Cisco CRS Configuration Guide

FRR (fast reroute) 175, 176
link protection 175
over link bundles 176
with MPLS TE 175
FRR (Fast Reroute) 176
over link bundles 176
functions 187
G
general 371
generalized label request 112
generalized UNI attribute 112
GMPLS (generalized multiprotocol label switching) 241
how to configure 241
GMPLS (Generalized Multiprotocol Label Switching) 178, 179,
180
benefits 178
prerequisites 180
protection and restoration 179
support 178
GMPLS UNI 371
prerequisites 371
GMPLS UNI (Generalized Multiprotocol Label Switching User
Network Interface) 371
standards 371
graceful restart 11, 12, 14, 19, 43, 114, 125
failure recovery 14
how to set up LDP NSF 43
LDP 11, 43
mechanism 12
NSR 19
phases 12
RSVP 114
session parameters 11
graceful restart, how to enable 125
H
head node 113
hello discovery mechanism 7
hello interval, how to change 149
hello messages 116
hierarchy 263
high availability 113
high availability, RSVP 113
high-availability 114
hop-by-hop 7
how to buildi 213
how to configure 8, 27, 34, 39, 123, 240, 241, 242, 244, 264, 286
tunnel bandwidth, engineering 123
how to configure over IPCC 244
how to define 7, 19, 177, 186
how to exchange 8
how to set up 9
how to set up LDP NSF 43
how to verify 129
I
IETF DS-TE mode 172
Ignore Intermediate System-to-Intermediate System (IS-IS) 177,
240
overload bit setting 177, 240
Ignore IS-IS 240
overload bit setting 240
IGP (interior gateway protocols) 7, 17
prefixes 7
routing protocols 7
synchronizing with LDP 17
IGP (Interior Gateway Protocols) 5, 7
prefixes 7
routing protocols 7
with LDP 5
IGP prefixes 7
IGP synchronization 17
implementation 25
implementing 122
interface-based graceful restart 125
IP Fast Reroute Loopfree Alternative 176
IP LDP Fast Reroute Loop Free Alternate 19
IP Time to Live (TTL) 116
IPCC (IP Control Channel) 242
how to configure 242
IS-IS (ignore intermediate system-to-intermediate system) 177
overload bit setting 177
IS-IS (intermediate system-to-intermediate system) 176
IP Fast Reroute Loopfree Alternative 176
K
keepalive mechanism 7
L
Label Acceptance (Inbound Filtering), example 82
label advertisement 15, 34
control 15
control, LDP 15
how to configure 34
prerequisites 34
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
IN-3
Index

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