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Dual NICs on OpenVZ [message #39738]

Wed, 26 May 2010 17:09

aab49
Messages: 10
Registered: November 2007
Location: USA

Junior Member

We recently added another NIC to our HN and would like to find some ways to take advantage of the additional bandwidth.

Is it possible to tell the vz service to use both eth0 and eth1 and have half our containers use eth0 and the other half use eth1?

If not, we can probably go with bonding the interfaces together.

- Amir

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Re: Dual NICs on OpenVZ [message #39739 is a reply to message #39738]

Wed, 26 May 2010 17:16

kir
Messages: 1645
Registered: August 2005
Location: Moscow, Russia

Senior Member

It is possible if they are in different network segments.

Say you have
eth0 with 10.2.3.1/24 address
and
eth1 with 10.2.5.1/24 address

Now, containers with addresses like 10.2.3.xxx will use eth0 and containers with addresses like 10.2.5.xxx will use eth1.

Kir Kolyshkin

http://static.openvz.org/userbars/openvz-developer.png

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Re: Dual NICs on OpenVZ [message #39740 is a reply to message #39738]

Wed, 26 May 2010 17:17

kir
Messages: 1645
Registered: August 2005
Location: Moscow, Russia

Senior Member

I was talking about using default (venet) networking.

Kir Kolyshkin

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Re: Dual NICs on OpenVZ [message #39741 is a reply to message #39738]

Wed, 26 May 2010 17:19

aab49
Messages: 10
Registered: November 2007
Location: USA

Junior Member

Thanks for the input Kir. They would actually be on the same network segment so I guess it wouldn't work.

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Re: Dual NICs on OpenVZ [message #39849 is a reply to message #39738]

Thu, 10 June 2010 07:44

tibby
Messages: 3
Registered: June 2010

Junior Member

I have a weird problem.

I have one machine, with two network interfaces.
Eth0: 10.10.10.0/24
Eth1: 192.168.0.0/24

I have four containers on the machine:
10: IP:10.10.10.10 GW:10.10.10.254
11: IP:10.10.10.11 GW:10.10.10.254
12: IP:10.10.10.10 GW:10.10.10.254
50: IP:192.168.0.50 GW:192.168.0.1

Sometimes all the containers wanting to access on Eth1 instead of Eth0.

Why?

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