Dell S6100 Configuration Manual page 6

Configure a Route Map for Route Redistribution..................................................................................................116
Configure a Route Map for Route Tagging............................................................................................................ 117
Continue Clause.........................................................................................................................................................117
IP Fragment Handling..................................................................................................................................................... 117
IP Fragments ACL Examples................................................................................................................................... 118
Layer 4 ACL Rules Examples................................................................................................................................... 118
Configure a Standard IP ACL.........................................................................................................................................119
Configuring a Standard IP ACL Filter..................................................................................................................... 120
Configure an Extended IP ACL......................................................................................................................................121
Configuring Filters with a Sequence Number........................................................................................................121
Configuring Filters Without a Sequence Number.................................................................................................124
Configure Layer 2 and Layer 3 ACLs............................................................................................................................124
Assign an IP ACL to an Interface..................................................................................................................................125
Applying an IP ACL.........................................................................................................................................................125
Counting ACL Hits....................................................................................................................................................126
Configure Ingress ACLs................................................................................................................................................. 126
Configure Egress ACLs.................................................................................................................................................. 127
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 128
IP Prefix Lists.................................................................................................................................................................. 128
Implementation Information.................................................................................................................................... 129
Configuration Task List for Prefix Lists.................................................................................................................. 129
ACL Resequencing......................................................................................................................................................... 132
Resequencing an ACL or Prefix List.......................................................................................................................133
Route Maps..................................................................................................................................................................... 134
Implementation Information.................................................................................................................................... 134
Flow-Based Monitoring Support for ACLs.................................................................................................................. 134
Behavior of Flow-Based Monitoring.......................................................................................................................135
Enabling Flow-Based Monitoring............................................................................................................................136
Configuring IP Mirror Access Group............................................................................................................................ 136
Sample Configuration............................................................................................................................................... 137
Example of viewing IP mirror-access-group applied to an Interface................................................................138
7 Bidirectional Forwarding Detection (BFD).................................................................................................. 139
How BFD Works............................................................................................................................................................. 139
BFD Packet Format..................................................................................................................................................140
BFD Sessions............................................................................................................................................................. 141
BFD Three-Way Handshake.................................................................................................................................... 142
Session State Changes............................................................................................................................................ 144
Important Points to Remember.................................................................................................................................... 144
Configure BFD................................................................................................................................................................ 144
Configure BFD for Physical Ports...........................................................................................................................145
Configure BFD for Static Routes............................................................................................................................148
Configure BFD for OSPF..........................................................................................................................................151
Configure BFD for OSPFv3.....................................................................................................................................156
Configure BFD for IS-IS...........................................................................................................................................158
Configure BFD for BGP........................................................................................................................................... 160
6 Contents