Octets The total number of packets including bad packets received that were between 256 and 511 octets in length inclusive excluding framing bits but including FCS octets EtherStats Pkts 512 to 1023 Octets The total number of packets including bad packets received that were between 512 and 1023 octets in length inclusive excluding framing bits but including FCS octets EtherStats Pkts 1024 to 1518 Octets The total number of packets including bad packets received that were between 1024 and 1518 octets in length inclusive excluding framing bits
34. n may not be possible or efficient The probe may then attempt to notify the management station when an exceptional condition occurs Thus even in circumstances where communication between the management station and the probe is not continuous fault performance and configu ration information may be continuously accumulated and communicated to the management station conveniently and efficiently Proactive Monitoring Given the resources available on the monitor it is potentially helpful for it to continuously run diagnostics and to log network performance The monitor is always available at the onset of any failure It can notify the management station of the failure and can store historical statistical information about the failure The management station can play this historical information back in an attempt to perform further diagnostics of the cause of the problem Remote Network Monitoring 49 Problem Detection and Reporting The monitor can be configured to recognize conditions most notably error conditions and to continuously check for them When one of these conditions occurs the event may be logged and management stations may be notified in a number of ways Value Added Data Because a remote monitoring device represents a network resource dedicated exclusively to network management functions and because it is located directly on the monitored portion of the network the remote network monitoring device has the opportu
35. nity to add significant value to the data it collects For instance by highlighting those hosts on the network that generate the most traffic or errors the probe can give the management station precisely the information it needs to solve a class of problems Multiple Managers An organization may have multiple management stations for different units of the organization for different functions e g engineering and operations and in an attempt to provide disaster recovery Because environments with multiple management stations are common the Remote Network Monitoring device has to deal with more than one management station potentially using its resources concurrently 50 CenturyStack 8100 Managed Hub Statistic Group Configuration The Statistic Group Configuration enables configuring statistic groups Indexes can be edited saved added and deleted Statistics Group Configuration Menu Adding a Statistics Group To add an index item all the following must be entered Index Owner and Status otherwise the entry will not be saved To add an index item 1 UA pet pac k Enter an Index number in the Index field Set the data source Enter the name in the Owner field Set the Status Select Add Remote Network Monitoring 51 52 Deleting Statistics To delete statistics entry enter index number select Delete to remove the index item NOTE The default Index 1 2 cann
36. ontrol esses 30 Redundant Link Control eese 32 Configuring Link Pairs 2 32 Iank Patr n soy e leya Sin blra ere bee 33 Deleting a Link 33 Intrusion Control 34 Monitoring the Network cease eee esee esee eene kuna enero etna 37 Group Statistic Information sese 37 Port Statistics Information esee 38 Address Tracking kire eerte eerie tre trente 41 Address Search Information 43 Broadcast Storm Protection 45 Broadcast Storm Detected 2 47 Remote Network Monitoring eese esee eee ee eee eene nane tenen netto stone 49 Statistics Group Configuration 51 Adding a Statistics Group sees 51 Deleting a Statistics Entry 52 Modifying a Statistics Group 2 024 8 52 History Group Configuration E esee 53 Adding a RMON History Group 53 Deleting a RMON History Group 54 Modifying a RMON History Group u eee 54 Alarm Group Configuration E 54 CenturyStack 8100 Managed Hub Event Group Configuration 61 Statistics Information 63 History Information tette tee 65 Event E o7 etes 68 System 70 sso i5i Lak e
37. ot be deleted Modifying a Statistics Group To modify an existing index item enter the existing index number with the new information for each field Then select Save to complete the modification The following lists the configurable items in the Statistics Group Configuration Menu Statistics Group Configuration Index Any number Data Source 10 Mbps segment 100 Mbps segment No Change Owner Owner name of this entry Status Valid underCreation invalid CenturyStack 8100 Managed Hub History Group Configuration The History Group Menu provides a means of collecting the data gathered by the statistics group over time intervals and storing them for later retrieval History Groups can be monitored edited saved added and deleted with the History Group Configuration Menu If any fields are left blank the Status is saved as underCreation a History Group Configuration Menu Adding a RMON History Group To add an RMON History Group Enter a unique number in the Index field Select the Data Source Enter the number of Buckets Requested Enter an Interval Enter an Owner name Set the status to Valid Select Add Du a Remote Network Monitoring 53 54 Deleting History Group To delete a History Group enter the index number select Delete to remove the index item Modifying a RMON History Group To modify an existing index item enter the
