passport 8600 technical configuration guide for...

Passport 8600 Technical Configuration Guide

for VRRP

PP8600 TCG VRRP Version 1.2 August 2003

Copyright © 2003 Nortel Networks All rights reserved. August 2003 The information in this document is subject to change without notice. The statements, configurations, technical data, and recommendations in this document are believed to be accurate and reliable, but are presented without express or implied warranty. Users must take full responsibility for their applications of any products specified in this document. The information in this document is proprietary to Nortel Networks Inc. The software described in this document is furnished under a license agreement and may be used only in accordance with the terms of that license. Trademarks Nortel Networks, the Nortel Networks logo, the Globemark, Unified Networks, and PASSPORT are trademarks of Nortel Networks. Adobe and Acrobat Reader are trademarks of Adobe Systems Incorporate.

Nortel Networks External Distribution 1

PP8600 TCG VRRP Version 1.2 August 2003 Table of Contents

1. INTRODUCTION ............................................................................................................................... 3 2. VRRP CONFIGURATION: NORMAL OPERATION................................................................... 4

2.1 CONFIGURATION STEPS: ................................................................................................................ 4 2.2 VERIFICATION................................................................................................................................ 7 2.3 CONFIGURATION FILES .................................................................................................................. 8

3. VRRP CONFIGURATION: WITH SPLIT-MLT............................................................................ 9 3.1 CONFIGURATION STEPS ................................................................................................................. 9 3.2 VERIFICATION.............................................................................................................................. 11 3.3 CONFIGURATION FILES ................................................................................................................ 11

4. SOFTWARE BASELINE ................................................................................................................. 12 5. REFERENCE DOCUMENTATION:.............................................................................................. 12 6. ADDENDUM A.................................................................................................................................. 13

6.1 VRRP NORMAL OPERATION CLI ................................................................................................ 13 6.2 VRRP WITH SPLIT-MLT CLI...................................................................................................... 14

List of Figures: Figure 1: VRRP Normal Operation.................................................................................................. 4 Figure 2: VRRP with Split-MLT........................................................................................................ 9



1. Introduction The Virtual Router Redundancy Protocol (VRRP) eliminates a single point of failure by providing multi-homed connectivity in a routed environment. VRRP uses an election process to select a Master that hosts will use as the default gateway. If the Master should fail, then the VRRP backup will take the place of the Master. In either case, the default gateway IP address and MAC will not change providing transparent operation. For load-balance applications using Split-MLT, the Passport 8600 can be configured for Master-Master so that both switches can responds to ARPs and forward traffic. The decision regarding who is going to be the VRRP Master for a particular VLAN is configured using the VRRP Priority setting. This is a number from 0-255 where the highest number wins. If two or more switches have the same priority, the highest IP address wins and becomes VRRP Master. The host is oblivious to the whole process. When a host sends traffic to a different subnet, it sends an ARP request for the MAC address of the default gateway. Here, the Passport 8600 VRRP Master will reply with its virtual MAC address. The benefit of using a virtual MAC address is that when the Master fails, the VRRP backup will use the same virtual MAC address. The virtual address does not have to be configured on the Passport 8600. It is automatically set for 00-00-5E-00-01-<VRID> where VRID = 1-255. It is assigned when you configure VRRP to a port or vlan; i.e. config vlan 2 ip vrrp 199 address 10.1.20.1 where 199 is the VRID, hence, the VRRP MAC address will become 00-00-5E-00-01-199. In addition to supporting normal VRRP operations, the Passport 8600 supports fast advertisement providing faster VRRP failure detection. Fast advertisement is proprietary to Nortel Networks Passport 8600 supporting an advertising interval from 200 to 1000 ms with a default value of 200ms.



2. VRRP Configuration: Normal Operation

PP8600A

PP8600B

Location Y

1/48

1/48

VLAN 2 IP = 10.1.20.2/24

VRRP VIP = 10.1.20.1 vrrp priority = 100

VLAN 2 IP = 10.1.20.3/24


Location X

1/47

VLAN 3 IP = 10.1.21.3/24


1/47

VLAN 3 IP = 10.1.21.2/24


Legend:

Solid Line = VRRP Master Dashed Line = VRRP Backup

Figure 1: VRRP Normal Operation

In this configuration example, we wish to provide VRRP service for two edge host locations. It is always best to try to load balance the VRRP Master between the Passport 8600’s. In this example, PP8600A will be the VRRP Master for Location Y while PP8600B will be the VRRP Master for Location X. In order to select the VRRP Master, the priority setting will be used. The higher priority wins and becomes the VRRP Master. Note that if you leave the priority the same, the higher IP address wins. Hence, it is very important to set the correct priority value. VRRP Fast Advertisement is also enabled to allow for fast fail-over detection.

