Avaya 2400 Series Digital Telephones Application Note
Contents
1. interop M7I1 edit voip interop M 71 set forwarding class best effort scheduler be sched interop M 1 set forwarding class expedited forwarding scheduler ef sched interop M71 set forwarding class assured forwarding scheduler af sched interop M7I set forwarding class network control scheduler nc sched interop M71 exit e Use the scheduler to define the percentage of bandwidth allocation to each traffic queue type These allocations are for testing purpose only The actual bandwidth allocation should depend upon actual requirement AL Reviewed Solution amp Interoperability Test Lab Application Notes 12 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc Step Description H H H H H H H H H H H H H H H H H H H H H 5 5 eo ep SD Cp 5 5 lt e e e ee al 5 terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I terop M7I edit class of service schedulers edit be sched set transmit rate percent 10 set buffer size percent 10 set priority low exit edit ef sched set transmit rate percent 80 set buffer size percent 80 set priority high exit edit af sched set transmit rate percent 5 set buffer size percent 5 set priority high exit edit nc sched set tra2. sp 0 0 0 16383 66 12 IPv4 precedence RS 01 101 00 67 6440 DSCP fe 0 0 0 0 68 12 IPv4 precedence fe 0 0 1 0 69 6440 DOGR Interface 1s 0 0 0 Index 134 Map index 2 Map type FINAL Num of queue pe eras a Index 0 Entry 0 Scheduler index 17 Queue 0 Tx rate 0 Kb 95 Buffer size 95 percent Priority low PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 1 Scheduler index 19 Queue 3 Tx rate 0 Kb 5 Buffer size 5 percent Priority low PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 mterrace ie O O il inces 13607 Mab sinless 2 5 Melo ieyjoss ELNA y Nom of queue Seer Index 0 Entry 0 Scheduler index 17 Queue 0 Tx rate 0 Kb 95 Buffer size 95 percent Priority low PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 1 Scheduler index 19 Queue 3 Tx rate 0 Kb 5 Buffer size 5 percent Priority low PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 AL Reviewed Solution amp Interoperability Test Lab Application Notes 17 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc Step Description Inpicermiracee til 2 0 0 rmes ISS Mab tices 2 Maa iesjoas ELNA p Numi of queue BZ os Index 0 Entry 0 Scheduler index 17 Queue 0 ak sarak O te 95 ERES SA 95 percent Priority low in Ioareias il
3. wine lows il EHe mechones Ib IWS imechivim ihore I Entry 1 Scheduler index 19 Queue 3 I weeices 0 Ilg 5 BUU ESE Sake 5 percent Priority low PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Interface 1s 0 0 0 0 Index 67 Map index 45418 Map type FINAL Num of queues 4 Index 0 Entry 0 Scheduler index 13005 Queue 0 Tx rate 0 Kb 10 Buffer size 10 percent Priority low PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 1 Scheduler index 62197 Queue 1 Tx rate 0 Kb 80 Buffer size 80 percent Priority high PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 2 Scheduler index 62165 Queue 2 Tx rate 0 Kb 5 Buffer size 5 percent Digihoseiiey Mtei PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 3 Scheduler index 45740 Queue 3 Tx rate 0 Kb 5 Buffer size 5 percent Priority high PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Interface fe 0 0 1 0 Index 69 Map index 45418 Map type FINAL Num of queues 4 Index 0 Entry 0 Scheduler index 13005 Queue 0 Tx rate 0 Kb 10 Buffer size 10 percent Priority low PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 1 Scheduler index 62197 Queue 1 Tx rate 0 Kb 80 Buffer size 80 percent RELOPLEY MEM PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 2 Scheduler index 62165 Qu
4. 2 0 interop M71 set per unit scheduler interop M7I set unit 0 compression rtp port min 2048 max 3029 interop M7I1 set unit 0 family inet 192 168 1 2 30 interop M71 exit e Configure the T1 interface timing encapsulation and timeslots e Configure the T1 interface to use logical interface Isq 1 2 0 0 defined above An IP address is not necessary because an IP address is already defined for the logical interface interop M7I edit int t1 0 0 0 interop M7I set clocking internal interop M71 set encapsulation ppp interop M7I set tl options timeslots 1 24 interop M7I set unit 0 family mlppp bundle 1lsq 1 2 0 interop M71 exit interop M7I edit int t1 0 0 1 interop M71 set clocking internal interop M71 set encapsulation ppp interop M7I set tl options timeslots 1 24 interop M7I set unit 0 family mlppp bundle 1lsq 1 2 0 interop M71 exit 9 Configure the forwarding options interop M7I set forwarding options hash key family inet layer 3 interop M7I set forwarding options hash key family inet layer 4 10 Configure the routing options for the J4300 router The sample configuration uses static routes interop M7i edit routing options static interop M7i route 172 28 20 0 24 next hop 192 168 1 1 interop M7i exit 11 Save the changes interop M7i commit AL Reviewed SPOC 2 12 2007 15 of 21 J amp M cRTP MLPPP doc Solution amp Interoperability Test Lab
