1721 router+4esw WIC+IOS firewall

Answered Question
Feb 21st, 2008

Hi,

I've a 1721 cisco router(192.168.157.254) with a 4port10/100 wic installed.

Is possible to filter using IOS firewall if wic address and lan address are similar? I know that is they have diferent ip addresses is possible, but if they are in the same LAN?

For example:

A server(192.168.157.10) connected directly to the router's wic FILTER and out using LAN interface.

Is possible?

best regards

I have this problem too.
0 votes
Correct Answer by didyap about 8 years 9 months ago

Yes, the IOS firewall can filter out even if the LAN and wic addresses are similar. Following link may help you

http://www.cisco.com/en/US/docs/ios/12_4/secure/configuration/guide/schfirwl.html

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