2.1 Configuration Steps: Passport 8600 "A" Configuration: Command Comments Step 1 Configuration for Access VLAN 2

config vlan 2 create byport 1 This command creates VLAN = 2

using Spanning Tree Group = 1. If using another STG group, create the new STG group first, then add port 1/48 to the new STG group.

config vlan 2 ports add 1/48 This command adds the access port 1/48


PP8600 TCG VRRP Version 1.2 August 2003 config vlan 2 ip create 10.1.20.2/24 This command adds the IP address

of 10.1.20.2/24 to VLAN 2 config vlan 2 ip ospf interface-type

passive config vlan 2 ip ospf enable

This command enables ospf and configures it as an passive interface

config vlan 2 ip vrrp 1 address 10.1.20.1 config vlan 2 ip vrrp 1 fast-adv-enable enable config vlan 2 ip vrrp 1 enable

These commands add the VRRP VIP address of 10.1.20.1 to VLAN 2 using VRID = 1. Note, the VRRP priority is not configured here; it is left at factory default of 100. We will set the priority on PP8600B to a higher value. Note, that fast advertisement is enabled. This is proprietary to Nortel to support an advertisement interval from 200 to 1000 ms with default of 200. If normal vrrp is required, disable fast advertisement.

config ethernet 1/48 stg 1 stp disable Disables Spanning tree on port level.

Step 2 Configuration for Access VLAN 3 config vlan 3 create byport 1 This command creates VLAN = 3



config vlan 3 ip create 10.1.21.2/24 This command adds the IP address of 10.1.21.2/24 to VLAN 3

config vlan 3 ip ospf interface-type passive config vlan 3 ip ospf enable


config vlan 3 ip vrrp 2 address 10.1.21.1 config vlan 3 ip vrrp 2 priority 200 config vlan 3 ip vrrp 2 fast-adv-enable enable config vlan 3 ip vrrp 2 enable

These commands add the VRRP VIP address of 10.1.21.1 to VLAN 3. The VRRP priority is set to a value of 200 so that it should become the VRRP Master. Note, that fast advertisement is enabled. This is proprietary to Nortel to support an advertisement interval from 200 to 1000 ms with default of 200. If normal vrrp is required, disable fast advertisement.

config ethernet 1/47 stg 1 stp disable Disables Spanning tree on port level.


PP8600 TCG VRRP Version 1.2 August 2003 Passport 8600 "B" Configuration: Command Comments Step 1 Configuration for Access VLAN 2







config vlan 2 ip vrrp 1 address 10.1.20.1 config vlan 2 ip vrrp 1 priority 200 config vlan 2 ip vrrp 1 fast-adv-enable enable config vlan 2 ip vrrp 1 enable

These commands add the VRRP VIP address of 10.1.21.1 to VLAN 2. The VRRP priority is set to a value of 200 so that it should become the VRRP Master. Note, that fast advertisement is enabled. This is proprietary to Nortel to support an advertisement interval from 200 to 1000 ms with default of 200. If normal vrrp is required, disable fast advertisement.

config ethernet 1/48 stg 1 stp disable Disables Spanning tree on port level if not disabled globally.

Step 2 Configuration for Access VLAN 3 config vlan 3 create byport 1 This command creates VLAN = 3







PP8600 TCG VRRP Version 1.2 August 2003 config vlan 3 ip vrrp 2 address 10.1.21.1

config vlan 3 ip vrrp 2 fast-adv-enable enable config vlan 3 ip vrrp 2 enable

These commands add the VRRP VIP address of 10.1.20.1 to VLAN 3. Note, the VRRP priority is not configured here; it is left at factory default of 100. We will set the priority on PP8600A to a higher value. Note, that fast advertisement is enabled. This is proprietary to Nortel to support an advertisement interval from 200 to 1000 ms with default of 200. If normal vrrp is required, disable fast advertisement.

config ethernet 1/47 stg 1 stp disable Disables Spanning tree on port level if not disabled globally.