5. H 323 trunk configured between the two Avaya Communication Managers allow calls to be routed between the two systems Both the Juniper Networks M7i and J4300 routers are configured to perform RTP header compression for all RTP packets traversing over the PPP connection Both routers are configured to prioritize VoIP traffic based on DiffServ Code Point DSCP information encoded in each VoIP packet Bandwidth allocation was set on all interfaces shown to guarantee necessary bandwidth is reserved for VoIP traffic in the event of network congestion Both Juniper routers will statistically distribute the call flows across all members of the MLPPP bundle The combination of these elements provides the necessary Quality of Service for VoIP traffic traversing over the WAN connection AL Reviewed Solution amp Interoperability Test Lab Application Notes 2 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc 2 Configuration Figure 1 illustrates the configuration used in these Application Notes Telephones with range number 3xxxx are registered with the Avaya S8300 Media Server on the right side of the figure and telephones with extension range 2xxxx are registered with the Avaya S8500 Media Server on the left side of the figure An H 323 IP trunk was used to route calls between the two Avaya Media Servers Note that extensions from both Avaya Communication Manager systems are located in each location This is done to verify t
6. J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 5 5 no Ss oa PP YD dD Pe SD 3595 3 lt H H H H H He H H H H H H H H H H H H H BS 5 H edit class of service scheduler maps edit voip set forwarding class best effort scheduler be sched set forwarding class expedited forwarding scheduler ef sched set forwarding class assured forwarding scheduler af sched set forwarding class network control scheduler nc sched exit edit class of service schedulers edit be sched set transmit rate percent 10 set buffer size percent 10 set priority low exit edit ef sched set transmit rate percent 80 set buffer size percent 80 set priority high exit edit af sched set transmit rate percent 5 set buffer size percent 5 set priority high exit edit nc sched set transmit rate percent 5 set buffer size percent 5 set priority high exit AL Reviewed SPOC 2 12 2007 Solution amp Interoperability Test Lab Application Notes 2007 Avaya Inc All Rights Reserved 8 of 21 J amp M cRTP MLPPP doc Step Description 5 Assign the scheduler map to each interface e Configure each interface with scheduler map voip using the classifier defined above interop J4300 edit class of service interfaces fe 0 0 1 interop J4300 set unit 0 scheduler map voip interop J4300 set uni
7. AVAYA Avaya Solution amp Interoperability Test Lab Application Notes for Configuring compressed Real Time Protocol over Multi Link Point to Point Protocol between Juniper Networks J4300 and M7i routers to Support an Avaya IP Telephony Infrastructure Issue 1 0 Abstract These Application Notes describe the steps for configuring Juniper Networks J4300 and M7i routers to use compressed RTP cRTP over a Multi Link Point to Point Protocol MLPPP connection to support an Avaya IP Telephony Infrastructure consisting of Avaya Communication Manager and Avaya IP Telephones The Juniper Networks routers will perform header compression for all RTP traffic traversing over the MLPPP connection to minimize overhead used by the RTP packets thus increasing available bandwidth and load distribution across the multi link bundle for increase bandwidth and resiliency AL Reviewed Solution amp Interoperability Test Lab Application Notes 1 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc 1 Introduction Real Time Protocol RTP packets generated by Voice over IP VoIP telephony are typically small in size ranging in tens of bytes per packet IP 20 bytes and UDP 8 bytes headers are then added onto each packet before transmission Because of the relative small packet size of RTP packet the IP and UDP headers are all overhead For RTP packets that traverses a Wide Area Network WAN with limited bandwidth thes
