Reference Guide

154 | IP Access Control Lists (ACL), Prefix Lists, and Route-maps
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To view the configuration, use the show config command in the ROUTER RIP mode or the show
running-config rip
command in the EXEC mode.
FTOS(conf-router_rip)#show config
!
router rip
distribute-list prefix juba out
network 10.0.0.0
FTOS(conf-router_rip)#router ospf 34
To apply a filter to routes in OSPF, use either of the following commands in the ROUTER OSPF mode:
To view the configuration, use the
show config command in the ROUTER OSPF mode or the show
running-config ospf
command in the EXEC mode.
FTOS(conf-router_ospf)#show config
!
router ospf 34
network 10.2.1.1 255.255.255.255 area 0.0.0.1
distribute-list prefix awe in
FTOS(conf-router_ospf)#
ACL Resequencing
Resequencing an ACL or Prefix List is supported on platform e
ACL Resequencing allows you to re-number the rules and remarks in an access or prefix list. The
placement of rules within the list is critical because packets are matched against rules in sequential order.
Use Resequencing whenever there is no longer an opportunity to order new rules as desired using current
numbering scheme.
For example, Table 10-3, "ACL Resequencing Example (Insert New Rules)," in IP Access Control Lists
(ACL), Prefix Lists, and Route-maps contains some rules that are numbered in increments of 1. No new
rules can be placed between these, so apply resequencing to create numbering space, as shown in
Table 10-4, "ACL Resequencing Example (Resequenced)," in IP Access Control Lists (ACL), Prefix Lists,
and Route-maps. In the same example, apply resequencing if more than two rules must be placed between
rules 7 and 10.
Command Syntax Command Mode Purpose
router ospf
CONFIGURATION Enter OSPF mode
distribute-list
prefix-list-name in [interface]
CONFIG-ROUTER-OSPF Apply a configured prefix list to incoming routes. You
can specify an interface.
If you enter the name of a non-existent prefix list, all
routes are forwarded.
distribute-list
prefix-list-name out
[connected | rip | static]
CONFIG-ROUTER-OSPF Apply a configured prefix list to incoming routes. You
can specify which type of routes are affected.
If you enter the name of a non-existent prefix list, all
routes are forwarded.