Avaya 4600 Series IP Telephones Application Note
Contents
1. DSCP Action Precedence Name Q 7 Fwd0 mandatory DSCP 0 DSCP 7 8 15 fwd1 mandatory DSCP 8 DSCP 15 16 23 fFwd2 mandatory DSCP 16 DSCP 23 24 31 fwd3 mandatory DSCP 24 DSCP 31 32 39 fwd4 mandatory DSCP 32 DSCP 39 40 47 fwd5 mandatory DSCP 40 DSCP 47 48 55 fwd6 mandatory DSCP 48 DSCP 55 56 63 fwd7 mandatory DSCP 56 DSCP 63 Table 4 Avaya C364T PWR Converged Stackable Switch Default DSCP CoS Mapping JZ Reviewed Solution amp Interoperability Test Lab Application Notes 12 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc 7 Interoperability Compliance Testing This Interoperability Compliance Test included QoS testing between the Extreme Networks Aspen 8810 the Avaya S8500 Media Server the Avaya G650 Media Gateway and the Avaya 4600 Series IP telephones Basic feature functionality was performed as part of the compliance testing 7 1 General Test Approach Connectivity and QoS test cases were performed manually During QoS testing an Ixia data generator was used to generate low priority traffic When the 100 Base T or Gigabit Fiber link was overloaded VoIP calls with high quality can still be made between the main and branch offices 7 2 Test Results All the related test cases passed successfully No errors were detected QoS features based on 802 1p Q priority and DiffServ on the Extreme Networks Aspen 8810 worked well with the Avaya C364T PWR Conv2. 01A03 Note that the C LAN and MEDPRO are assigned to Network Region 1 without VLAN tagging change ip interface 01A02 YDER SIMONE Code Suffix Node Name IP Address Subnet Mask Gateway Address Enable Ethernet Port Network Region VLAN IP INTERFACES C LAN O1A02 END D CLAN 192 168 88 a22 DOD coo 2390 LOZ 168 88 of y T n Number of CLAN Sockets Before Warning 400 Auto ETHERNET OPTIONS y Page 1 of 1 change ip interface 01403 MOCE SLOE Cocke TERI Node Name IP Address Subnet Mask Gateway Address Enable Ethernet Port Network Region VLAN Auto JZ Reviewed SPOC 2 14 2005 EP ENTE RE ACES MEDPRO 01A03 TN2302 MEDPRO TOZ LlOS 88 a 2il 295a 2D 20o 192 TOS BG oi Yy al n ETHERNET OPTIONS M Solution amp Interoperability Test Lab Application Notes 2005 Avaya Inc All Rights Reserved Page 1 of 1 7 of 16 Aspen Ava QoS doc Use the command change ip network region to configure the QoS and other parameters for a network region It is recommended to enable IP direct for intra region and inter region connections RSVP is not used and is disabled by default The Avaya components including C LAN MEDPRO IP telephones and Softphones will receive QoS 802 1p priority 7 and DiffServ 56 and other parameters from network region 1 in the sample configur
3. and Softphones are configured with DiffServ value 56 In order to support an IP telephone and attached PC in different VLANs 802 1Q must be enabled on the IP telephone The Avaya IP telephones are configured with 802 1p Q priority JZ Reviewed Solution amp Interoperability Test Lab Application Notes 4 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc 7 Since Extreme Networks switches treat VLAN 0 as clear traffic untagged VLAN it does not matter if 802 1Q is enabled on the Avaya S8500 Media Server and the IPSI of the Avaya G650 Media Gateway The Avaya C364T PWR Converged Stackable Switch trusts 802 1p Q priority for Layer 2 traffic and is configured to trust CoS DSCP for Layer 3 traffic By configuring to trust CoS DSCP the Avaya C364T PWR will use a higher CoS value mapped from 802 p Q priority and DSCP The Avaya C364T PWR will preserve 802 1p Q priority from the Avaya IP telephones to the Extreme Networks Aspen Table 2 summarizes the QoS configuration used for the Avaya equipment and the directly connected Extreme Networks Aspen The detailed commands to implement this configuration on each product are provided in the forthcoming sections Avaya 802 1p Q and DiffServ Aspen Port Equipment Configuration Configuration IP telephones IP phone tags with VLAN ID received from Tagged VLAN on the port the DHCP server 802 1p Q priority and for the IP telephone DiffServ value are receiv