8. Application Notes 2007 Avaya Inc All Rights Reserved 6 Verification Steps The following steps may be used to verify the configuration Step Description i Verify network connectivity All network devices should be reachable 2 Use the show service crtp flows command on the Juniper router to verify traffic is being compressed For an active phone call there should be at least two flows displayed one transmits and one received interop J4300 gt show services crtp flows Interface Interface 1s 0 0 0 0 Flow Source Destination SSRC ID Crx IND Transmit A 2 70 Ae A TA e LO ZER ASN ATTS y Receive U2 Biss O ZS ANS TA AS O EA SOO S2 IAS 80 3 Use the show interface queue command on the Juniper router to verify traffic is being forward via the correct queue Below output shows the information of an active phone call SOpps being send out queue 1 expedited forwarding queue Portion of the output concerning Queue 0 Queue 2 and Queue 3 have being abbreviated interop J4311 gt show interfaces queue t1 2 0 0 Physical interface t1 2 0 0 Enabled Physical link is Up Interface index 139 SNMP ifIndex 34 Forwarding classes 8 supported 8 in use Egress queues 8 supported 8 in use Queue 0 Forwarding classes best effort Queued Packets 173342 150 pps Bytes 40575543 1784400 bps Queue 1 Forwarding classes expedited forwarding Queued Packets 46978 50 pps Bytes 3 2361646 25944 bps Transmitte
9. IP Telephone H 323 R2 3 Application al0d01b2_3 bin Avaya 4610S W IP Telephone H 323 R2 6 Application al10d01b2_6 bin Avaya 4620SW IP Telephone H 323 R 2 6 Application a20d01b2_6 bin Avaya IP Softphone R5 24 8 Juniper Networks J4300 router JUNOS 8 1R1 5 Juniper Networks M71 router JUNOS 8 1R1 5 AL Reviewed Solution amp Interoperability Test Lab Application Notes 4 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc 4 Avaya Communication Manager There is no unique configuration required in Avaya Communication Manager to support compressed RTP cRTP or any feature mentioned in this document For detailed information on the Installation Maintenance and Configuration of Avaya Communication Manager please consult reference 1 2 and 3 Step Description 1 Below is the output from the display ip network region command showing the MEDIA PARAMETERS and DIFFSERV TOS PARAMETERS information configured in Avaya Communication Manager All traffic used in the sample network is configured for network region 1 The Call Control PHB Value of 34 is equivalent to 100010 in binary The Audio PHB Value of 46 is equivalent to 101110 in binary The MEDIA PARAMETERS and DIFFSERV TOS PARAMETERS information will be needed in later sections when configuring the routers display ip network region 1 Page Loe iy IP NETWORK REGION Region 1 Loca
10. d Packets 3 46978 50 pps Bytes 2361646 25944 bps Tail dropped packets 0 0 pps RED dropped packets 0 0 pps Low 0 0 pps Medium low 0 0 pps Medium high 0 O pps High 0 0 pps RED dropped bytes 0 0 bps Low 0 0 bps Medium low 0 0 bps Medium high 0 0 bps High 0 0 bps Queue 2 Forwarding classes assured forwarding Queued Packets 217241 0 pps Bytes WAM IALAS 0 bps Queue 3 Forwarding classes network control AL Reviewed Solution amp Interoperability Test Lab Application Notes 16 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc Step Description Queued Packets 3 R22 0 pps Bytes LATZ 0 bps 4 Use the show class of service forwarding table command to verify the bandwidth allocation has been assigned to each interface The following output has been abbreviated to only show the relevant interfaces The allocation of bandwidth should match what is configured in Section 5 1 and 5 2 Step 4 interop J4300 gt show class of service forwarding table Classifier table index 12 entries 8 Table type IPv4 precedence Entry Code point Queue PLE 0 000 0 0 olf 001 0 1 2 010 0 0 3 ommi 0 il 4 100 0 0 5 101 0 1 6 110 3 0 7 Lila 3 il Classifier table index 6440 entries 2 Table type DSCP Entry Code point Queue PLP 0 100010 2 0 ale 101110 l 0 Table Index Interface Index Q num Table type