38. p message to CenturyStack 8100 Managed Hub be issued Managed CenturyStack RMON Management enables users to set up Event Groups The Event Group Implementation of the Event Group is optional The Event Group controls the generation and notification of events from the hub Each entry in the event Table describes the parameters of the event that can be triggered Each event entry is fired by an associated condition located in the MIB An event entry may also be associated with a function elsewhere in the MIB that will be executed when the event is generated For example a channel may be turned on or off by the firing of an event Each entry may optionally specify that a log entry be created on its behalf whenever an event occurs Bach entry may also specify that notification should occur by way of SNMP trap messages In this case the community for the trap message is given in the associated event Commu nity object The enterprise and specific trap fields of the trap are deter mined by the condition that triggered the event Two traps are defined rising Alarm and falling Alarm If the event Table is triggered by a condition specified elsewhere the enterprise and specific trap fields must be specified for traps to be generated for that condition Users can create up to 32 Event Entries Introduction 11 12 CenturyStack 8100 Managed Hub Getting Started Web based Management Requirements Web based Management allows comprehensive moni
39. ps The Alarm Group periodically takes statistical samples from variables in the probe and compares them to thresholds that have been configured The alarm table stores configuration entries that define a variable polling period and threshold parameters If a sample is found to cross the threshold values an event is generated This function generates one event as a threshold and is crossed in the appropriate direction No more events are generated for that threshold until the opposite threshold is crossed Managed CenturyStack provides the threshold control function to support the RMON Alarm Group Up to 16 Alarm Control Entries can be created The syntax and semantic checking is performed to verify the value input by the user before it can be set to the object of the Alarm Group The valid Alarm Group configuration data is saved into the system NVRAM Managed CenturyStack periodically monitors the threshold value of counter objects that have been specified as the RMON Alarm Variable The associated RMON event is raised and the proper event action is performed when the value of counter object crosses its threshold value as specified in the RMON Alarm Threshold object RMON Event Group RMON Event Group supports the definition of events An event is triggered by a condition located in the MIB and an event can trigger an action defined elsewhere in the MIB An event may also cause informa tion to be logged in this group and may cause an SNMP tra
40. r 1 12 24 Admin State Enable Disable No Change Link Test Enable Disable Speed Control Auto Negotiate 10 Mbps 100 Mbps No Change Link Status Change Notify Enabled Disabled No Change Controlling CenturyStack Hubs 29 Switch Module Control Switch Modules are slide in units that can be inserted into managed CenturyStack Hubs to gain additional functions such as extending distances and switching between different speeds The 3 Port Bridge Module has two internal ports to bridge 10M and 100M segments and one external port The function of the external port can vary between different modules For detailed features of modules please refer to the CenturyStack Installation and User Guide 2 3 Port Bridge Module Control The 3 Port Bridge Module Control Status Menu displays current configu rations and allows configuring External Function Administration State Internal Function Administration State and Link Status Change Notify Configurations can only be made if the module is present ir jp pem 3 8 o m isi umi lamh mary rump Fermer 1 mm mimi oe HEE TTETITT TINTIN Pia aly ETTEUHUXCTPENN o ous TEN TEN rid Ou M STER 3 Port Bridge Module Control Status Menu 30 CenturyStack 8100 Managed Hub To configu
41. re the 3 Port Bridge Module first select the group 1 6 where a module exists and select Submit If a module exists in the selected group it is indicated next to Description under Current Configuration Next configure the items listed below and select Save to update the new configuration 3 Port Bridge Module Control External Bridge Admin State No Change Disable Enable Internal Function Admin State No Change Disable Enable Link Status Change Notify No Change Disable Enable Controlling CenturyStack Hubs 31 Redundant Link Control The Redundant Link Control Menu allows configuring of up to 24 pairs of redundant links within a stack Users can ensure that all packets sent will reach their destination even in the event of a hub failure when Link Pairs are configured Configuring Link Pairs requires naming the Link Pair with a numeral from 1 24 configuring primary and secondary groups and ports setting the Link Switch Notify setting the Status and finally saving the configuration SS TER Umiem i s b j Lik 12 m z EA TEA mna E a rims J L Redundant Link Control Menu Configuring Link Pairs 1 Select the Link Pair number from 1 24 2 Enter the Primary Link Group 1 6 3 Enter the Primary Link Port 1 12 24 4 Enter the Secondary Link Group 1 6 NOTE You c