4. control gateway 192 168 87 1 WARNING The control network interface will change upon exiting IPADMIN IPADMIN set vlan tag off IPADMIN set diffserv 56 IPADMIN show control interface Control Network IP Address 192 168 87 19 Control Network Subnetmask 29 5 5 255 5255 50 Control Network Default Gateway 192 168 87 1 IPSI is not configured for DHCP IP address administration IPADMIN show qos QoS values currently in use VLAN tagging off VLAN id z 0 VLAN user priority 6 Diffserv value 56 JZ Reviewed Solution amp Interoperability Test Lab Application Notes 9 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc 5 Configuring Extreme Networks Aspen 5 1 1 Configuring VLAN and Port The following commands configure a VLAN VLAN 87 corresponding to the 192 168 87 0 network which is used for the Avaya S8500 Media Server and IPSI of the Avaya 650 Media Gateway Note that the ports connecting to these Avaya components are all untagged create vlan vlan87 configure vlan vlan87 tag 87 configure vlan vlan87 add port 3 1 2 untagged S8500 Server and IPSI The following commands configure a VLAN VLAN88 corresponding to the 192 168 88 0 network which is for C LAN MEDPRO of the Avaya 650 Media Server and the IP telephones This VLAN is configured as an untagged VLAN on the ports for C LAN and MEDPRO and as a tagged VLAN o
5. link The G48P PoE module on the Extreme Networks Aspen and the Avaya C364T PWR Converged Stackable Switch are used to provide inline power to the Avaya IP telephones Main Office Branch Office Jm Extreme Networks Aspen 8810 Avaya 4602SW IP Telephone TS DHCP TFTP Server Avaya S8500 Media Server Avaya C364T PWR 1000 Base X Converged Stackable Switch or 100 Base T Avaya IP Softphone Avaya 4620 Avaya 4610SW W PC IP Telephone IP Telephone Avaya 4620SW IP Telephone Avaya Digital Avaya G650 Telephone Media Gateway Figure 1 Network Configuration JZ Reviewed Solution amp Interoperability Test Lab Application Notes 2of16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc 2 Equipment and Software Validated The following equipment and software were used for the sample configuration provided Equipment Version Avaya C364T PWR Converged Stackable Switch 4 3 12 Avaya S8500 Media Server Avaya Communication Manager 2 1 1 load 414 1 Avaya G650 Media Gateway IPSI FWO012 C LAN FWO12 MEDPRO FW095 Avaya 4602S W IP Telephone 1 8 3 Avaya 4610SW IP Telephone 2 1 3 Avaya 4620 IP Telephone 2 1 3 Avaya 4620SW IP Telephone 2 1 3 Avaya IP Softphone 5 1 4 6 Avaya 6402D Digital Telephone Extreme Aspen Switch 8810 11 1 1 9 G48P 48 port 10 100 1000 Base T with PoE G48T 48 port 10 100 1000
6. was compliance tested with the Avaya S8500 Media Server Avaya G650 Media Gateway Avaya C364T PWR Converged Stackable Switch and Avaya IP telephones All feature functionality and QoS test cases completed successfully 11 Additional References Application Notes 1 Application Notes for Extreme Networks Switches Using Gigabit Ethernet Modules with Avaya S8700 Media Servers and Avaya G600 Media Gateways Controlling Avaya G700 Media Gateways JZ Reviewed Solution amp Interoperability Test Lab Application Notes 14 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc Appendix A Default 802 1p to QP mapping on the Extreme Networks Aspen Aspen 3 show dotlp 802 1p Priority Value 0 Oye Ol COM NS COSMe horse OPI OP1 OPI OPI OP1 OPI OP1 OP8 Appendix B Default DiffServ to QP mapping on the Extreme Networks Aspen Aspen 4 show diffserv examination CodePoint gt QOSProfile mapping 00 gt Q0P1 08 gt QP1 16 gt 0E 24 gt 0P i 32 gt QOP1 40 gt QP1 48 gt 0QP1 56 gt 0OP8 01 gt QP1 09 gt QP1 17 gt OP i 25 gt QP1 33 gt 0P1 41 gt QP1 49 gt QP1 57 gt OP8 02 gt QP1 10 gt QP1 18 gt QP1 26 gt QP1 34 gt QP1 42 gt QP1 50 gt 0P1 58 gt QP8 59 gt 0P8 03 gt 0P1 ESGER 19 gt QP1 27 gt QP1 35 gt 0P1 43 gt QP1 51 gt QP1 04 gt QP1 12 gt gt OP 20 gt QOP1 28 gt QP1 36 gt 0P1 44 gt 0QP1 52 gt QP1 60 gt
