Extended ACL with EIGRP

From: gladston@br.ibm.com
Date: Wed Aug 03 2005 - 10:34:07 GMT-3


Have you seem this behavior?
Distribute-list with an extended acl works, but only if the network is specified on the destination of the acl.

Rack2CAT1#b router ei
router eigrp 147
 network 148.5.147.0 0.0.0.255
 distribute-list 141 in

Rack2CAT1#sir ei
     148.5.0.0/16 is variably subnetted, 34 subnets, 4 masks
D 148.5.214.8/29
           [90/409600] via 148.5.147.14, 00:00:33, FastEthernet0/24

Rack2CAT1#i access-list 141
access-list 141 permit ip any host 148.5.214.8

Specifying it on the source does not work:

Rack2CAT1(config-router)#access-list 139 per ip h 148.5.214.8 a
Rack2CAT1(config)#router eigrp 147
Rack2CAT1(config-router)#distribute-list 139

Rack2CAT1(config-router)#do sir ei

Rack2CAT1(config-router)#do sir ei

Rack2CAT1(config-router)#do sir ei

Just as a test, using the BGP style also does not work;

Rack2CAT1(config-router)#access-list 140 per ip h 148.5.214.8 h 255.255.255.248
Rack2CAT1(config)#router eigrp 147
Rack2CAT1(config-router)#distribute-list 139

Rack2CAT1(config-router)#do sir ei

Rack2CAT1(config-router)#do sir ei

Rack2CAT1(config-router)#do sir ei

What do you think?
I am wondering if it is better to forget about it (no useful) and just use standard ACL with EIGRP/RIP/OSPF)



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