Dear Mr. John Haxby Thank a lot by heart. I solved problem now.Beacouse your *"arping" *command. Solved Procedure---> *I ran arping 10.10.1.10 command *After that arping reported me two MAC *One MAC display only one and other one ping continuously. *I talk with our network department and find both MAC *Happen marvelous case . *Find a Network switch with same IP (DHCP). *I configured static IP for switch it was solved now
May the triple jem bless you. බුසු සරණයි On Thu, Dec 10, 2009 at 3:01 PM, John Haxby <[email protected]> wrote: > > > 2009/12/10 Buddhika Karunanayaka <[email protected]> > > >> I faced a big problem on my RHEL5 server. >> It IP 10.10.1.10 previously. There was a issue after that I configured >> 10.10.1.11 >> but still both are properly pinging Why?? >> I can ssh to 10.10.1.11 and I cant to previous one ( 10.10.1.10) >> But still previous one pinging Why?? >> >> I restarted system/services also >> >> > Was the issue that you had intermittent connectivity? > > It sounds as though you've got a different machine on the network with IP > address 10.10.1.10. You can check that with > > arping 10.10.1.10 > > If I'm right, it will come back with a different MAC address to the one > your machine has (which you can also get with arping or just "ifconfig > eth0"). > > Finding the guilty party depends on how your network is set up. If it's > just a few machines then going round and looking at all of them might be the > easiest way (and this is probably, but not certainly, a Windows machine). > If you have a managed switch then your network admin can find out which port > that MAC address is connected to and from that you'll be able to find the > machine in question. > > Under some circumstances "nmlookup -A 10.10.1.10" or "host 10.10.1.10" > might give you a clue to the ownership of the IP address. > > Finally, if all else fails, then wireshark and looking for traffic to and > from that machine may well give you information that leads to an owner. > > jch > > _______________________________________________ > rhelv5-list mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/rhelv5-list > > -- ආයුබෝවන්! බුද්ධික කරුණානායක Best Regards, Truthfully,Buddhika Karunanayaka ( m...@http://itbuddhika.blogspot.com
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