Access-list

From: Matt Clark (mattclark@hispeed.ch)
Date: Mon Jun 05 2006 - 05:47:55 ART


Hi Group

 

I have been playing with ACLs and bit boundaries during the course of my
studies and was wondering if anyone had seen this "quirk"

So we have 4 networks and have to use only one filtering statement.

 

The networks advertised are as follows:

192.168.105.0/24

192.168.106.0/24

192.168.107.0/24

192.168.108.0/24

 

Allow only the first three 105,106,107 to be advertised. Now I used
192.168.105.0 0.0.3.255 which I know is not on a bit number but the IOS
allowed it but at the same time changed it 192.168.104.0 0.0.3.255 in the
running-config.

 

Is this normal? Does the IOS correct anything else?

 

Matt



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