Re: CentOS-6.7, kvm bridges, virtual interfaces, and routes

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On Sat, January 9, 2016 19:48, Gordon Messmer wrote:
> On 01/09/2016 03:30 PM, isdtor wrote:
>> Search for policy routing.
>
> Policy routing isn't relevant.
>
> In order to communicate across a LAN, two hosts must be in the same
> broadcast domain.  Hosts in 192.168.51.0/24 cannot communicate with
> hosts in 192.168.52.0/24.
>
>

If I have all of the kvm guests on both hosts, together with the br0
bridge on both hosts, configured with addresses on the same a.b.c.0/24
network then will all communication on a.b.c.0/24 pass over br0 if the
target address is on the other host?

kvmh1g1 eth0=192.168.51.100
kvmh1   br0=192.168.51.41

kvmh2   br0=192.168.51.42
kvmh2g1 eth0=192.168.51.200

In other words, with the address configuration given above, will
traffic from 192.168.51.200 reach 192.168.51.100 via the cross-over
cable between 192.168.51.42/192.168.51.41?


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