[Users] How to configure a server to use multiple subnets/gateways

Rene C. openvz at dokbua.com
Sat Aug 17 09:44:22 EDT 2013


Kirill, do you know of a page where this procedure is documented?  Thanks!

On Sat, Aug 17, 2013 at 4:54 PM, Kirill Korotaev <dev at parallels.com> wrote:
> Rene, if I got your problem correct you need just create a routing rule in the host, so that it knew where to route your IPs.
>
> Or use bridged networking with veth interface instead.
>
> Sent from my iPhone
>
> On 17.08.2013, at 13:33, "Rene C." <openvz at dokbua.com> wrote:
>
>> I have this hardware node with IP xxx.22.181.158
>>
>> Node runs Centos 6, so does all containers.
>>
>> I already have 4 containers with IP addreses on the same submit
>> (xxx.22.181.*) running fine.
>>
>> Problem is, now my data center gave me 3 IP addresses in a new subnet
>> with a separate gateway:
>>
>> IP add  : xxx.13.31.130  -  132
>> subnet : 255.255.255.224
>> gateway : xxx.13.31.129
>>
>> The only way I can make this work is by taking one of these IP
>> addresses and bind to the hardware node, then I can use the remaining
>> IP addresses with containers - but this way I lose an IP address - the
>> one bound to the hardware node, which seems no longer usable for
>> containers.
>>
>> This is a problem both because there's a limit to how many IP's the DC
>> will allocate to a server, and because the IP addresses are quite
>> costly.
>>
>> Did I misunderstand something?
>>
>> - Rene
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>> Users at openvz.org
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>
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