Cisco NCS 5500 Series Configuration Guide

Restrictions for L3VPN iBGP PE-CE 60
Configuring L3VPN iBGP PE-CE 60
Flow-tag propagation 63
Restrictions for flow-tag propagation 63
Source and destination-based flow tag 63
Configure Source and Destination-based Flow Tag 63
BGP Keychains 65
Configure Keychains for BGP 65
BGP Nonstop Routing 66
Configure BGP Nonstop Routing 66
Disable BGP Nonstop Routing 66
Re-enable BGP Nonstop Routing 67
Accumulated Interior Gateway Protocol Attribute 68
Originate Prefixes with AiGP 68
Configure BGP Accept Own 70
BGP Link-State 73
Configure BGP Link-state 74
Configure Domain Distinguisher 75
BGP Permanent Network 75
Configure BGP Permanent Network 76
Advertise Permanent Network 78
Enable BGP Unequal Cost Recursive Load Balancing 80
DMZ Link Bandwidth for Unequal Cost Recursive Load Balancing 83
Enable BGP Unequal Cost Recursive Load Balancing 84
DMZ Link Bandwidth Over EBGP Peer 87
Sending and Receiving DMZ Link Bandwidth Extended Community over eBGP
Peer 88
BGP Prefix Origin Validation Based on RPKI 90
Configure RPKI Cache-server 90
Configure RPKI Prefix Validation 93
Configure RPKI Bestpath Computation 95
Resilient Per-CE Label Allocation Mode 96
Configure Resilient Per-CE Label Allocation Mode Under VRF Address Family 96
Configure Resilient Per-CE Label Allocation Mode Using Route-Policy 98
BGP VRF Dynamic Route Leaking 100
BGP Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.2.x
v
Contents

Cisco NCS 5500 Series Specifications

General

Series	NCS 5500
Category	Network Router
Operating System	Cisco IOS XR
Product Type	Modular Router
Form Factor	Rack-mountable
Purpose	High-performance routing for service providers and large enterprises
Interface Types	Ethernet
Redundancy	Redundant power supplies and fan trays
Port Density	Varies by model; high-density configurations available
Routing Protocols	BGP, OSPF, IS-IS, MPLS
Power Supply Options	AC and DC power supplies available
Management	CLI, SNMP, NETCONF