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7750 SR OS
Interface Configuration Guide
Software Version: 7750 SR OS 8.0 r4
July 2010
Document Part Number: 93-0072-07-02
*93-0072-07-02*
This document is protected by copyright. Except as specifically permitted herein, no portion of the provided information can be
reproduced in any form, or by any means, without prior written permission from Alcatel-Lucent.
Alcatel, Lucent, Alcatel-Lucent and the Alcatel-Lucent logo are trademarks of Alcatel-Lucent. All other trademarks are the property of
their respective owners.
The information presented is subject to change without notice.
Alcatel-Lucent assumes no responsibility for inaccuracies contained herein.
Copyright 2010 Alcatel-Lucent. All rights reserved.
7750 SR OS Interface Configuration Guide Page 3
TABLE OF CONTENTS
Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Getting Started
Alcatel-Lucent 7750 SR-Series Router Configuration Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
7750 SR-Series Interfaces
Configuration Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Chassis Slots and Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
MCMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
MDAs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
CMAs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Versatile Service Module (VSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Oversubscribed Ethernet MDAs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Rate Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Packet Classification and Scheduling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Channelized MDA/CMA Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Channelized DS-1/E-1 CMA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
DS-3/E-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Channelized OC-12/STM-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Channelized CHOC-3/STM-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Channelized Any Service Any Port (ASAP) CHOC-3/STM-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Channelized OC-12/STM-4 ASAP MDAs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Channelized DS-3/E-3 ASAP MDA (4-Port). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Channelized DS-3/E-3 ASAP MDA (12-Port). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Channelized OC-3/STM-1 Circuit Emulation Services (CES) CMA and MDA . . . . . . . . . . . . . . . . .28
Network Interconnections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Digital Diagnostics Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Alcatel-Lucent SFPs and XFPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Statistics Collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Port Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Port Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
SONET/SDH Port Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
SONET/ SDH Path Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Multilink Frame Relay. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
FRF.12 End-to-End Fragmentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
FRF.12 UNI/NNI Link Fragmentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
MLFR/FRF.12 Support of APS, BFD, and Mirroring Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Multilink Point-to-Point Protocol (MLPPP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Multi-Class MLPPP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Cisco HDLC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Automatic Protection Switching (APS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Inverse Multiplexing Over ATM (IMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Ethernet Local Management Interface (E-LMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Link Layer Discovery Protocol (LLDP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
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LLDP Protocol Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
LAG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
LAG Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Configuring LAGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
LAG and ECMP Hashing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Per Flow Hashing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Per Service Consistent Hashing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
LAG on Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
LSR Hashing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
Per-fp-ing-queuing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Port Link Damping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
LACP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
LAG Subgroups on Access for DSLAM Aggregation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Multi-Chassis LAG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
MC-LAG and Subscriber Routed Redundancy Protocol (SRRP). . . . . . . . . . . . . . . . . . . . . . . . . .120
Point-to-Point (p2p) Redundant Connection Across Layer 2 VPN Network. . . . . . . . . . . . . . . . . .121
DSLAM Dual Homing in Layer 2 TPSDA Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
G.8031 Protected Ethernet Tunnels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
G.8032 Protected Ethernet Rings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
802.3ah OAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
OAM Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Remote Loopback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
802.3ah OAM PDU Tunneling for Epipe Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
MTU Configuration Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
Deploying Preprovisioned Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
Configuration Process Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
Configuration Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Configuring Physical Ports with CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Preprovisioning Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Predefining Entities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Preprovisioning a Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144
Maximizing Bandwidth Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
Basic Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146
Common Configuration Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
Configuring Cards and MDAs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
Configuring Cards, MDA Carrier Modules (MCMs) and Media Dependent Adapters (MDAs) . . . . . . . . .150
Configuring Cards and Compact Media Adapters (CMAs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
Configuring Forwarding Plane Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
Configuring MDA/CMA Access and Network Pool Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153
Configuring MDA Policies for Named Pools Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154
Configuring Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
Configuring Port Pool Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
Changing Hybrid-Buffer-Allocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
Configuring APS Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159
Configuring Ethernet Port Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161
Ethernet Network Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161
Ethernet Access Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
Configuring 802.1x Authentication Port Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
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Configuring SONET/SDH Port Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164
SONET/SDH Network Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165
SONET/SDH Access Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166
Configuring Channelized Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167
Configuring Channelized STM1/OC3 Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .185
Configuring ATM SAPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189
ATM SAP in an IES Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189
ATM SAP in an Epipe Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189
Configuring DWDM Port Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .190
