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тАО12-15-2010 07:48 AM
тАО12-15-2010 07:48 AM
lan card used by ping
I have an host (host1) with two lan cards (lan0 and lan1).
From host1 I launch a ping towards a second host (host2) that works fine.
I see on host1 that ping uses lan0 to talk with host2.
If I cut lan0, I see that ping switches to lan1 (from which it is not possible to reach haost2).
If I recover lan0 connection, I see that ping remains on lan1 and host2 still appears as unreachable.
Could you help me in understanding such a behaviour?
Is it possible to force ping to use a given lan only?
Thanks in advance
Giuseppe
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тАО12-15-2010 08:30 AM
тАО12-15-2010 08:30 AM
Re: lan card used by ping
Por favori. please send us "netstat -ian" and "netstat -rn" from host1 and host2.
Graci.
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тАО12-15-2010 12:37 PM
тАО12-15-2010 12:37 PM
Re: lan card used by ping
The ip address of host2
netstat -rn from host1 and host2.
What what do you mean by "cut lan0" and how do you "uncut" it ?
Regards,
Kaps
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тАО12-15-2010 03:35 PM
тАО12-15-2010 03:35 PM
Re: lan card used by ping
You have two machine and each machine has two lan cards 0 and 1.
Nodes communicate with each other over lan0, standard config. 'inter-communication', it is therefore recommended to restrict general network traffic over lan0.
In the event of a failure, of lan0, your network configuration should be configured to automatically failover on to lan1.
Both nodes should be configured for this eventuality.
Check namesvrs and netconf.
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тАО12-16-2010 09:02 AM
тАО12-16-2010 09:02 AM
Re: lan card used by ping
sorry but I cannot access the bench in this moment.
Do you know if there is a way to force ping to use a given lan card?
Regards
Giuseppe
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тАО12-16-2010 09:46 AM
тАО12-16-2010 09:46 AM
Re: lan card used by ping
should work.
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тАО12-16-2010 09:47 AM
тАО12-16-2010 09:47 AM
Re: lan card used by ping
should work. -except if lan0 and lan1 are on the same subnet.-