7. 0P8 05 gt 0P 1 13 gt 0P 1 21 SOP i 29 gt QP1 37 gt QP1 45 gt 0P Il 53 gt 0P 1 61 gt 0P8 06 gt QP1 14 S0P1 22 gt QP1 30 gt 0P1 38 gt 0P1 46 gt 0P Il 54 gt QP1 07 gt QOP1 15 gt QP1 23 gt QP1 31 gt 0OP1 39 gt 0P1 47 gt QP1 55 gt QP1 62 gt QP8 63 gt QP8 Appendix C Default DiffServ replacement mapping QP gt DiffServ on the Extreme Networks Aspen Aspen 5 show diffserv replacement QOSProfile gt CodePoint mapping OP1 gt 00 QP8 gt 56 JZ Reviewed SPOC 2 14 2005 Solution amp Interoperability Test Lab Application Notes 2005 Avaya Inc All Rights Reserved 15 of 16 Aspen Ava QoS doc 2005 Avaya Inc All Rights Reserved Avaya and the Avaya Logo are trademarks of Avaya Inc All trademarks identified by and are registered trademarks or trademarks respectively of Avaya Inc All other trademarks are the property of their respective owners The information provided in these Application Notes is subject to change without notice The configurations technical data and recommendations provided in these Application Notes are believed to be accurate and dependable but are presented without express or implied warranty Users are responsible for their application of any products specified in these Application Notes Please e mail any questions or comments pertaining to these Application Notes along with the full title name and filename lo
8. AVAYA Avaya Solution amp Interoperability Test Lab Application Notes for Extreme Networks Aspen 8810 with Avaya C364T PWR Converged Stackable Switch Avaya S8500 Media Server and Avaya G650 Media Gateway Issue 1 0 Abstract These Application Notes present a sample quality of service configuration for the Avaya 8500 Media Server with an Avaya G650 Media Gateway using Extreme Networks Aspen 8810 and Avaya C364T PWR Converged Stackable Switch The objective of the test was to evaluate interoperability of the products in an Enterprise Local Area Network All test cases completed successfully Information in these Application Notes has been obtained through compliance testing and additional technical discussions Testing was conducted via the DeveloperConnection Program at the Avaya Solution and Interoperability Test Lab JZ Reviewed Solution amp Interoperability Test Lab Application Notes 1 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc 1 Introduction The network diagram in Figure 1 shows two offices The office labeled Main Office uses an Avaya S8500 Media Server with an Avaya G650 Media Gateway The office labeled Branch Office uses Avaya IP telephones The Extreme Networks Aspen 8810 is used in the main office and the Avaya C364T PWR Converged Stackable Switch is used in the branch office The Aspen and the Avaya C364T PWR are connected through a 1000 Base X Fiber or 100 Base T
9. All Rights Reserved Aspen Ava QoS doc Use the command change ipserver interface to configure the communication to the IPSI The following screen shows that DiffServ 56 is configured for the communication from the Avaya 8500 Media Server to the IPSI of the Avaya G650 Media Gateway change ipserver interface 1 Page I o iL IP SERVER INTERFACE IPSI ADMINISTRATION PORT NETWORK 1 LP Comcieol vw Socket Encryption y Ignore Connectivity in Server Arbitration n Enable QoS y Primery INP SI OOS Pareamestsrte Location 1A01 Call Comexol SO02 ijas V HoOsce 192 158o E7 19 Call Concrol Dirigerv SG DEC IDs PSSA 4 2 Configuring IPSI on the Avaya G650 Media Gateway To configure the IPSI board connect the computer configured with IP address 192 11 13 5 with netmask 255 255 255 252 to the services port of the IPSI Telnet to 192 11 13 6 and supply appropriate login credentials The following screenshot illustrates the appropriate commands The IPSI IP address is configured to 192 168 87 19 with default gateway 192 168 87 1 Note that VLAN tagging is disabled and DiffServ value is configured to 56 WNZSL2 WPS We Alma Wieslsvicy Copyright Avaya Inc 2000 2001 All Rights Reserved EPS 8 djasa llega IVOGUINS Giese Password LIPADIMOUN SS Control shacertacs 192 168 87 19 255 2552550 WARNING The control network interface will change upon exiting IPADMIN IPADMIN set
