Cisco NCS 6000 Series User Manual

Default Routes 209
Attached Bit on an IS-IS Instance 209
IS-IS Support for Route Tags 209
MPLS Label Distribution Protocol IGP Synchronization 210
MPLS LDP-IGP Synchronization Compatibility with LDP Graceful Restart 210
MPLS LDP-IGP Synchronization Compatibility with IGP Nonstop Forwarding 210
Label Distribution Protocol IGP Auto-configuration 210
MPLS TE Forwarding Adjacency 211
MPLS TE Interarea Tunnels 211
IP Fast Reroute 211
IS-IS Over GRE Interfaces 211
Unequal Cost Multipath Load-balancing for IS-IS 212
Enabling IS-IS and Configuring Level 1 or Level 2 Routing 212
Configuring Single Topology for IS-IS 214
Controlling LSP Flooding for IS-IS 218
Configuring Nonstop Forwarding for IS-IS 221
Configuring Authentication for IS-IS 223
Configuring Keychains for IS-IS 224
Configuring MPLS Traffic Engineering for IS-IS 225
Tuning Adjacencies for IS-IS 227
Setting SPF Interval for a Single-Topology IPv4 and IPv6 Configuration 230
Customizing Routes for IS-IS 231
Configuring MPLS LDP IS-IS Synchronization 234
Tagging IS-IS Interface Routes 235
Setting the Priority for Adding Prefixes to the RIB 236
Configuring IP Fast Reroute Loop-free Alternate 237
Configure Remote Loop-Free Alternate Paths for IS-IS 238
Configuring IS-IS Overload Bit Avoidance 247
ISIS Link Group 248
Configure Link Group Profile 248
Configure Link Group Interface 250
Configuration Examples for Implementing IS-IS 252
Configuring Single-Topology IS-IS for IPv6: Example 252
Configuring Multitopology IS-IS for IPv6: Example 252
Routing Configuration Guide for Cisco NCS 6000 Series Routers, IOS XR Release 6.4.x
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Contents

Cisco NCS 6000 Series Specifications

General

Brand	Cisco
Model	NCS 6000 Series
Category	Network Router
Language	English