Configuring WaveTracker Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .191
Configuring OTU Port Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .195
Configuring ATM Interface Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .197
PLCP/Direct Mapping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .197
ATM Interface Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200
Configuring Frame Relay Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202
SONET/SDH Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204
Configuring Multilink PPP Bundles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .206
Configuring Multilink ATM Inverse Multiplexing (IMA) Bundles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207
IMA Bundles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207
Multi-Class MLPPP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .210
IMA Test Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211
Configuring Bundle Protection Group Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212
Configuring LAG Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217
Configuring G.8031 Protected Ethernet Tunnels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218
Service Management Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220
Modifying or Deleting an MDA, MCM, or CMA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220
Modifying a Card Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .221
Deleting a Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .222
Deleting Port Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .222
Soft IOM Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .223
Card, MDA, and Port Command Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .225
Standards and Protocol Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .621
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .627
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Table of Contents
7750 SR OS Interface Configuration Guide Page 7
LIST OF TABLES
Getting Started
Table 1: Configuration Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
7750 SR-Series Interfaces
Table 2: Typical Mapping Of Classes Onto Queues/Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Table 3: Real-Time DDM Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Table 4: DDM Alarms and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Table 5: Valid SONET and SDH Path Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Table 6: MLFR Bundle Link Integrity Configurable Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Table 7: Default Packet Forwarding Class to MLPPP Class Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Table 8: Packet Forwarding Class to MLPPP Class Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Table 9: MLPPP Class Queue Threshold Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Table 10: MLPPP Class Queue Scheduling Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Table 11: MLPPP Ingress QoS Profile: Reassembly Timers (msec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Table 12: cHDLC I-Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Table 13: cHDLC Protocol Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Table 14: SC-APS versus MC-APS Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Table 15: APS Switching Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Table 16: K1 Byte, Bits 1-4: Type of Request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Table 17: K1 Byte, Bits 5-8 (and K2 Bits 1-4), Channel Number Code Assignments . . . . . . . . . . . . . . . .72
Table 18: K2 Byte Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Table 19: Differences Between SONET and SDH Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Table 20: Actions for the Bi-directional Protection Switching Process . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Table 21: Switching Mode to MIB Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Table 22: Supported APS Mode Combinations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Table 23: MDA/Port Type Pairing for APS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Table 24: MTU Default Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
Table 25: MTU Configuration Example Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Table 26: Channelization Options Available on the 7750 SR Channelized MDAs . . . . . . . . . . . . . . . . . .167
Table 27: Channelized Port Syntax Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
Table 28: Alarm State Interactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .198
Table 29: DWDM Channel Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .280
Page 8 7750 SR OS Interface Configuration Guide
List of Tables
7750 SR OS Interface Configuration Guide Page 9
LIST OF FIGURES
7750 SR-Series Interfaces
Figure 1: MLPPP 24-bit Fragment Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Figure 2: MLPPP 12-bit Fragment Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Figure 3: Frame Sequence of Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Figure 4: Original MLPPP Header Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Figure 5: MC-MLPPP Short Sequence Header Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Figure 6: MLPPP Class Queue Thresholds for In-Profile and Out-of-Profile Packets. . . . . . . . . . . . . . . .54
Figure 7: MLPPP Class Queue Scheduling Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Figure 8: APS Protection (Single Chassis APS) and Switchover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Figure 9: SC-APS Group with MDA and IOM Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Figure 10: MC-APS Group Protects Against Node Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Figure 11: APS Working and Protection Circuit Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Figure 12: SC-APS MLPPP on Channelized Access Interfaces Example . . . . . . . . . . . . . . . . . . . . . . . . .84
Figure 13: MC-APS MLPPP on Channelized Access Intefaces Example. . . . . . . . . . . . . . . . . . . . . . . . . .85
Figure 14: Multi-Chassis APS Application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Figure 15: Access and Node and Network Resilience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Figure 16: MC-APS with ATM VLL Redundancy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Figure 17: Mobile RAN with Microwave Transport Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Figure 18: 1+1 APS Protected Microwave SDH Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Figure 19: LLDP Internal Architecture for a Network Node. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Figure 20: Generic Customer Use Case For LLDP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Figure 21: LAG Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
Figure 22: LAG on Access Interconnection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Figure 23: LAG on Access Failure Switchover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Figure 24: MC-LAG Dual Homing to Remote PE Pairs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Figure 25: MC-LAG Dual Homing to Local PE-Pairs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Figure 26: P2P Redundant Connection Through a Layer 2 VPN Network . . . . . . . . . . . . . . . . . . . . . . . .121
Figure 27: DSLAM Dual-Homing Using MC-LAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Figure 28: 802.1x Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Figure 29: 802.1x Authentication Scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
Figure 30: 802.1x EAPOL Timers (left) and RADIUS Timers (right) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Figure 31: MTU Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Figure 32: Slot, Card, MDA, and Port Configuration and Implementation Flow . . . . . . . . . . . . . . . . . . . .139
Figure 33: Channelized DS3 Port Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Figure 34: Channelized OC-12 Port Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Page 10 7750 SR OS Interface Configuration Guide
List of Figures
7750 SR OS Interface Configuration Guide Page 11
Preface
About This Guide
This guide describes system concepts and provides configuration examples to provision input/
output modules (IOMs), also referred to as cards, Media Dependent Adapters (MDAs), and ports.
