John Doe wrote: > From: hadi motamedi <motamedi24 at gmail.com> >> Please be informed that I have set an secondary IP address on my CentOS >> server to be able to reach to another Intranet , as the followings: >> #ifconfig eth0:1 172.18.209.1 netmask 255.255.0.0 up >> But I am not aware if >> any other node on the new Intranet is making use of this IP address . Can >> you please do me favor and let me know how can I check if any IP conflict >> occured ? > > Why not ask the System Administrator if this IP is available? Alternatively, ping 172.18.209.1 mark -- "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -- Benjamin Franklin