11. dited forwarding with low loss priority for avaya rtp and assured forwarding with low loss priority for avaya sig to ensure proper Quality of Service QoS priority is assigned to voice traffic interop J4300 edit class of service classifiers interop J4300 edit dscp Avaya voip interop J4300 set forwarding class expedited forwarding loss priority low code points avaya rtp interop J4300 set forwarding class assured forwarding loss priority low code points avaya sig interop J4300 exit AL Reviewed Solution amp Interoperability Test Lab Application Notes 7 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc Step Description 4 Configure the scheduler to specify how much bandwidth to allocate for each type of traffic queue e The sample configuration defines a scheduler maps called voip and assigns a name for each of the 4 queues types interop J4300 interop J4300 interop J4300 interop J4300 interop J4300 interop J4300 interop J4300 e Use the scheduler to define the percentage of bandwidth allocation to each traffic queue type These allocations are for testing purpose only The actual bandwidth allocation should depend upon actual requirement is dD terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop J4300 terop
12. e administration steps required to configure compressed Real Time Protocol cRTP to function between Juniper Networks M7i and J4300 routers over a Multi link Point to Point Protocol MLPPP connection Quality of Service was implemented by the use of DiffServ Code Point DSCP information for traffic priority queue assignment and the use of bandwidth allocation on all the interfaces There was no detectable different in voice quality between VoIP traffic that has gone through header compression and traffic that had not used header compression Basic features such as Transfer Conference and DTMF detection continue to function over a cRTP enabled MLPPP environment Per flow load distribution was successfully supported by both the J4300 and M71 routers AL Reviewed Solution amp Interoperability Test Lab Application Notes 19 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc 8 Additional References Product documentation for Avaya products may be found at http support avaya com 1 Administrator Guide for Avaya Communication Manager Doc 03 300509 Issue 2 1 May 2006 2 Avaya Communication Manager Advanced Administration Quick Reference Doc 03 300364 Issue 2 June 2005 3 Administration for Network Connectivity for Avaya Communication Manager Doc 555 233 504 Issue 11 February 2006 4 Avaya IP Telephony Implementation Guide May 1 2006 Product documentation for Juniper Networks products may b
13. e found at http www Juniper net 5 JUNOS Internet Software CLI User Guide Release 8 1 Part Number 530 017052 01 Revision 1 6 JUNOS Internet Software Class of Service Configuration Guide Release 8 1 Part Number 530 017058 01 Revision 1 7 JUNOS Internet Software Network Interfaces Configuration Guide Release 8 1 Part Number 530 017057 01 Revision 1 8 JUNOS Internet Software Services Interfaces Configuration Guide Release 8 1 Part Number 530 017064 01 Revision 1 AL Reviewed Solution amp Interoperability Test Lab Application Notes 20 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc 2007 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 located in the lower right corne
14. e headers represents an opportunity for bandwidth saving that could otherwise be use for other traffic or additional VoIP calls This is the main idea behind the use of cRTP It is most common to use the G 729 codec for calls across a low speed link due to its lower bandwidth requirement but either G 711 or G 729 codecs can benefit from cRTP Both G 711 and G 729 codec were exercised during compliance testing In addition the Juniper J4300 and M7i router also has the ability to distribute VoIP traffic across all members on a per flow basis The Juniper routers accomplished per flow load distribution through the examination of the Stuples Source Destination IP Source Destination Port and protocol in each packet Since these 5 pieces of information are the same for any given call flow all rtp packets for a particular call will always be distributed onto the same multilink member This is an important feature as members within a multilink bundle may be from different Service Provider and the links may have varying delay characteristic Therefore the ability of performing per flow load balancing can help minimize jitter in VoIP application Figure 1 shows the sample network used in these Application Notes Two separate IP networks one in each location are connected together by a pair of Juniper Networks routers over a MLPPP connection Each location contains an Avaya Media Server an Avaya Media Gateway and Avaya IP Telephones A dial plan and an