This document is organized into functional chapters and provides concepts and descriptions of the
implementation flow, as well as Command Line Interface (CLI) syntax and command usage.
Audience
This manual is intended for network administrators who are responsible for configuring the 7750
SR-Series routers. It is assumed that the network administrators have an understanding of
networking principles and configurations, routing processes, and protocols and standards,
including:
•CLI concepts
• IOM, MDA, and port configuration
• QoS policies
•Services
Preface
Page 12 7750 SR OS Interface Configuration Guide
List of Technical Publications
The 7750 SR documentation set is composed of the following books:
• 7750 SR OS Basic System Configuration Guide
This guide describes basic system configurations and operations.
• 7750 SR OS System Management Guide
This guide describes system security and access configurations as well as event logging
and accounting logs.
• 7750 SR OS Interface Configuration Guide
This guide describes card, Media Dependent Adapter (MDA), and port provisioning.
• 7750 SR OS Router Configuration Guide
This guide describes logical IP routing interfaces and associated attributes such as an IP
address, port, link aggregation group (LAG) as well as IP and MAC-based filtering.
• 7750 SR OS Routing Protocols Guide
This guide provides an overview of routing concepts and provides configuration examples
for RIP, OSPF, IS-IS, BGP, and route policies.
• 7750 SR OS MPLS Guide
This guide describes how to configure Multiprotocol Label Switching (MPLS) and Label
Distribution Protocol (LDP).
• 7750 SR OS Services Guide
This guide describes how to configure service parameters such as service distribution
points (SDPs), customer information, and user services.
• 7750 SR OS OAM and Diagnostic Guide
• This guide describes how to configure features such as service mirroring and Operations,
Administration and Management (OAM) tools.
• 7750 SR OS Triple Play Guide
This guide describes Triple Play services and support provided by the 7750 SR7450
ESS7710 SR and presents examples to configure and implement various protocols and
services.
• 7750 SR OS Quality of Service Guide
This guide describes how to configure Quality of Service (QoS) policy management.
• OS Multi-Service ISA Guide
This guide describes services provided by integrated service adapters such as Application
Assurance, IPSec, ad insertion (ADI) and Network Address Translation (NAT).
Preface
7750 SR OS Interface Configuration Guide Page 13
Technical Support
If you purchased a service agreement for your 7750 SR-series router and related products from a
distributor or authorized reseller, contact the technical support staff for that distributor or reseller
for assistance. If you purchased an Alcatel-Lucent service agreement, contact your welcome
center:
Web: http://www1.alcatel-lucent.com/comps/pages/carrier_support.jhtml
Preface
Page 14 7750 SR OS Interface Configuration Guide
7750 SR OS Interface Configuration Guide Page 15
GETTING STARTED
In This Chapter
This chapter provides process flow information to configure cards, MDAs and ports.
Alcatel-Lucent 7750 SR-Series Router Configuration Pro-
cess
Table 1 lists the tasks necessary to provision input/output control modules (IOMs), also referred to
as cards, Media Carrier Modules (MCMs), Media Dependent Adapters (MDAs), and ports.
This guide is presented in an overall logical configuration flow. Each section describes a software
area and provides CLI syntax and command usage to configure parameters for a functional area.
Table 1: Configuration Process
Area Task Chapter
Provisioning Chassis slots and cards Chassis Slots and Cards on page 19
MCMs MCMs on page 19
MDAs MDAs on page 20
Versatile Service Module Versatile Service Module (VSM) on page 23
Ports Ports on page 34
Reference List of IEEE, IETF, and other
proprietary entities.
Standards and Protocol Support on page 621
Getting Started
Page 16 7750 SR OS Interface Configuration Guide
7750 SR OS Interface Configuration Guide Page 17
7750 SR-Series Interfaces
In This Chapter
This chapter provides information about configuring chassis slots, cards, and ports.
Topics in this chapter include:
• Configuration Overview on page 19
→ Chassis Slots and Cards on page 19
→ MCMs on page 19
→ MDAs on page 20
− Oversubscribed Ethernet MDAs on page 24
− Channelized MDA/CMA Support on page 26
→ Versatile Service Module (VSM) on page 23
→ Digital Diagnostics Monitoring on page 30
→ Ports on page 34
− Port Types on page 34
− Port Features on page 38
− SONET/SDH Port Attributes on page 38
− Multilink Point-to-Point Protocol (MLPPP) on page 46
− Cisco HDLC on page 59
− Automatic Protection Switching (APS) on page 62
− Inverse Multiplexing Over ATM (IMA) on page 92
− Link Layer Discovery Protocol (LLDP) on page 96
→ LAG on page 101
− Multi-Chassis LAG on page 116
− Oversubscribed Ethernet MDAs on page 24
− 802.1x Network Access Control on page 124
→ MTU Configuration Guidelines on page 135
→ Deploying Preprovisioned Components on page 138
Interface Configuration
7750 SR OS Interface Configuration Guide Page 19
Configuration Overview
NOTE: This document uses the term preprovisioning in the context of preparing or preconfiguring
entities such as chassis slots, line cards (or input/output modules (IOMs) and media dependent
adapters (MDAs), ports, and interfaces, prior to initialization. These entities can be installed but
not enabled. When the entity is in a no shutdown state (administratively enabled), then the entity
is considered to be provisioned.
