OpenVZ Forum


Home » General » Support » Specyfiing a mac address for vz interface
Specyfiing a mac address for vz interface [message #326] Fri, 11 November 2005 22:01 Go to next message
galik79 is currently offline  galik79
Messages: 2
Registered: November 2005
Junior Member
is tehre any way I can specify a MAC address for virtual interace ?
My network administrator needs a valid MAC address, to allow traffic on firewall

Report message to a moderator

Re: Specyfiing a mac address for vz interface [message #331 is a reply to message #326] Sun, 13 November 2005 21:38 Go to previous messageGo to next message
dev is currently offline  dev
Messages: 1693
Registered: September 2005
Location: Moscow
Senior Member
galik, VPS virtual interface doesn't have MAC, since it doesn't send packets to the network directly. Instead all it's packets are routed to the real eth device, so packets are send to network with a MAC of your host node eth device.

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

Report message to a moderator

Re: Specyfiing a mac address for vz interface [message #334 is a reply to message #331] Mon, 14 November 2005 09:26 Go to previous messageGo to next message
galik79 is currently offline  galik79
Messages: 2
Registered: November 2005
Junior Member
yeah, i bumped into that topic when creating ipip tunnel on another box, but had hope, i missed something.

So if i want 2 external ip`s - 1 for underlying fedora, and 1 for openVZ, i should use 2 NIC`s with 2 different IP`s configured on them ? And use for connection with fedora, and second with VZ ?

Report message to a moderator

Re: Specyfiing a mac address for vz interface [message #336 is a reply to message #334] Mon, 14 November 2005 09:49 Go to previous message
kir is currently offline  kir
Messages: 1645
Registered: August 2005
Location: Moscow, Russia
Senior Member
No, you don't need another NIC. Think of your OpenVZ host system as a router with a network segment of VPSs behind it. While each VPS have a distinct IP address, they all are routed via host system, thus the only MAC address visible from the outside is the on of the host system.

Still, with OpenVZ you can add another NIC and dedicate it for a VPS if you do really need it (but in most of the cases you don't).

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

Report message to a moderator

Previous Topic: debian+networking
Next Topic: Network Performance
Goto Forum:
  

[ Syndicate this forum (XML) ] [ RSS ] [ PDF ]

Current Time: Sun Jul 14 01:47:10 GMT 2024

Total time taken to generate the page: 0.02180 seconds
Powered by FUDforum Powered by Virtuozzo Containers