42. s received by the port Collisions Late Events Total collisions Total late events received by the port Very Long Events Total very long events received by the port Data Rate Mismatches Total data rate mismatches received by the port Auto Partitions Total auto partitions Isolates Total isolates for 100Mbps transmissions Symbol Errors Total symbol errors for 100Mbps transmissions Total Errors Total errors received by the port Broadcast Packets Total broadcast packets received by the port Multicast Packet 100Mbps only Total multicast packets received by the port CenturyStack 8100 Managed Hub Address Tracking The Address Tracking Information Menu provides per port based node tracking capability MAC address based This capability provides the basic traffic analysis capability to diagnose network problems such as Intrusion The node tracking function records the source MAC of each data packet Up to 15 Source MAC Addresses can be detected on each port EEE 1002 10 d er imi lacu Emm araz om LE i a 1 AB CB DW C3 bi Address Tracking Information Menu To monitor address tracking information select a group from the Group Number pop up list 1 6 then select a port from the Port Number pop up list and select Submit A list of source MAC addresses displays for this port if there
43. sole Additional device panels in each device in the CenturyStack can be loaded by clicking on the hub number icons located on the right side of the device panel The blue icon indicates a master hub is present A green icon indicates a slave hub A gray icon indicates the hub is not present in the stack In the example below there is only one hub in the stack Therefore hubs 2 6 are grayed and not available Port Icon For each port that has a link an icon displays in the device panel over the port as shown below In the example only port 12 has a link Cascaded Hubs To build a hub stack each CenturyStack managed hub must be connected with cascade cables 50 pin SCSI cables The stacking ports are located on the rear panel of each hub A cascade cable is connected to the down port of one hub and to the up port of the next hub For more information about Cascaded Hubs see the Installation section of the Lancast CenturyStack 8100 Managed Hub Installation and User Guide For each hub that is in the CenturyStack the Hub ID is highlighted as shown below Clicking on a highlighted hub ID opens a device panel of the selected hub Cascaded Hub ID LANCAET Hes Deas prod d pen INE EUM k k LM EM Active Port Icon Device Panel Getting Started 17 System Information The System Information Menu displays information about the system software You can view the system software and hardw
44. ter hub Therefore the 10Mbps segment must be used for Web Based Management in the absence of a switch module CenturyStack 8100 Managed Hub RMON Support RMON is a major step forward in internetwork management It defines a remote monitoring MIB that supplements MIB II and provides the network manager with vital information about the internetwork The Managed CenturyStack Hub Series fully supports RMON Management Groups 1 2 3 and 9 and users can set up for RMON Management using Web Based Management or SNMP Management With these capabilities Managed CenturyStack provides an effective and efficient way to monitor networks For more detailed information refer to Chapter 5 of this guide RMON Statistics Group RMON group 1 is also recognized as Statistics Group which contains the basic statistics for each monitored network This group consists of a single table with one entry for each monitored interface The statistics group provides useful information about the load on a network and the overall health of the network Managed CenturyStack s RMON Management enables users to set up Statistic Groups to record various statistics counters The statistics group contains statistics measured by the probe for each monitored interface on the hub These statistics take the form of free running counters that start from zero when a valid entry is created Users can create up to 16 Ether Statistics entries Syntax and semantic checking are performed
45. tets Total octets received Port Statistics Information The Repeater Port Statistics Information Menu shows statistics in Absolute and Relative values ness and Pon vmar pne tomer laa mira ziri iius h nin zd xi dmn imm mis Dan Dimon enim BB TE Port Statistics Information Menu 38 CenturyStack 8100 Managed Hub 6 4 j i imr Port Statistics Information Menu 2 To view port statistic information select a group 1 6 from the Group Number drop down list Then select a port 1 12 24 set the Display Mode and select Submit to load the counters for the selected port and group Monitoring the Network 39 Port Statistics Information Group Number Number of the group in the stack 1 6 Port Number Port number of selected group 1 12 24 Display Mode Absolute or Relative Readable Frames FCS Errors Alignment Errors Total readable frames received by the port Total FCS Errors received by the port Total Alignment Errors received by the port Frame Too Long Total frames received by the port that were longer than 1518 octets Short Events Runts Total frames received by the port that were shorter than 64 octets Total runt
46. to verify the value input by the user before it can be set to the Ether Statistics group The valid Ether Statistics configuration data is saved in the system nonvolatile memory NVRAM RMON History Group RMON group 2 is also recognized as History Group which is used to define sampling functions for one or more of the monitor s interfaces It contains two tables historyControlTable which specifies the interface and the details of the sampling function and either HistoryTable which records the data Managed CenturyStack RMON Management enables users to set up History Groups The history control group controls the periodic statistical sampling of data from various types of networks The history Control Table stores configuration entries that each define an interface polling Introduction 9 10 period and other parameters Once samples are taken the data is stored as an entry in a media specific table Each entry defines one sample and is associated with the history Control Entry that caused the sample to be taken Each counter in the ether History Entry counts the same event as its similarly named counterpart in the Ether Stats Entry except that each value here is a cumulative sum during a sampling period The user can create up to 16 History Control Entries RMON Alarm Group RMON Alarm Group is used to define a set of thresholds for network performance Managed CenturyStack RMON Management enables users to set up Alarm Grou