15. eue 2 Tx rate 0 Kb 5 Buffer size 5 percent Digi sealiewy arein PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 3 Scheduler index 45740 Queue 3 Tx rate 0 Kb 5 Buffer size 5 percent IDiei eiiey Mre PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Interface t1 2 0 0 0 Index 70 Map index 45418 Map type FINAL Num of queues 4 Index 0 Entry 0 Scheduler index 13005 Queue 0 Tx rate 0 Kb 10 Buffer size 10 percent Priority low PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 AL Reviewed Solution amp Interoperability Test Lab Application Notes 18 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc Step Description Entry 1 Scheduler index 62197 Queue 1 Tx rate 0 Kb 80 Buffer size 80 percent Rieh reiliey Insel PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 2 Scheduler index 62165 Queue 2 Tx rate 0 Kb 5 Buffer size 5 percent Digikesealiey Mein PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 Entry 3 Scheduler index 45740 Queue 3 Tx rate 0 Kb 5 Buffer size 5 percent Priority high PLP high 1 PLP low 1 PLP medium high 1 PLP medium low 1 RED drop profile index 1 entries 1 DEOH Entry Fullness Probability 0 100 10 7 Conclusion These Application Notes have described th
16. he Avaya IP Telephones can register and place call successfully through a cRTP enabled WAN connection Avaya 4620SW IP r Ext 30003 MLPPP bundle s O 0 0 MLPPP bundle 192 168 1 1 30 Isq 0 1 2 192 168 1 2 30 Avaya 4602SW IP Ext 24000 fe O 0 1 172 28 20 254 fa0 1 T1 2 0 0 Avaya 4610SW IP 0 Ext 22022 i F Juniper Network J4300 Avaya 4620SW IP Ext 30000 E S Avaya 58500 Media Server 172 28 10 5 Analog phone Ext 30009 Avaya 8300 Media Server 172 28 20 5 Avaya G650 Media Gateway Avaya G350 Media Gateway IPSI 172 28 10 6 172 28 20 1 C LAN 172 28 10 7 MedPro 172 28 10 8 Avaya 6408D Ext 30008 Figure 1 Sample Network Configuration AL Reviewed Solution amp Interoperability Test Lab Application Notes 3 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc 3 Equipment and Software Validated The following equipment and software firmware were used for the sample configuration Equipment Software Firmware Avaya S8300 Media Server with Avaya Communication Manager R3 1 2 G350 Media Gateway RO13x 01 2 632 1 Avaya S8500 Media Server Avaya Communication Manager R3 1 2 RO13x 01 2 632 1 Avaya G650 Media Gateway TN2312BP IPSI HW03 FW 22 TN799DP C LAN HWO1 FW 16 TN2302AP IP MedPro HW18 FW 108 Analog telephone N A Avaya 6408D digital Telephone N A Avaya 4602S W
17. nsmit rate percent 5 set buffer size percent 5 set priority high exit Configure the queue assignment for each traffic type interop M7I interop M7I interop M7I interop M7I interop M7I interop M7I edit class of service forwarding classes set queue 0 best effort set queue 1 expedited forwarding set queue 2 assured forwarding set queue 3 network control exit AL Reviewed SPOC 2 12 2007 Solution amp Interoperability Test Lab Application Notes 2007 Avaya Inc All Rights Reserved 13 of 21 J amp M cRTP MLPPP doc Step Description 6 Assign the scheduler map to each interface e Configure each interface with scheduler map voip using classifier defined above interop M71 edit class of service interfaces fe 1 3 0 interop M7I set unit 0 scheduler map voip interop M71 set unit 0 classifiers dscp avaya voip interop M71 exit interop M7I edit class of service interfaces 1sq 1 2 0 interop M71 set unit 0 scheduler map voip interop M7I set unit 0 classifiers dscp avaya voip interop M7I1 exit interop M7I1 edit class of service interfaces t1 0 0 0 interop M7I set unit 0 scheduler map voip interop M71 set unit 0 classifiers dscp avaya voip interop M71 exit interop M71 edit class of service interfaces t1 0 0 1 interop M7I set unit 0 scheduler map voip interop M7I set unit 0 classifiers dscp avaya voip intero
18. on 4 Step 1 e The sample network uses the name avaya sig to denote dscp binary bit 100010 for signaling traffic This is equivalent to the decimal Call Control PHB Value of 34 set in Avaya Communication Manager for signaling in Section 4 Step 1 interop M71 edit class of service code point aliases interop M7I set dscp avaya rtp 101110 interop M7I set dscp avaya sig 100010 interop M7I exit e Define a classifier called Avaya voip e The classifier Avaya voip defines the forwarding characteristic used by the router based on traffic type e The sample configuration is configured to use expedited forwarding with low loss priority for avaya rtp and assured forwarding with low loss priority for avaya sig to ensure proper Quality of Service QoS priority is assigned to voice traffic interop M71 edit class of service classifiers interop M71 edit dscp Avaya voip interop M71 set forwarding class expedited forwarding loss priority low code points avaya rtp interop M71 set forwarding class assured forwarding loss priority low code points avaya sig interop M71 exit 4 Configure the scheduler to specify how much bandwidth to allocate for each type of traffic queue e The sample configuration defines a scheduler maps called voip and assigns a name for each of the 4 queues types interop M71 edit class of service scheduler maps
