[lvs-users] about NAT return path

Yonghua Peng yhpeng at orange.fr
Mon Feb 2 09:59:51 GMT 2015


If it's just a DNAT forwarding for the incoming packet, I don't think 
LVS host has to keep the status of the connection.
I am probably wrong, just by curious. And I will test for it.

Thanks.

Martin Wheldon wrote:
> Hi,
>
> Because there will be no entry in the NAT table on the second host so
> it won't know how to deal with the return packet.
>
> Best Regards
>
> Martin
>
> On 2015-02-02 09:06, Yonghua Peng wrote:
>> Can you tell me why the realserver should use host A as the gateway?
>> since host A and B have the same configure, and share the same VIP, I
>> was thinking both A and B can be setup as the gateway.
>>
>> Thanks.
>>
>>    Ivan Havlicek wrote:
>>> No, if a transaction start via LVS host A, the realserver need to
>>> use
>>> this host as gateway to respond.
>>> This is the normal for a NAT.
>>
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>
>
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>
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