10. Base T G24X 24 port 1000 Base X Table 1 Network Component Software Versions 3 Configuration Overview 3 1 Port Configuration Overview In the main office ports 3 1 to 3 4 on the Extreme Networks Aspen are used to connect to the Avaya S8500 Media Server and the Avaya G650 Media Gateway IPSI C LAN and MEDPRO It is recommended to configure the Avaya S8500 Media Server and the Avaya G650 Media Gateway IPSI on one VLAN and the Avaya G650 Media Gateway C LAN and MEDPRO on another VLAN In each of the offices a set of ports is used to connect end user devices For example the ports used for end user devices may connect to a computer an IP telephone or an IP telephone with an attached computer This is accomplished by configuring two VLANs on the end user ports The tagged VLAN is used for IP telephones and the untagged VLAN is for computers whether standalone or attached to an IP telephone 3 2 QoS Configuration Overview 3 2 1 Overview of Avaya QoS Features The Avaya VoIP components support 802 1p Q priority and DiffServ When 802 1Q is enabled on the Avaya S8500 Media Server and the IPSI board of the Avaya G650 Gateway VLAN 0 will be used for all outgoing packets The Extreme Networks Aspen will treat the packets tagged JZ Reviewed Solution amp Interoperability Test Lab Application Notes 3 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc with VLAN 0 as clear traffic Therefore it is recomm
11. CoS 0 1 2 3 4 5 6 7 In the sample configuration the Avaya C364T PWR Converged Stackable Switch is used as a Layer 2 Switch The Avaya C364T PWR Converged Stackable Switch will prioritize VoIP traffic for the Avaya IP telephones based on 802 1p Q priority In the sample configuration the 802 1p Q priority value 7 from the IP telephones will be mapped to the highest queue The Avaya C364T PWR Converged Stackable Switch supports weighted round robin or strict priority queuing scheme The strict priority queuing scheme is used in the sample configuration C360 1 super set queuing scheme strict If the Avaya C364T PWR Converged Stackable Switch needs to be configured as a Layer 3 router QoS must be enabled for Layer 3 The C364T PWR Converged Stackable Switch can be configured to trust 802 1p Q priority CoS or DSCP or both for Layer 3 traffic The following shows show to configure the C364T PWR Converged Stackable Switch to trust CoS and DSCP and then apply it Layer 3 routing is not used in these Application Notes C360 1 session router Router 1 super ip access list 101 1 permit ip any any Router l1 super ip access list dscp trust 101 trust cos dscp Router 1 super ip access group 101 DSCP to CoS mapping are configurable for an access list The default mapping is shown in Table 4 The DSCP value 56 will be mapped to fwd7 which corresponds to the highest priority queue
12. P L2Q 1 L2QVLAN 88 For untagged 192 168 89 0 192 168 89 1 VLAN Table 3 DHCP Configuration Summary 4 Configuring the Avaya S8500 Media Server and Avaya G650 Media Gateway Refer to reference 1 for detailed configurations of the Avaya S8500 Media Server and G650 Media Gateway The following sections only show the QoS related configuration 4 1 Configuring the Avaya S8500 Media Server The Avaya IP telephones Avaya IP Softphones C LAN and MEDPRO can be configured to a network region In the sample configuration all these components are configured to network region 1 Avaya IP telephones and Softphones can be assigned to a network region based on their source IP addresses Use the command change ip network map to configure the Avaya IP telephones and Softphones to network region 1 Configure the VLAN ID to match the switch configuration JZ Reviewed Solution amp Interoperability Test Lab Application Notes 6 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc change ip network map Subnet From IP Address To IP Address or Mask Region 192 168 88 0 192 168 88 255 24 al 88 192 168 89 0 192 168 89 255 24 1 89 IP ADDRESS MAPPING VLAN Page L ot 32 Emergency Location Extension Use the command change ip interface to configure the C LAN and the MEDPRO of the Avaya G650 Media Gateway The following two screens display the configurations of the C LAN 01A02 and the MEDPRO
