Add a server between router and switch (production)

Posted by Kossel on Server Fault See other posts from Server Fault or by Kossel
Published on 2012-04-04T20:43:50Z Indexed on 2012/04/04 23:31 UTC
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routing

I have a small office network basically like below, there are more router/pc connected in S1. As you can see, the router is doing job of DHCP, DNS. but now I wish to add a Linux server between R1 and S1, So I can monitor the network traffic and do other more advance server admin stuff.

the whole office network is 192.168.1.x and people are using their computer everyday. What network configuration should the new Linux server have (both interfaces) in order to minimize the changes need in the network?

tried to change R1 ip to 192.168.100.1 them add the server with FE0/0 192.168.100.1 and FE0/1 192.168.1.1 but looks cannot ping the original Router..

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