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Re: [Xen-users] Multiple bridges in startup

To: andrew mathes <amathes@xxxxxxxxxxxx>
Subject: Re: [Xen-users] Multiple bridges in startup
From: Gil Freund <freund.gil@xxxxxxxxx>
Date: Fri, 29 Apr 2005 23:30:12 +0200
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Reply-to: Gil Freund <freund.gil@xxxxxxxxx>
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On 4/29/05, andrew mathes <amathes@xxxxxxxxxxxx> wrote:
> ok, things seem to be ok on my side now, i just put the manual start in my
> auto/ script directory, and seems to start the bridge correctly.  However,
> the secondary vif for every VM seems to be tied to the first bridge, no
> matter how i bring it up (manually:./vif-bridge up domain=VM1 vif=vif1.1
> bridge=xen-br1 mac=AA:00:00:00:00:12)

Questions:
1. Did you modify the distribution scripts or add a new one?
2. How did you configure the NIC's in the DomU config file?

> 
> the hwAddr of the resulting vif is ALWAYS the same as the first bridge
> (xen-br0) and i can't seem to get it to tie to the second bridge ...
> making networking fairly useless on that second nic
> 
> thanks for any help-
> 
> On Thu, 28 Apr 2005, Gil Freund wrote:
> 
> > On 4/28/05, andrew mathes <amathes@xxxxxxxxxxxx> wrote:
> >> wow, i was just going to post about this, i can't find it either ...
> >>
> >> i think it's in xend-config.sxp: under
> >> (network-script    network bridge=xen-br0 netdev=eth0)
> >> (network-script    network bridge=xen-br1 netdev=eth3)
> >>
> >> but this isn't actually setting up two bridges for me ...
> >
> > Nor here. I can set up other bridges manual (see below)
> >
> >>
> >> and i think you don't need to declare specific MAC's, as long as the
> >> bridge/vif is set up correctly.  ( I am specifying MAC's for DHCP
> >> reservation)
> >>
> >> any help for the both of us? maybe we'll figure it out together
> >
> > OK, I will start with manual settings:
> >
> > circus:/etc/xen/scripts# ./network start bridge=xen-br1 netdev=eth1
> > antispoof=yes
> > network start bridge=xen-br1 netdev=eth1 antispoof=yes
> > iptables: No chain/target/match by that name
> >
> > in the domU I can see two NIC, but DHCP does not work. DomU domains
> > with static IPs work.
> >
> > Now I have a bridge (xen-br1) using the mac address of eth1, however, when 
> > I do
> > ./network stop bridge=xen-br1 netdev=eth1 antispoof=yes
> > xen-br1 us still up. Is this normal?
> >
> >
> >> andrew
> >>
> >> On Thu, 28 Apr 2005, Gil Freund wrote:
> >>
> >>> Hi,
> >>>
> >>> Apologies: I recall this being asked (and answered) before, but I
> >>> cannot find the thread.
> >>>
> >>> I have two NICs. I would like to setup three bridges:
> >>>
> >>> xen-br0 - eth0
> >>> xen-br1 - eth1
> >>> xen-br2 - virtual only for domU interconnect
> >>>
> >>> Where would be a suitable location to implement this so the startup
> >>> scripts pick this configuration?
> >>>
> >>> Furthermore, do MAC addresses need to be explicitly declared in the
> >>> domU configuration files? The example files state that random MAC
> >>> addresses will be used, but simply stating nics=2 does not seem to
> >>> work.
> >>>
> >>> Thanks
> >>>
> >>>
> >>> Gil
> >>>
> >>> _______________________________________________
> >>> Xen-users mailing list
> >>> Xen-users@xxxxxxxxxxxxxxxxxxx
> >>> http://lists.xensource.com/xen-users
> >>>
> >>
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >
>

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