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Setting a netmask [message #181]

Sun, 02 October 2005 16:33

frank
Messages: 1
Registered: October 2005

Junior Member

Hello all,

I have a 29er network and I have tried to set a netmask
with vzctrl but I have not found any options.
Can someone give me a hint to do this setting?

Greeting, Frank

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Re: Setting a netmask [message #184 is a reply to message #181]

Mon, 03 October 2005 07:45

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

Senior Member

You don't have to set netmask on VPS network interfaces (i.e. netmask is /32 and should not be changed), as VPS network interfaces (venet0) are not communicating over network directly; instead they are routed via 'real' network interface (e.g. eth0) and you should only care about this real network interface netmask.

Kir Kolyshkin

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

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Re: Setting a netmask [message #32993 is a reply to message #181]

Mon, 15 September 2008 23:50

luisdev
Messages: 11
Registered: July 2008

Junior Member

Sorry for bumping this old, old, thread, but I found it while troubleshooting a DNS inside a container and I think it is good context for a piece of advice.

If you install a DNS server in a container bear in mind that a 32 bit mask makes the built-in acl "localnets" apply only to the container itself (i.e., it is equivalent to "localhost"), so you will have to explicitly define your own acl.

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