2.2 Verification After the Passport switches are configured, the VRRP status can be viewed by using the following commands: PP8600 "A" PP8600A# show ip vrrp info ================================================================================ Vrrp Info ================================================================================ VRID P/V IP MAC STATE CONTROL PRIO ADV --------------------------------------------------------------------------------

3 10.1.21.1 00:00:5e:00:01:02 Master Enabled 200 1

2 10.1.20.3 0 day(s), 00:04:53 0 0.0.0.0 (No) (No)

D) --------------

2 disable down 200 (NO) sable down 200 (NO)

==============================================================================

------------------------------------------------------------------------------

ID P/V MASTER UP TIME HLD DWN CRITICAL IP (ENABLED) ----------

(No)

1 2 10.1.20.1 00:00:5e:00:01:01 Back Up Enabled 100 1 1 VRID P/V MASTER UP TIME HLD DWN CRITICAL IP (ENABLED) -------------------------------------------------------------------------------- 1 1 3 0.0.0.0 0 day(s), 00:03:32 0 0.0.0.0 VRID P/V BACKUP MASTER BACKUP MASTER STATE FAST ADV (ENAB EL------------------------------------------------------------------1 1 3 di

PP8600 "B" PP8600B# show ip vrrp info == Vrrp Info ================================================================================ VRID P/V IP MAC STATE CONTROL PRIO ADV--1 2 10.1.20.1 00:00:5e:00:01:01 Master Enabled 200 1 1 3 10.1.21.1 00:00:5e:00:01:02 Back Up Enabled 100 1 VR----------------------------------------------------------------------1 2 10.1.20.3 0 day(s), 00:06:43 0 0.0.0.0 (No) 1 3 10.1.20.3 0 day(s), 00:23:18 0 0.0.0 0.


PP8600 TCG VRRP Version 1.2 August 2003 VRID P/V BACKUP MASTER BACKUP MASTER ------------------------------------------

STATE FAST ADV (ENABLED) --------------------------------------

1 2 disable down 200 (NO) able down 200 (NO)

.3 Configuration Files

tmember

0.2/255.255.255.0 mac_offset 0 e

an 2 ip vrrp 1 address 10.1.20.1 n 2 ip vrrp 1 enable

n 3 ip create 10.1.21.2/255.255.255.0 mac_offset 1 an 3 ip ospf interface-type passive

.1 an 3 ip vrrp 2 priority 200

2 enable

ORT CONFIGURATION - PHASE II

3/8 member portmember

0.3/255.255.255.0 mac_offset 0 e

an 2 ip vrrp 1 address 10.1.20.1 n 2 ip vrrp 1 priority 200

n 3 create byport 1

,2/1-2/8,3/1-3/8 member portmember member

vlan 3 ip create 10.1.21.3/255.255.255.0 mac_offset 1 vlan 3 ip ospf interface-type passive vlan 3 ip ospf enable vlan 3 ip vrrp 2 address 10.1.21.1 vlan 3 ip vrrp 2 enable # # PORT CONFIGURATION - PHASE II # ethernet 1/47 stg 1 stp disable ethernet 1/48 stg 1 stp disable

1 3 dis

2PP8600 "A": # # VLAN CONFIGURATION # vlan 2 create byport 1 vlan 2 ports remove 1/1-1/47,2/1-2/8,3/1-3/8 member porvlan 2 ports add 1/48 member portmembervlan 2 ip create 10.1.2vlan 2 ip ospf interface-type passivvlan 2 ip ospf enable vlvlavlan 3 create byport 1 vlavlvlan 3 ip ospf enable vvllan 3 ip vrrp 2 address 10.1.21

vlan 3 ip vrrp # # P# ethernet 1/47 stg 1 stp disable

ethernet 1/48 stg 1 stp disable

PP8600 "B": # # VLAN CONFIGURATION # vlan 2 create byport 1 vlan 2 ports remove 1/1-1/47,2/1-2/8,3/1-vlan 2 ports add 1/48 member portmember vlan 2 ip create 10.1.2vlan 2 ip ospf interface-type passivvlan 2 ip ospf enable vlvlavlan 2 ip vrrp 1 enable vla vlan 3 ports remove 1/1-1/46,1/48vlan 3 ports add 1/47 member port



