Re: more than one bridge

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On 28 December 2011 07:21, Rick Sewill <rsewill@xxxxxxxxx> wrote:
> On Tuesday, December 27, 2011 06:59:53 AM Hiisi wrote:
>
>> On 27 December 2011 15:49, Sam Varshavchik <mrsam@xxxxxxxxxxxxxxx> wrote:
>
>> > Hiisi writes:
>
>> >> Hi, list!
>
>> >> Is there a way to set up more than one bridged interface having one
>
>> >> physical device? I'm setting up virtual machines and want them to
>
>> >> share the same network with host computer. For one guest machine I
>
>> >> simply created a bridged interface adding line 'BRIDGE=br0' to
>
>> >> /etc/sysconfig/network-scripts/ifcfg-p21p1 (host computer network
>
>> >> interface), then created /etc/sysconfig/network-scripts/ifcfg-br0 with
>
>> >> nececarry configuration. How to create second interface for second
>
>> >> guest machine and so on?
>
>> >
>
>> > Add the second machine to the same bridge.
>
>>
>
>> Hi, Sam!
>
>> Thanks, I've already did it. But theoretically, is it possible to
>
>> create more than one bridge on one interface?
>
>
> Have you looked into using VLANs?
>
>
> From http://en.wikipedia.org/wiki/Virtual_network, a few paragraphs down,
>
> "VLANs (Virtual LANs) are logical LAN's (Local Area Networks), based on
> physical LAN's. A VLAN can be created by partitioning a physical LAN into
> multiple logical LAN's (subnets) using a VLAN ID. Alternatively, several
> physical LAN's can function as a single logical LAN. The partitioned network
> can be on a single router, or multiple VLAN's can be on multiple routers
> just as multiple physical LAN's would be. A VLAN can be on a VPN."
>
>
> Your question sounds similar to "partitioning a physical LAN into multiple
>
> logical LAN's (subnets) using a VLAN ID."
>
>
> Can someone, who has used VLANs recently,
>
> comment if this approach will do what the OP wants,
>
> and help with the configuration on Linux if the OP wants to try it?
>
>
> Last time I used VLANs was the late 1990's...on a SOHO (FlowPoint) router.
>
> I'm afraid I'm a bit rusty and would have to test any "help" I might offer.
>
>
>
>
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>

Hi, Rick.
Although I've already configured network access for virtual machines
using VirtualBox capabilities to brige host network interface, it
seems than VLAN-approach is also possible. A fast google reveals many
results on VLAN configuration (for example, I've found this link:
http://www.stg.net/vlanbridge ).
-- 
Hiisi.
Registered Linux User #487982. Be counted at: http://counter.li.org/
--
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