DELL S50V User Manual

IP Access Control Lists (ACL), Prefix Lists, and Route-maps | 157

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 

 command in the ROUTER OSPF mode 

(Figure 241)

 or the 

command in the EXEC mode. 

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, 

 contains some rules that are numbered in increments of 1. No new rules can be 

. In the 

same example, apply resequencing if more than two rules must be placed between rules 7 and 10.

CONFIGURATION

Enter OSPF mode

 

 

 

[

]

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.

 

 

 

[

 | 

 | 

]

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.

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

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)#