3. VRRP Configuration: With Split-MLT

PP8600A

VLAN 2 IP = 10.1.20.3/24

VRRP VIP = 10.1.20.1 vrrp backup master enabled

S-MLT ID = 1

VLAN 2 IP = 10.1.20.2/24

VRRP VIP = 10.1.20.1 vrrp backup master enabled

S-MLT ID = 1

S-MLT

1/48

1/48

IST

2/2 2/1

2/1 2/2

BPS-2000

PP8600B

VLAN 3999

IST VLAN MLT ID = 1

Figure 2: VRRP with Split-MLT

In this configuration example, we wish to provide high availability for a Layer 2 edge feeding into a Layer 3 core. Both PP8600A and PP8600B will be configured with a port-based VLAN, in this example we will use VLAN = 2, with Split-MLT and VRRP enabled. This will provide not only sub-second fail-over protection, but will also provide load-balance. The BPS-2000 is simply configured for one Port-based VLAN and one MLT group for the aggregate uplink ports. The Passport 8600’s will be configured for backup-master enabled so that both switches can forward traffic.

3.1 Configuration Steps Passport 8600 "A": VRRP Configuration Command Comments Step 1 IST VLAN configuration config vlan 3999 create byport 1

vlan 3999 ip create 2.1.1.1/24 This command creates the IST VLAN = 3999 under the default STG = 1 group.

config mlt 1 create mlt 1 add ports 2/1-2/2 mlt 1 perform-tagging enable

These commands creates the IST Multilink trunk and adds the IST ports 2/1 and 2/2 using MLT ID = 1.

vlan 3999 add-mlt 1 This command adds the newly created IST to vlan 3999.

mlt 1 ist create ip 2.1.1.2 vlan-id 3999 mlt 1 ist enable

This creates the IST peer and enables the IST link.

Step 2 IST Ethernet Port Configuration config ethernet 2/1 cp-limit disable

config ethernet 2/2 cp-limit disable These commands turn off cp-limit for both of the IST links.


PP8600 TCG VRRP Version 1.2 August 2003 Step 3 VRRP and S-MLT Configuration for

Access VLAN to BPS-2000

config vlan 2 create byport 1 This command creates VLAN = 2 using Spanning Tree Group = 1. If using another STG group, create the new STG group first, then add port 1/48 to the new STG group.


config mlt 2 create config mlt 2 smlt create smlt-id 1

config vlan 2 add-mlt 1 config vlan 2 add-mlt 2

These two commands adds VLAN 2 to the IST and S-MLT groups

config mlt 2 add ports 1/48 Add port 1/48 to the S-MLT. config vlan 2 ip create 10.1.20.2/24 This command adds the IP address




config vlan 2 ip vrrp 1 address 10.1.20.1 config vlan 2 ip vrrp 1 backup-master enable config vlan 2 ip vrrp 1 enable

These commands add the VRRP VIP address of 10.1.20.1 to VLAN 2 with backup-master enabled so that both PP8600A and PP8600B can respond to ARP.

Passport 8600 "B": VRRP Configuration Command Comments Step 1 IST VLAN configuration config vlan 3999 create byport 1

vlan 3999 ip create 2.1.1.2/24 This command creates the IST VLAN = 3999 under the default STG = 1 group.

config mlt 1 create mlt 1 add ports 2/1-2/2 mlt 1 perform-tagging enable

These commands creates the IST Multilink trunk and adds the IST ports 2/1 and 2/2 using MLT ID = 1.

vlan 3999 add-mlt 1 This command adds the newly create IST to vlan 3999.

mlt 1 ist create ip 2.1.1.1 vlan-id 3999 mlt 1 ist enable

This creates the IST peer and enables the IST link.

Step 2 IST Ethernet Port Configuration config ethernet 2/1 cp-limit disable

config ethernet 2/2 cp-limit disable These commands turn off cp-limit for both of the IST links.

