Cisco CRS Configuration Guide

CHAPTER 1
New and Changed Feature Information in Cisco
IOS XR Release 5.1.x
This table summarizes the new and changed feature information for the Cisco IOS XR MPLS Configuration
Guide for the Cisco CRS Router, and tells you where they are documented.
For a complete list of new and changed features in Cisco IOS XR Software, Release 5.1.x, see the document.
•
New and Changed Feature Information in Cisco IOS XR Release 5.1.x, page 1
New and Changed Feature Information in Cisco IOS XR Release
5.1.x
Table 2: New and Changed Features in Cisco IOS XR Software
Where DocumentedIntroduced/Changed in ReleaseDescriptionFeature
Implementing MPLS Traffic
Engineering chapter:
Stateful Path Computation
Element, on page 208
Release 5.1.1This feature was introduced.Stateful Path Computation
Element
Implementing MPLS Traffic
Engineering chapter:
MPLS TE Extended Admin
Groups, on page 208
Release 5.1.1This feature was introduced.MPLS TE Extended Admin
Groups
Implementing MPLS Traffic
Engineering chapter:
VRF Redirection to MPLS TE
Tunnels, on page 207
Release 5.1.1This feature was introduced.VRF Redirection to MPLS TE
Tunnels
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
1

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