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Re: [lvs-users] How to make LVS Direct Route work for UDP programs?

To: wang yi <leonis.wang@xxxxxxxxx>
Subject: Re: [lvs-users] How to make LVS Direct Route work for UDP programs?
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Simon Horman <horms@xxxxxxxxxxxx>
Date: Wed, 23 Nov 2011 19:23:55 +0900
On Wed, Nov 23, 2011 at 05:06:34PM +0800, wang yi wrote:
> Hi, all
>     I've set up LVS with DR mode for Apache, it worked OK. Then I set
> up another Virtual Service for an UDP based program on the same boxes,
> but it won't work.
> 
>    Running Wireshark on the director showed that it got the UDP
> packets from client, but responsed these packets with an ICMP message,
> Destination unreachable (Port unreachable)
> 
>    I cannot find any information about this. Anything special about
> UDP based program?

Hi Wang,

there shouldn't be anything particularly special about UDP.
Do you have a UDP (-u) virtual service configured as well
as the original TCP (-t) virtual service?

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