Step 3 VRRP and S-MLT Configuration for Access VLAN to BPS-2000






config mlt 2 create config mlt 2 smlt create smlt-id 1

config vlan 2 add-mlt 1 config vlan 2 add-mlt 2

These two commands adds VLAN 2 to the IST and S-MLT groups

config mlt 2 add ports 1/48 Add port 1/48 to the S-MLT. config vlan 2 ip create 10.1.20.1/24 This command adds the IP address




config vlan 2 ip vrrp 1 address 10.1.20.1 config vlan 2 ip vrrp 1 backup-master enable config vlan 2 ip vrrp 1 fast-adv-enable enable config vlan 2 ip vrrp 1 enable

These commands add the VRRP VIP address of 10.1.20.1 to VLAN 2 with backup-master enabled so that both PP8600A and PP8600B can respond to ARP. Note, that fast advertisement is enabled. This is proprietary to Nortel to support an advertisement interval from 200 to 1000 ms with default of 200. If normal vrrp is required, disable fast advertisement.

3.2 Verification After the Passport switches are configured, the VRRP status can be viewed by using the commands shown in section 2.2 of this document.

3.3 Configuration Files PP8600 "A" # MLT CONFIGURATION # mlt 1 create mlt 1 add ports 2/1-2/2 mlt 1 perform-tagging enable mlt 1 ist create ip 2.1.1.2 vlan-id 3999

le

t 2 smlt create smlt-id 1

mlt 1 ist enabmlt 2 create mlt 2 add ports 1/48 ml # VLAN CONFIGURATION #


PP8600 TCG VRRP Version 1.2 August 2003 vlan 1 ports remove 1/48,2/1-2/2 member portmember

disc-enable disable rt 1

tmember rtmember

0.2/255.255.255.0 mac_offset 1 e

ter enable nable enable

an 3999 ports remove 1/1-1/48,2/3-2/8,3/1-3/8 member portmember r portmember

n 3999 ip create 2.1.1.1/255.255.255.0 mac_offset 0

lticast-limit 15000 broadcast-limit 10000 hernet 2/1 stg 1 stp disable

ethernet 2/2 default-vlan-id 3999 ethernet 2/2 cp-limit disable multicast-limit 15000 broadcast-limit 10000 etherne

4. Software Baseline This do .5.

5. Reference Documentation: t n

ber Description

vlan 1 ip igmp mrdisc mrvlan 2 create bypovlan 2 add-mlt 1 vlan 2 add-mlt 2 vlan 2 ports remove 1/1-1/47,2/3-2/8,3/1-3/8 member porvlan 2 ports add 1/48,2/1-2/2 member povlan 2 ip create 10.1.2vlan 2 ip ospf interface-type passivvlan 2 ip ospf enable vlan 2 ip vrrp 1 address 10.1.20.1 vlan 2 ip vrrp 1 backup-mas

t-adv-evlan 2 ip vrrp 1 fasvlan 2 ip vrrp 1 enable vlan 3999 create byport 1 vlan 3999 add-mlt 1 vlvlan 3999 ports add 2/1-2/2 membevla # PORT CONFIGURATION - PHASE II # ethernet 2/1 default-vlan-id 3999 ethernet 2/1 cp-limit disable muet

t 2/2 stg 1 stp disable

cument is based on Passport 8600 Software Release 3

Documen Title PublicatioNum

Configuring IP Routing Operations

314720-C Rev 00May 2003

Technical Publication

PP8600 TCG ARP n/a Technical Config Guide PP8600 TCG OSPF n/a Technical Config Guide PP8600 TCG QoS Filters n/a Technical Config Guide PP8600 TCG RIP n/a Technical Config Guide


http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?BV_SessionID=@@@@0596164734.1054320445@@@@&BV_EngineID=eadchgeemjlibhkcginchgcgio.0&level=6&category=8&subcategory=5&subtype=&DocumentOID=86495&RenditionID=REND39072


6. Addendum A The following CLI strings are intended to be used in a cut and paste manner to facilitate Passport 8600 VRRP configurations. Please reference the associated figure and configuration notes in that section then use the Acrobat "Text Select Tool" to copy the commands and paste in a provisioning window, edit associated parameters as required.

