1721 router+4esw WIC+IOS firewall

Answered Question
Feb 21st, 2008
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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

Correct Answer by didyap about 9 years 3 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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