Cisco Catalyst 9500 Series

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Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)

204

Configuring IP Unicast Routing

Feature Information for IP Unicast Routing

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Bidirectional Forwarding Detection11
Restrictions for Bidirectional Forwarding Detection12
BFD Detection of Failures13
BFD Session Limits14
Benefits of Using BFD for Failure Detection15
How to Configure Bidirectional Forwarding Detection16
Configuring BFD Support for Dynamic Routing Protocols17
Configuring BFD Support for EIGRP18
Configuring BFD Support for IS-IS20
Configuring BFD Support for IS-IS for All Interfaces21
Configuring BFD Support for IS-IS for One or more Interfaces22
Configuring BFD Support for OSPF23
Configuring BFD Support for OSPF for All Interfaces24
Configuring BFD Support for OSPF for One or more Interfaces25
Configuring BFD Support for HSRP27
Configuring BFD Support for Static Routing28
Configuring BFD Echo Mode31
Creating and Configuring BFD Templates32
Monitoring and Troubleshooting BFD33
Feature Information for Bidirectional Forwarding Detection34
Information about Configuring MSDP35
MSDP Operation36
MSDP Benefits37
How to Configure MSDP38
Caching Source-Active State40
Requesting Source Information from an MSDP Peer41
Controlling Source Information that Your Switch Originates42
Redistributing Sources43
Filtering Source-Active Request Messages45
Controlling Source Information that Your Switch Forwards46
Using TTL to Limit the Multicast Data Sent in SA Messages49
Controlling Source Information that Your Switch Receives50
Configuring an MSDP Mesh Group52
Shutting down an MSDP Peer53
Including a Bordering PIM Dense-Mode Region in MSDP54
Configuring an Originating Address Other than the RP Address56
Monitoring and Maintaining MSDP57
Configuration Examples for Configuring MSDP58
Caching Source-Active State: Example59
Controlling Source Information that Your Switch Receives: Example60
Configuring Ip Unicast Routing61
Information about Configuring IP Unicast Routing62
Types of Routing63
Address Resolution65
UDP Broadcast Packets and Protocols66
IP Broadcast Flooding67
How to Configure IP Addressing68
Default IP Addressing Configuration69
Assigning IP Addresses to Network Interfaces70
Using Subnet Zero71
Disabling Classless Routing72
Configuring Address Resolution Methods73
Setting ARP Encapsulation75
Enabling Proxy ARP76
Routing Assistance When IP Routing Is Disabled78
ICMP Router Discovery Protocol (IRDP)79
Configuring Broadcast Packet Handling81
Forwarding UDP Broadcast Packets and Protocols83
Establishing an IP Broadcast Address85
Flooding IP Broadcasts86
Monitoring and Maintaining IP Addressing87
How to Configure IP Unicast Routing88
Example of Enabling IP Routing89
Information about RIP90
How to Configure RIP91
Configuring Basic RIP Parameters92
Configuring RIP Authentication94
Configuring Summary Addresses and Split Horizon95
Configuring Split Horizon97
Configuration Example for Summary Addresses and Split Horizon98
Information about OSPF99
OSPF NSF Awareness100
LSA Group Pacing101
How to Configure OSPF102
Configuring Basic OSPF Parameters103
Configuring OSPF Interfaces105
Configuring OSPF Area Parameters107
Configuring Other OSPF Parameters109
Changing LSA Group Pacing111
Configuring a Loopback Interface112
Monitoring OSPF113
Configuration Examples for OSPF114
EIGRP Components115
EIGRP Nonstop Forwarding116
How to Configure EIGRP117
Default EIGRP Configuration118
Configuring Basic EIGRP Parameters119
Configuring EIGRP Interfaces121
Configuring EIGRP Route Authentication123
Monitoring and Maintaining EIGRP125
Nonstop Forwarding Awareness127
BGP Decision Attributes128
Route Maps129
Prefix List for BGP Filtering130
BGP Neighbors and Peer Groups131
Route Dampening132
Enabling BGP Routing136
Managing Routing Policy Changes138
Configuring BGP Decision Attributes139
Configuring BGP Filtering with Route Maps141
Configuring BGP Filtering by Neighbor142
Configuring BGP Filtering by Access Lists and Neighbors143
Configuring Prefix Lists for BGP Filtering145
Configuring BGP Community Filtering146
Configuring BGP Neighbors and Peer Groups147
Configuring Aggregate Addresses in a Routing Table150
Configuring Routing Domain Confederations151
Configuring BGP Route Reflectors153
Configuring Route Dampening154
Monitoring and Maintaining BGP155
IS-IS Routing157
IS-IS Global Parameters158
How to Configure IS-IS Routing159
Enabling IS-IS Routing160
Configuring IS-IS Global Parameters162
Configuring IS-IS Interface Parameters165
Monitoring and Maintaining IS-IS168
Understanding Multi-VRF CE169
Packet-Forwarding Process170
Network Components171
Multi-VRF CE Configuration Guidelines172
Configuring Vrfs173
Configuring VRF-Aware Services174
Configuring VRF-Aware Services for ARP175
Configuring VRF-Aware Servcies for Urpf176
Configuring VRF-Aware RADIUS178
Configuring VRF-Aware Services for Traceroute179
Configuring Multicast Vrfs180
Configuring a VPN Routing Session183
Configuring BGP PE to CE Routing Sessions184
Monitoring Multi-VRF CE185
Configuration Examples for Multi-VRF CE186
Configuring Unicast Reverse Path Forwarding189
Distributed Cisco Express Forwarding190
Number of Equal-Cost Routing Paths192
How to Configure Equal-Cost Routing Paths193
Configuring Static Unicast Routes194
Default Routes and Networks196
Route Maps to Redistribute Routing Information197
How to Control Route Distribution201
Policy-Based Routing203
How to Configure PBR204
Filtering Routing Information207
Controlling Advertising and Processing in Routing Updates209
Filtering Sources of Routing Information210
Managing Authentication Keys211
Monitoring and Maintaining the IP Network213
Membership215
Information about GRE Tunnel IP Source and Destination VRF Membership216
Configuration Example for GRE Tunnel IP Source and Destination VRF Membership217
Additional References218
Feature History for Generic Routing Encapsulation Tunnel IP Source and Destination VRF Membership219
Notices221

Cisco Catalyst 9500 Series

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