Reference Guide
Route Maps........................................................................................................................................ 113
Implementation Information.......................................................................................................113
Important Points to Remember........................................................................................................ 113
Configuration Task List for Route Maps......................................................................................113
Configuring Match Routes.......................................................................................................... 116
Configuring Set Conditions......................................................................................................... 117
Configure a Route Map for Route Redistribution.......................................................................119
Configure a Route Map for Route Tagging................................................................................ 119
Continue Clause..........................................................................................................................120
Logging of ACL Processes................................................................................................................120
Guidelines for Configuring ACL Logging..........................................................................................121
Configuring ACL Logging................................................................................................................. 122
Flow-Based Monitoring Support for ACLs....................................................................................... 122
Behavior of Flow-Based Monitoring...........................................................................................123
Enabling Flow-Based Monitoring..................................................................................................... 125
7 Access Control List (ACL) VLAN Groups and Content Addressable
Memory (CAM).......................................................................................................... 127
Optimizing CAM Utilization During the Attachment of ACLs to VLANs..........................................127
Guidelines for Configuring ACL VLAN groups.................................................................................128
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters........................ 129
Configuring ACL VLAN Groups...................................................................................................129
Configuring FP Blocks for VLAN Parameters............................................................................. 130
Viewing CAM Usage...........................................................................................................................131
Allocating FP Blocks for VLAN Processes.........................................................................................132
8 Bidirectional Forwarding Detection (BFD).....................................................135
How BFD Works................................................................................................................................ 135
BFD Packet Format......................................................................................................................136
BFD Sessions................................................................................................................................138
BFD Three-Way Handshake........................................................................................................138
Session State Changes................................................................................................................ 139
Important Points to Remember....................................................................................................... 140
Configure BFD...................................................................................................................................140
Configure BFD for Physical Ports................................................................................................141
Configure BFD for Static Routes.................................................................................................144
Configure BFD for OSPF............................................................................................................. 146
Configure BFD for OSPFv3......................................................................................................... 149
Configure BFD for IS-IS...............................................................................................................150
Configure BFD for BGP............................................................................................................... 153
Configure BFD for VRRP............................................................................................................. 160
Configuring Protocol Liveness....................................................................................................163