Cisco CRS Configuration Guide

PurposeCommand or Action
(Optional) Displays the SRLG values configured for a specific
interface.
show srlg interface type interface-path-id
Example:
RP/0/RP0/CPU0:router# show srlg interface
POS 0/6/0/0
Step 6
(Optional) Displays the SRLG values for all the configured interfaces.show srlg
Step 7
Example:
RP/0/RP0/CPU0:router# show srlg
You can configure up to 250
interfaces.
Note
Related Topics
MPLS Traffic Engineering Shared Risk Link Groups, on page 198
Explicit Path, on page 199
Fast ReRoute with SRLG Constraints, on page 199
Importance of Protection, on page 201
Delivery of Packets During a Failure, on page 202
Multiple Backup Tunnels Protecting the Same Interface , on page 202
SRLG Limitations, on page 202
MPLS TE SRLG Scale Enhancements, on page 203
Configure the MPLS-TE Shared Risk Link Groups: Example, on page 353
Creating an Explicit Path With Exclude SRLG
Perform this task to create an explicit path with the exclude SRLG option.
SUMMARY STEPS
1.
configure
2.
explicit-path {identifier number [disable | index]}{ name explicit-path-name}
3.
index 1 exclude-address 192.168.92.1
4.
index 2 exclude-srlg 192.168.92.2
5.
Use the commit or end command.
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
296
Implementing MPLS Traffic Engineering
Configuring the Shared Risk Link Groups

Cisco CRS Specifications

General

Operating System	Cisco IOS XR
Product Type	Core Router
Form Factor	Modular Chassis
Dimensions	Varies by chassis type
Weight	Varies by chassis type
Architecture	Distributed
Switch Fabric	Multi-stage
Interface Support	Ethernet, SONET/SDH, OTN
Interfaces/Ports	Varies by line card
Port Density	Varies by line card
Routing Protocol	BGP, IS-IS, OSPF, MPLS
Management	CLI, SNMP
Power Supply	Redundant, hot-swappable
Cooling	Redundant, Hot-swappable Fan Trays
Supported Protocols	IPv4, IPv6, MPLS
Management Interfaces	Ethernet, console
Security Features	ACLs