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Re: [lvs-users] Another newbie question

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Another newbie question
Cc: Romain Meillon <r.meillon@xxxxxxxxxxxx>
From: David Coulson <david@xxxxxxxxxxxxxxxx>
Date: Wed, 13 Apr 2011 10:51:27 -0400
On 4/13/11 10:45 AM, Romain Meillon wrote:
> 16:31:55.428339 IP<CLIENT_IP>.59856>  10.254.0.100.25: S
> 4217040225:4217040225(0) win 8192<mss 1460,nop,nop,sackOK>
> 16:31:55.428402 IP 10.254.0.100.25>  <CLIENT_IP>.59856: S
> 2200826876:2200826876(0) ack 4217040226 win 5840<mss
> 1460,nop,nop,sackOK>
> 16:31:55.474609 IP<CLIENT_IP>.59856>  10.254.0.100.25: . ack 1 win 64240
> 16:31:55.505497 IP 10.254.0.100.25>  <CLIENT_IP>.59856: P 1:49(48) ack
> 1 win 5840
> 16:31:58.505138 IP 10.254.0.100.25>  <CLIENT_IP>.59856: P 1:49(48) ack
> 1 win 5840
>
> if someone can enlighten me i would be enjoyed :)
When you use Masq the response has to route back through the IPVS server 
to 'un-NAT' the packet. You may be better off using direct/gateway 
routing, which handles this type of asymmetric routing.

David

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