19. ort Max configured in Avaya Communication Manager in Section 4 Step 1 interop J4300 edit int 1ls 0 0 0 interop J4300 set per unit scheduler interop J4300 set unit 0 fragment threshold 128 interop J4300 set unit 0 compression rtp port min 2048 max 3029 interop J4300 set unit 0 family inet 192 168 1 1 30 interop J4300 exit e Configure the T1 interfaces to use the scheduler e Configure the T1 interfaces timing encapsulation and timeslots e Configure the T1 interfaces to use logical interface 1s 0 0 0 0 defined above An IP address is not necessary because an IP address has already been defined for the logical interface interop J4300 edit int t1 2 0 0 interop J4300 set per unit scheduler interop J4300 set clocking external interop J4300 set encapsulation ppp interop J4300 set tl options timeslots 1 24 interop J4300 set unit 0 family mlppp bundle 1s 0 0 0 0 interop J4300 exit interop J4300 edit int t1 2 0 1 interop J4300 set per unit scheduler interop J4300 set clocking external interop J4300 set encapsulation ppp interop J4300 set tl options timeslots 1 24 interop J4300 set unit 0 family mlppp bundle 1s 0 0 0 0 interop J4300 exit 7 Configure the policy options interop J4300 set policy options policy statmenet pplb then load balance per packet AL Reviewed Solution amp Interoperability Test Lab Application Notes 10 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc S
20. p M7I exit 7 Define packet fragmentation rule for cRTP traffic Turn off fragmentation for VoIP RTP packet which is tag as expedited forwarding and assured forwarding interop M7I edit class of service fragmentation map crtpLFI interop M7I set forwarding class best effort fragment threshold 128 interop M7I set forwarding class expedited forwarding no fragmentation interop M7I set forwarding class assured forwarding no fragmentation interop M7I set forwarding class network control fragment threshold 128 interop M7I exit 8 Configure the Ethernet and T1 interfaces e Configure the Ethernet interface to use the scheduler e Assign an IP address to the interface interop M7I1 edit int fe 1 3 0 interop M7I1 set per unit scheduler interop M7I set unit 0 family inet address address 172 28 10 254 24 interop M71 exit e Configure the logical interface for the WAN connection to use the scheduler e Assign an IP address to the interface e Specify the RTP traffic to be compressed The sample configuration defines RTP traffic with port range 2048 to 3029 to be compressed This port range needs to match to UDP Port Min and UDP Port Max configured in Avaya Communication Manager in Section 4 Step 1 AL Reviewed SPOC 2 12 2007 14 of 21 J amp M cRTP MLPPP doc Solution amp Interoperability Test Lab Application Notes 2007 Avaya Inc All Rights Reserved Step Description interop M7I edit int lsq 1
21. r directly to the Avaya Solution amp Interoperability Test Lab at interoplabnotes list avaya com AL Reviewed Solution amp Interoperability Test Lab Application Notes 21 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc
22. t 0 classifiers dscp avaya voip interop J4300 exit interop J4300 edit class of service interfaces 1s 0 0 0 interop J4300 set unit 0 scheduler map voip interop J4300 set unit 0 classifiers dscp avaya voip interop J4300 exit interop J4300 edit class of service interfaces t1 2 0 0 interop J4300 set unit 0 scheduler map voip interop J4300 set unit 0 classifiers dscp avaya voip interop J4300 exit interop J4300 edit class of service interfaces t1 2 0 1 interop J4300 set unit 0 scheduler map voip interop J4300 set unit 0 classifiers dscp avaya voip interop J4300 exit AL Reviewed Solution amp Interoperability Test Lab Application Notes 9 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc Step Description 6 Configure the Ethernet and T1 interfaces e Configure the Ethernet interface to use the scheduler e Assign an IP address to the interface interop J4300 edit int fe 0 0 1 interop J4300 set per unit scheduler interop J4300 set unit 0 family inet address address 172 28 20 254 24 interop J4300 exit e Configure the logical interface for the WAN connection to use the scheduler e Limit packet fragmentation of packet at 128 bytes e Assigned an IP address to the interface e Specify the RTP traffic to be compressed The sample configuration defines RTP traffic with port range 2048 to 3029 to be compressed This port range needs to match to UDP Port Min and UDP P