13. ation By configuring IP Codec set 1 to Network Region 1 all intra region calls in Network Region 1 will use IP Codec set 1 change ip network region 1 Page 1 of 19 IP NETWORK REGION Region 1 Location 1 Home Domain Name Location A Intra region IP IP Direct Audio yes AUDIO PARAMETERS Inter region IP IP Direct Audio yes Codec Set 1 IP Audio Hairpinning y UDP Port Min 2048 UDP MPorteMasc aGoo so 4 RTCP Reporting Enabled y RTCP MONITOR SERVER PARAMETERS DIFFSERV TOS PARAMETERS Use Default Server Parameters y Call Control PHB Value 56 Audio PHB Value 56 802 1P Q PARAMETERS Call Comexol S02 iia Prioricys T INGICLLCG SOA PIEC TOC ity T AUDIO RESOURCE RESERVATION PARAMETERS S23 TP EINDPOIINLS RSVP Enabled n H 323 Link Bounce Recovery y Idle Traffic Interval sec 20 Keep Alive Interval sec 5 Keep Alive Count 5 Since Figure 1 is a LAN infrastructure IP Codec 1 is configured to G 711MU for high voice quality and is used for the calls in network region 1 change ip codec set 1 Page L OE 2 IP Cocke Seic Codec Set 1 Audio Silence Frames Packet Codec Suppression Per Pkt Size ms 1 G 711MU n 2 20 20 BH 4 5s 6 UE Media Encryption LS mone Ze Si JZ Reviewed Solution amp Interoperability Test Lab Application Notes 8 of 16 SPOC 2 14 2005 2005 Avaya Inc
14. cated in the lower right corner directly to the Avaya DeveloperConnection Program at devconnect avaya com JZ Reviewed Solution amp Interoperability Test Lab Application Notes 16 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc
15. ce the Extreme Networks Aspen disables IP forwarding for all the configured VLANs by default IP forwarding must be enabled on the VLANs that require IP forwarding Since VLAN 7 is only used for the communication between the S8500 Media Server and the IPSI IP forwarding does not have to be enabled on this VLAN Enable IP forwarding enable ipforwarding vlan vlan87 amp amp nable ipforwarding vlan vlan8g8 nable ipforwarding vlan vlan89 Configure IP addresses Comrdeuics wilaim VWwoilemg7 soackciaass 192 168 871 255 255 255 0 Commences wikea wiles sajoeclelsess 197 158 88 1 Z255 255 255 0 COmEetcuics wiem WwihaimgsS shonckehoaass 192 168 89 1 255 25956255 0 5 1 2 Configuring QoS The following commands establish the QoS configuration DiffServ examination is used to classify traffic on all ports Both Dotlp and DiffServ replacement are enabled on all the ports enable diffserv examination ports all enable dotlip replacement ports all enable diffserv replacement ports all 5 1 3 Configuring BOOTP DHCP Relay A DHCP server was physically connected to the Extreme Networks Aspen in the main office The same server was also used as a TFTP server The IP address of this DHCP TFTP server is 192 168 89 5 Use the following command to enable and configure the DHCP Relay enable bootprelay configure bootprelay add 192 168 89 5 6 Configurin
16. ed from the IP Untagged VLAN for the network region configured in Avaya PC attached to the phone Communication Manager IP telephones are mapped to an IP network region based on source IP addresses PC running IP DiffServ value is received from the IP Untagged VLAN to Softphone network region configured in Avaya support any NIC Communication Manager IP Softphones are mapped to an IP network region based on source IP addresses IPSI on Avaya Using IPSI administration from IPSI Untagged VLAN G650 Media services port to set DiffServ value to 56 Gateway C LAN and DiffServ value is received from the IP Untagged VLAN MEDPRO on network region configured in Avaya Avaya G650 Communication Manager Media Gateway Avaya S8500 Use change ip services interface to set Untagged VLAN Media Server DiffServ value to 56 Table 2 QoS and Port Configuration Summary 3 3 DHCP and BOOTP Relay Configuration Table 3 summarizes the Dynamic Host Configuration Protocol DHCP configuration The DHCP and TFTP servers are configured on the same PC with IP address 192 168 89 5 VLAN 89 In the sample configuration when an Avaya IP telephone is initially reset it will send an untagged DHCP request The Extreme Networks Aspen and the Avaya Converged Stackable 5 of 16 Aspen Ava QoS doc JZ Reviewed SPOC 2 14 2005 Solution amp Interoperability Test Lab Application Notes 2005 Avaya Inc All Rights Reserved Switch are confi