47. toring and configur ing of the CenturyStack with the familiar interface of a Web browser Web Management uses photographic quality views and real time updates of hub activity Web Management allows managing the CenturyStack from any location Before the CenturyStack Web Management feature can be used users must configure the hub s Network Configurations See Network Configu ration in the Lancast CenturyStack Series 8100 Managed Installation and User Guide Users need a Web browser and must be either connected to the World Wide Web for remote connections or have an Ethernet connection to a hub in the stack for in band connections Home Page CenturyStack Web Based Management provides authentication and security access when you enter the hub s IP Address in the Web Browser s Location mini window The CenturyStack login screen displays once a connection is made Type in the User Name and Password that you want to use The default User Name is LANCAST and the default Password 18 public Username and Parcword Hequred Erte veeename DermHT TP a 192132 65150 Password ceres Login Panel Getting Started 13 The CenturyStack Home Page is loaded into the Web browser application as shown below CenfuryStack Derim Managed 101100 AES Dual Speed Ethernet Hub Yeates Wier Hele LANGA T Inc 12 Murpery Gere Marua HH GIUGZ TEL EXEHHD 1833 Home Page
48. ts A whole number representing the total readable octets received Packets Total packets received including bad packets broadcast packets and multicast packets Broadcast Frames Multicast Frames Total packets received that were directed to the broadcast address Total packets received that were directed to the multicast address Utilization Percent utilization CRC Alignment Errors The total CRC alignment error frames within the proper size of 64 1518 octets received Undersize Packets Total packets received that were less than 64 octets Oversize Packets Total packets received that were greater than 1518 octets long Fragments Total fragments received Jabbers Total jabbers received Collisions Total collisions Remote Network Monitoring 67 Event Log The RMON Event Log Menu displays information based on valid configurations made in the RMON Event Group Configuration Menu RMON Event Log To view Event Logs select the Log Index drop down list and select an index number from the Event Index drop down list and then select Submit 68 CenturyStack 8100 Managed Hub Event Log Event Index Valid index items configured in the RMON Event Configuration Menu Log Index Number of the event log Event Description Description of the event Event Type Event Community Event Owner Event Status No Change Event None Log Trap Log amp Trap Name of the event community
49. used to setup SNMP Trap Receivers Ethernet Menu The Ethernet menu displays the Interface Type the MAC Address of the hub and other current network configurations Users can configure the hub s IP Address Subnet Mask and Default Gateway through this menu Select Save to update new configurations mm ELL Cane a dl parkan EG 1F2 121 JE L0 Lear 17 a ILLI ran LIE E ler mer a all jahr mil rcd l El r i r n reriari mi Network Configuration Ethernet Menu Management Setup 19 Slip Menu The Slip Menu displays current Slip configurations and allows users to make new slip configuration settings IP Address and Subnet Mask i mire T 1 Mra ser pareri KTTCITH ui ana ni The gur ar e H ak na l k yarera li rrini Network Configuration Slip Menu Please select Save to update the new configuration 20 CenturyStack 8100 Managed Hub Serial Port Configuration The Serial Port Configuration enables users to monitor and configure Out of Band serial connections through the sub menus Conso
50. x Ll a Thn jali ema 1 hep Lum c um mi Broadcast Storm Protection Users can configure the port broadcast threshold value and optional module threshold value of each segment The Segment Rate Threshold Port Rate Threshold and Optional Module Rate Threshold determines whether the broadcast storm exists or not Monitoring the Network 45 Segment Rate Threshold number of broadcast packets received on a given segment per second Port Rate Threshold the number of broadcast packets received on a given port per second Optional Module Rate Threshold the number of broadcast packets received on each port of a given optional module per second Formula for calculating Broadcast packet rate Broadcast packet rate Broadcast packet received Sampling Interval in Seconds To configure the threshold for Broadcast Storm Protection 1 2 Dns Select the segment from the Segment ID pop up list Enter a value in the Segment Rate Threshold field or optional module Enter a Port Rate Threshold Set the Alarm Action Set the Alarm Status Select Save Broadcast Storm Protection Segment ID 10Mbps Segment or 100Mbps Segment Segment Rate Threshold Broadcast threshold value for each segment Optional Module Rate Threshold Broadcast threshold value for each module Port Rate Threshold Broadcast threshold value for each port Alarm Action Send Trap Partition S
Download Pdf Manuals
Related Search