23. tep Description 8 Configure the routing options for the J4300 router and forwarding table The sample configuration uses static routes interop J4300 edit routing options static interop J4300 route 172 28 10 0 24 next hop 192 168 1 2 interop J4300 set forwarding table export pplb interop J4300 exit 9 Save the changes interop J4300 commit 5 2 Configure the Juniper Networks M7i Router This section shows the necessary steps in configuring the Juniper M7i router as shown in the sample network The following steps use the Command Line Interface CLI offered by the M71 router Step Description 1 Connect to the M7i Log in using the appropriate Login ID and Password login Password The following prompt will appears after successful log in interop M7I gt 2 Enter configuration mode by typing in edit at the prompt interop M7I gt edit interop M71 AL Reviewed Solution amp Interoperability Test Lab Application Notes 11 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc Step Description 3 Configure the code point aliases and classifier for Avaya VoIP traffic e The alias helps identify the binary dscp setting e The sample network uses the name avaya rtp to denote dscp binary bit 101110 for media traffic This is equivalent to the decimal Audio PHB Value of 46 set in Avaya Communication Manager for RTP Media in Secti
24. the J4300 Log in using the appropriate Login ID and Password login Password The following prompt will appears after successful log in interop J4300 gt 2 Enter configuration mode by typing in edit at the prompt interop J4300 gt edit interop J4300 AL Reviewed Solution amp Interoperability Test Lab Application Notes 6 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc Step Description 3 Configure the code point aliases and classifier for Avaya VoIP traffic e The alias helps identify the binary dscp setting e The sample network uses the name avaya rtp to denote dscp binary bit 101110 for media traffic This is equivalent to the decimal Audio PHB Value of 46 set in Avaya Communication Manager for RTP Media in Section 4 Step 1 e The sample network uses the name avaya sig to denote dscp binary bit 100010 for signaling traffic This is equivalent to the decimal Call Control PHB Value of 34 set in Avaya Communication Manager for signaling in Section 4 Step 1 interop J4300 edit class of service code point aliases interop J4300 set dscp avaya rtp 101110 interop J4300 set dscp avaya sig 100010 interop J4300 exit e Define a classifier called Avaya voip e The classifier Avaya voip defines the forwarding characteristic used by the router based on traffic type e The sample configuration is configured to use expe
25. tion Authoritative Domain Name MEDIA PARAMETERS Intra region IP IP Direct Audio yes Codec Set 1 Inter region IP IP Direct Audio yes UDP Port Min 2048 IP Audio Hairpinning n UDP Port Max 3029 DIFFSERV TOS PARAMETERS RTCP Reporting Enabled y Call Control PHB Value 34 RTCP MONITOR SERVER PARAMETERS Audio PHB Value 46 Use Default Server Parameters y Video PHB Value 26 802 1P Q PARAMETERS Caulk Comezwel O24 iia wiemorenicy3 6 Audio 802 l1p Priority 6 WALCO OZ ili Pienomlinys D AUDIO RESOURCE RESERVATION PARAMETERS H 323 IP ENDPOINTS RSVP Enabled n H 323 Link Bounce Recovery y Idle Traffic Interval sec 20 Keep Alive Interval sec 5 Keep Alive Count 5 AL Reviewed Solution amp Interoperability Test Lab Application Notes 5 of 21 SPOC 2 12 2007 2007 Avaya Inc All Rights Reserved J amp M cRTP MLPPP doc 5 Configure the Juniper Networks Routers The following sections describe the steps for configuring the different Juniper Networks routers in the sample configuration Unless otherwise specified all router configurations are based on Juniper Networks recommendation 5 1 Configure the Juniper Networks J4300 Router This section shows the necessary steps in configuring the Juniper J4300 router as shown in the sample network The following steps use the Command Line Interface CLI offered by the J4300 router Step Description 1 Connect to
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