Cisco CRS Configuration Guide

Where DocumentedIntroduced/Changed in ReleaseDescriptionFeature
Implementing MPLS Traffic
Engineering chapter:
MPLS TE Auto-tunnel Mesh
One-hop, on page 213
Enabling Auto-onehop Tunnels
to Next-hop Neighbors, on
page 340
Release 5.1.2This feature was introduced.MPLS TE Auto-tunnel Primary
One-hop
Implementing MPLS Traffic
Engineering chapter:
Inter-area Traffic Engineering
with Dynamic ABR Discovery,
on page 213
Release 5.1.2This feature was introduced.Inter-area Traffic Engineering
with Dynamic ABR Discovery
Implementing GMPLS UNI
chapter:
GMPLS RSVP VRF Signaling,
on page 373
Release 5.1.3This feature was introduced.GMPLS RSVP VRF Signaling
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
3
New and Changed Feature Information in Cisco IOS XR Release 5.1.x
New and Changed Feature Information in Cisco IOS XR Release 5.1.x

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