17. ended to enable DiffServ examination on these ports The Avaya C364T PWR Converged Stackable Switch supports 802 1p Q priority for Layer 2 traffic and can be configured to trust 802 1p Q priority CoS or DSCP or both for Layer 3 traffic 3 2 2 Overview of Extreme Networks QoS Features QoS profiles define how the Extreme Networks switch will respond to various categories of traffic The parameters defined in the QoS profile include minimum and maximum percentage bandwidth priority settings and other parameters By default eight QoS profiles numbered QP1 QP8 are assigned priorities that map to eight hardware queues on every physical port By default a higher quality profile number implies a higher transmit priority For Ethernet interfaces traffic can be classified to use a particular QoS profile based on a variety of parameters including IP based information MAC information 802 1p DiffServ physical source port etc By default 802 1p is used to classify ingress traffic Also by default 802 1p values 0 6 are classified to QP1 and 802 1p value 7 is classified to QP8 If DiffServ examination is enabled DiffServ will override 802 1p for classification of traffic from a port By default DiffServ values 0 55 are classified to QP1 DiffServ values 56 63 are classified to QP8 See Appendix A and B for default 802 1p and DiffServ to QP mapping On egress the Extreme Networks switch can preserve or replace 802 1p priority values and DiffSer
18. erged Stackable Switch Avaya S8500 Media Server Avaya G650 Media Gateway and Avaya IP telephones 8 Verification Steps The following are verification steps for these Applications Notes e Verify that the IP telephones and Softphones register with the C LAN of the Avaya G650 Media Gateway Use mute 767 QoS on the Avaya IP telephones to verify the QoS configuration e Verify that an IP telephone and the PC attached to the telephone are on different VLANs e Verify that the calls use G 711 Codec use the command status station lt extension gt to verify which Codec is used on the Avaya S8500 Media Server for an active call e While generating data traffic between the main office and the branch office to overload the 100 Base T or Gigabit Fiber link make a call between the main office and the branch office Verify that voice quality is acceptable 9 Support Customers should call Extreme Networks Worldwide TAC when having problems related to Extreme Networks switches Technical support is also available at the Extreme Networks web site at http www extremenetworks com services wwtac Product documentation for Extreme Networks can be downloaded via web at http www extremenetworks com services documentation JZ Reviewed Solution amp Interoperability Test Lab Application Notes 13 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc 10 Conclusion Extreme Networks Aspen 8810 Switch
19. g Avaya C364T PWR Converged Stackable Switch 6 1 1 Configuring VLAN and Port In the sample configuration the C364T PWR Converged Stackable Switch is configured as a Layer 2 Switch with VLANs 88 and 89 Create VLANs 88 and 89 Configure VLAN 89 as a native VLAN and VLAN 88 as a static VLAN on all the ports The C364T PWR Converged Stackable Switch will match incoming clear traffic to VLAN 89 and accept tagged traffic on VLAN 88 In the sample configuration the IP telephones are configured on VLAN 88 C360 1 super set vlan 89 name data vlan C360 1 super set vlan 88 name voice vlan C360 1 super set port vlan 89 1 1 48 C360 1 super set port static vlan 1 1 48 88 JZ Reviewed Solution amp Interoperability Test Lab Application Notes 11 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc The uplink 1000 Base X port 1 51 is configured with dotlq with vlan binding mode to the configured VLANs The native VLAN is configured to VLAN 1 The same configuration applies to a 100 Base T uplink if a 100 Base T link is used C360 1 super set port vlan 1 1 51 C360 1 super set trunk 1 51 dotlq C360 1 super set port vlan binding mode 1 51 bind to configured 6 1 2 Configuring QoS The Avaya C364T PWR Converged Stackable Switch supports four hardware queues The 802 1p Q or CoS to queue assignment is as follows Q1 Q2 Q3 Q4
