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тАО10-04-2011 07:10 PM
тАО10-04-2011 07:10 PM
Cannot ping Server - Please help
Hi There
I have a rp4410 server which was rebooted after a scheduled computer room powerdown. However when power came back and we rebooted , everything comes back up , and I can connect into the MP port and login as console and see all my mounts / Oracle Databases etc etc , however the servers ip address itself will not ping .
I wouldnt be surprised if it is something to do with ip address or a switch after the powerdown , but how do I check if all network services came up ok ?
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тАО10-04-2011 08:04 PM
тАО10-04-2011 08:04 PM
Re: Cannot ping Server - Please help
If everything is configured well, netstat -in should show your an expected IP address.
If you see that expected IP address in the output and your ping was executed with
the hostname of this server, then, try ping with the IP address. If it works, then, there
can be something wrong with the name server (like the name server keeps different
IP address than the system currently has).
There can be something more to check. But the first thing to check is to see if you
see an expected IP address in "netstat -in". If not, /etc/rc.config.d/netconf file got
modified sometime before the system reboot.
Hope this helps.
I work for HPE
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тАО10-04-2011 11:39 PM
тАО10-04-2011 11:39 PM
Re: Cannot ping Server - Please help
Hi Akio ,
Thanks for your reply . Ok did a netstat -in , and it does indeed pick up the ip address as pointing to lan0 , which is what Id expect. Are there any other logs or services I can check to see if they are spouting errors. Im waiting on the local support on site to check the physical network card for lights etc when they get there , and also checkout the ip address as well to see if it is still live (or would netstat not even pick it up if it wasnt stll live?)
Thanks
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тАО10-05-2011 12:07 AM
тАО10-05-2011 12:07 AM
Re: Cannot ping Server - Please help
I am assuming
= you're trying to run ping on the other host on the same subnet
and
= the system has only one network interface card being used.
If so, you don't need to worry about routing information.
Then, what I would suggest you to do more are:
1) Ensure UP flag is seen in the output from "ifconfig lan0".
2) Ensure "lanadmin -g 0" shows 'up' for both of the following lines:
Administration Status (value) = up(1)
Operation Status (value) = up(1)
3) Check "lanadmin -x 0" output. If Autonegotiation is not "On", then, there can be some configuration mismatch between
the card and the switch port. The safest way is to set both ends to Auto.
I work for HPE