Cisco NCS 5500 Series

Configure MPLS Traffic Engineering for IS-IS 31
MPLS TE Forwarding Adjacency 33
Tune Adjacencies for IS-IS 33
MPLS Label Distribution Protocol IGP Synchronization 36
Configuring MPLS LDP IS-IS Synchronization 36
IS-IS Overload Bit Avoidance 37
Configure IS-IS Overload Bit Avoidance 38
Configuring Global Weighted SRLG Protection 39
References for IS-IS 41
IS-IS Functional Overview 41
Default Routes 41
Overload Bit on Router 42
Overload Bit Configuration During Multitopology Operation 42
Attached Bit on an IS-IS Instance 42
IS-IS Support for Route Tags 42
Flood Blocking on Specific Interfaces 43
Maximum LSP Lifetime and Refresh Interval 43
Mesh Group Configuration 43
Multi-Instance IS-IS 43
Label Distribution Protocol IGP Auto-configuration 43
MPLS LDP-IGP Synchronization Compatibility with LDP Graceful Restart 44
MPLS LDP-IGP Synchronization Compatibility with IGP Nonstop Forwarding 44
Implementing OSPF 45
CHAPTER 3
Prerequisites for Implementing OSPF 46
Enable OSPF 46
Verify OSPF Configuration and Operation 48
Stub Area 51
Not-so-Stubby Area 51
Configure Stub and Not-So-Stubby Area Types 51
Neighbors and Adjacency for OSPF 54
Configure Neighbors for Nonbroadcast Networks 54
Authentication Strategies 58
Configure Authentication at Different Hierarchical Levels for OSPF Version 2 58
Routing Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.3.x
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Contents