20. gured with both untagged or native VLAN 89 and tagged or static VLAN 88 for the port connected to the IP telephone Since the DHCP server is on the untagged VLAN the untagged DHCP request will reach the DHCP server directly The DHCP server associates this request with the 192 168 89 0 scope and returns a reply with Option 176 string instructing the IP telephone to enable 802 1Q tagging with VLAN ID 88 The IP telephone receiving this reply will release the supplied IP address and issue a new DHCP request with VLAN ID 88 This request will be associated with the tagged VLAN on the port The router interface of this VLAN on the Extreme Networks Aspen has IP address 192 168 88 1 and will relay the DHCP request to the DHCP server with this address as the source The DHCP server associates this address with scope 192 168 88 0 and replies with an IP address from that scope as well as several parameters in the Option 176 string MCIPADD 192 168 88 22 in Option 176 configures the C LAN IP address of the Avaya G650 Media Gateway The IP telephone will register to this IP address TFTPSRVR 192 168 89 5 in Option 176 configures the TFTP server and the IP telephone will use the TFTP server for firmware upgrade The Avaya IP telephone will remember its VLAN ID unless explicitly reset to defaults DHCP Option 3 Option 176 String Notes Scope Router MCIPADD 192 168 88 22 192 168 88 22 192 168 88 0 192 168 88 1 TFTPSRVR 192 168 89 5 C LAN I
21. n all ports that may connect to IP telephones in this case ports 2 1 to 2 48 of the G48P PoE module create vlan vlan88 configure vlan vlan88 tag 88 configure vlan vlan88 add port 3 3 4 untagged C LAN and MEDPRO configure vlan vlan88 add port 2 1 48 tagged The following commands establish a VLAN VLAN89 corresponding to the 192 168 89 0 network which is used for computers and workstations including PCs running the Avaya IP Softphone application The VLAN89 is configured as an untagged VLAN on all ports that may connect to computers or workstations Note that these are the same physical ports as the IP telephones since a computer may optionally be attached directly to an Avaya IP telephone create vlan vlan89 configure vlan vlan89 tag 89 configure vlan vlan89 add port 2 1 48 untagged The uplink 1000 Base X port 4 1 is configured as untagged for VLAN 1 Default VLAN and tagged for VLAN 88 and 89 The same configuration would apply to a 100 Base T uplink if a 100 Base T link were used Comede vlan WDeicaulic acel pore 4 iL onfigure vlan vlan88 add port 4 1 tagged configure vlan vlan89 add port 4 1 tagged JZ Reviewed Solution amp Interoperability Test Lab Application Notes 10 of 16 SPOC 2 14 2005 2005 Avaya Inc All Rights Reserved Aspen Ava QoS doc The following commands configure VLAN87 VLAN88 and VLAN89 with their IP addresses Sin
22. v values If 802 1p replacement is enabled the transmitted 802 1p priority is determined by the hardware queue used to transmit the packet Thus on a tagged link 802 1p replacement provides a convenient way to request the same priority treatment from the next switch independent of the classification method used in the transmitting switch The switch can also be configured to re mark the DiffServ value prior to transmission The re marked DiffServ value is also determined by the hardware queue DiffServ replacement provides a convenient way to request the same priority treatment from a next hop that observes DiffServ value independent of the classification scheme used by the transmitting switch See Appendix C for default QP to DiffServ mapping The default strict priority queuing is used in these Application Notes None of the foregoing QoS operations impact switch performance 3 2 3 QoS Configuration Employed In order to simplify QoS configuration all the ports on the Extreme Networks Aspen are configured to enable DiffServ Examination In order to preserve 802 1p Q priority from the Extreme Networks Aspen to the Avaya C364T PWR Converged Stackable Switch the inter office link is configured to support tagged VLANs All the ports are enabled with 802 1p Q and DiffServ replacement on the Extreme Networks Aspen All the Avaya VoIP components including the Avaya S8500 Media Server the IP cards in the Avaya G650 Media Gateway Avaya IP telephones
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