[lvs-users] could virtual ip one arbitrary ip address ?

Hatt Tom net.study.sea at gmail.com
Sat Apr 12 06:06:51 BST 2014


If I configure my vip to be local private ip ,then should I do a DNAT
on gateway to forward packet to the vip ?



2014-04-09 22:20 GMT+08:00 Ferenc Wagner <wferi at niif.hu>:
> Hatt Tom <net.study.sea at gmail.com> writes:
>
>> 2014-04-09 15:38 GMT+08:00 Ferenc Wagner <wferi at niif.hu>:
>>
>>> Hatt Tom <net.study.sea at gmail.com> writes:
>>>
>>>> could virtual ip one arbitrary ip address? no matter what network
>>>> segment it is .
>>>
>>> Yes, the VIP can be any address, as long as traffic sent to it reaches
>>> the director by some means.  If it's not in the local network of your
>>> director, you will probably need explicit routing rules to achieve this.
>>
>> I want to know why I need explicit routing rules to send packet to
>> realserver?
>
> I was talking about the director, not the real servers.  You MAY need
> explicit routing rules to send packets addressed to the VIP towards the
> director, depending on your network setup.
>
>> The director knows the ip of the selected real server, then just
>> forwarding it, not need a router.
>
> If you are doing direct routing, then right, the director is the router
> towards the real servers.
> --
> Regards,
> Feri.
>
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-- 
Best Regards!



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