6.1 VRRP Normal Operation CLI Reference Figure 1 (page 4) and the configuration tables on pages 4-7: Passport 8600A Configuration: config vlan 2 create byport 1 config vlan 2 ports add 1/48 config vlan 2 ip create 10.1.20.2/24 config vlan 2 ip ospf interface-type passive config vlan 2 ip ospf enable config vlan 2 ip vrrp 1 address 10.1.20.1 config vlan 2 ip vrrp 1 fast-adv-enable enable config vlan 2 ip vrrp 1 enable config ethernet 1/48 stg 1 stp disable config vlan 3 create byport 1 config vlan 3 ports add 1/47 config vlan 3 ip create 10.1.21.2/24 config vlan 3 ip ospf interface-type passive config vlan 3 ip ospf enable config vlan 3 ip vrrp 2 address 10.1.21.1 config vlan 3 ip vrrp 2 priority 200 config vlan 3 ip vrrp 2 fast-adv-enable enable config vlan 3 ip vrrp 2 enable config ethernet 1/47 stg 1 stp disable Passport 8600B Configuration: config vlan 2 create byport 1 config vlan 2 ports add 1/48 config vlan 2 ip create 10.1.20.3/24 config vlan 2 ip ospf interface-type passive config vlan 2 ip ospf enable config vlan 2 ip vrrp 1 address 10.1.20.1 config vlan 2 ip vrrp 1 priority 200 config vlan 2 ip vrrp 1 fast-adv-enable enable config vlan 2 ip vrrp 1 enable config ethernet 1/48 stg 1 stp disable config vlan 3 create byport 1 config vlan 3 ports add 1/47 config vlan 3 ip create 10.1.21.3/24 config vlan 3 ip ospf interface-type passive


PP8600 TCG VRRP Version 1.2 August 2003 config vlan 3 ip ospf enable config vlan 3 ip vrrp 2 address 10.1.21.1 config vlan 3 ip vrrp 2 fast-adv-enable enable config vlan 3 ip vrrp 2 enable config ethernet 1/47 stg 1 stp disable

6.2 VRRP With Split-MLT CLI Reference Figure 2 (page 9) and the configuration tables on pages 9-11: Passport 8600A Configuration: config vlan 3999 create byport 1 vlan 3999 ip create 2.1.1.1/24 config mlt 1 create mlt 1 add ports 2/1-2/2 mlt 1 perform-tagging enable vlan 3999 add-mlt 1 mlt 1 ist create ip 2.1.1.2 vlan-id 3999 mlt 1 ist enable config ethernet 2/1 cp-limit disable config ethernet 2/2 cp-limit disable config vlan 2 create byport 1 config vlan 2 ports add 1/48 config mlt 2 create config mlt 2 smlt create smlt-id 1 config vlan 2 add-mlt 1 config vlan 2 add-mlt 2 config mlt 2 add ports 1/48 config vlan 2 ip create 10.1.20.2/24 config vlan 2 ip ospf interface-type passive config vlan 2 ip ospf enable config vlan 2 ip vrrp 1 address 10.1.20.1 config vlan 2 ip vrrp 1 backup-master enable config vlan 2 ip vrrp 1 enable Passport 8600B Configuration: config vlan 3999 create byport 1 vlan 3999 ip create 2.1.1.2/24 config mlt 1 create mlt 1 add ports 2/1-2/2 mlt 1 perform-tagging enable vlan 3999 add-mlt 1 mlt 1 ist create ip 2.1.1.1 vlan-id 3999 mlt 1 ist enable config ethernet 2/1 cp-limit disable config ethernet 2/2 cp-limit disable config vlan 2 create byport 1 config vlan 2 ports add 1/48




config mlt 2 create config mlt 2 smlt create smlt-id 1 config vlan 2 add-mlt 1 config vlan 2 add-mlt 2 config mlt 2 add ports 1/48 config vlan 2 ip create 10.1.20.1/24 config vlan 2 ip ospf interface-type passive config vlan 2 ip ospf enable config vlan 2 ip vrrp 1 address 10.1.20.1 config vlan 2 ip vrrp 1 backup-master enable config vlan 2 ip vrrp 1 fast-adv-enable enable config vlan 2 ip vrrp 1 enable

Copyright © 2003 Nortel Networks All rights reserved. August 2003 The information in this document is subject to change without notice. The statements, configurations, technical data, and recommendations in this document are believed to be accurate and reliable, but are presented without express or implied warranty. Users must take full responsibility for their applications of any products specified in this document. The information in this document is proprietary to Nortel Networks Inc. The software described in this document is furnished under a license agreement and may be used only in accordance with the terms of that license. Trademarks Nortel Networks, the Nortel Networks logo, the Globemark, Unified Networks, and PASSPORT are trademarks of Nortel Networks. Adobe and Acrobat Reader are trademarks of Adobe Systems Incorporate.

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