Alcatel-Lucent 7750 SR-Series routers provide the capability to configure chassis slots to accept
specific line card and MDA types and set the relevant configurations before the equipment is
actually installed. The preprovisioning ability allows you to plan your configurations as well as
monitor and manage your router hardware inventory. Ports and interfaces can also be
preprovisioned. When the functionality is needed, the card(s) can be inserted into the appropriate
chassis slots when required.
The following sections are discussed.
• Chassis Slots and Cards on page 19
• MDAs on page 20
• Ports on page 34
Chassis Slots and Cards
To pre-provision a chassis slot, the line card type must be specified as well as the MDA type.
System administrators or network operators can enter card type information for each slot, allowing
a range of card types in particular slots. From the range of card types, a card and accompanying
MDAs are specified. When a card is installed in a slot and enabled, the system verifies that the
installed card type matches the allowed card type. If the parameters do not match, the card remains
offline. A preprovisioned slot can remain empty without conflicting with populated slots.
SR7/SR12 systems accept Input/Output Modules (IOM) cards. These IOM cards have two slots
which accept MDA modules. The SR-c12 and SR-c4 systems do not accept IOMs. SR-c12 and
SR-c4 systems accept MDAs using an MDA Carrier Modules. SR-c12 and SR-c4 systems also
accept Compact Media Modules (CMAs) directly without the need for MCMs. Refer to the
appropriate system installation guide for more information.
MCMs
An MCM (MDA Carrier Module) slot must be configured before an MDA (Media Dependant
Adapter) can be provisioned. If you provision an MDA type before an MCM slot is configured, it
is assumed you are provisioning a Compact Media Adapter (subscriber/SAP/spoke SDP). CMAs
Configuration Overview
Page 20 7750 SR OS Interface Configuration Guide
do not require MCM pre-configuration. Up to six MCMs may be provisioned on a 7750 SR-c12.
Even numbered slots are invalid for MCM installation (MCMs physically span 2 slots; “mcm 1”
spans slots 1 and 2)
Refer to the CMA Installation Guide(s) and MDA Installation Guide(s) for more information on
the physical characteristics of each card.
MDAs
A chassis slot and card type must be specified and provisioned before an MDA can be
preprovisioned. An MDA is provisioned when a type designated from the allowed MDA types is
inserted. A preprovisioned MDA slot can remain empty without conflicting with populated slots.
Once installed and enabled, the system verifies that the installed MDA type matches the
configured parameters. If the parameters do not match, the MDA remains offline.
A chassis slot, card type and MCM must be specified and provisioned before an MDA can be
preprovisioned. An MDA is provisioned when a type designated from the allowed MDA type is
inserted. A preprovisioned MDA slot can remain empty without conflicting with populated slots.
Up to six MDAs may be provisioned on a 7750 SR-c12. Even numbered slots are invalid for MDA
installation (MDAs physically span 2 slots; “mda 1” spans slots 1 and 2).
MDA output displays an “m” in the name of the card. The following displays a
show card state
command. In this example, an m60-10/100eth-tx MDA is installed in slot 1.
A:7750-3>config>card# show card state
===============================================================================
Card State
===============================================================================
Slot/ Provisioned Equipped Admin Operational Num Num Comments
Id Type Type State State Ports MDA
-------------------------------------------------------------------------------
1 iom-xp iom-xp up up 12
1/1 mcm-xp mcm-xp up up
1/3 mcm-xp up unprovisioned
1/1 m60-10/100eth-tx m60-10/100eth-tx up up
1/5 c8-10/100eth-tx c8-10/100eth-tx up up
1/6 c1-1gb-sfp up unprovisioned
1/7 c8-chds1 up unprovisioned
1/8 c4-ds3 up unprovisioned
1/9 c8-10/100eth-tx up unprovisioned
1/10 c1-1gb-sfp up unprovisioned
1/11 c8-chds1 up unprovisioned
1/12 c4-ds3 up unprovisioned
A cfm-xp cfm-xp up up Active
B cfm-xp up down Standby
===============================================================================
A:7750-3>config>card#
/