bridge0 settings for VMs

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bridge0 settings for VMs

Stefan Parvu
Hi,

Under the documentation [1] there are pointers about how one would define an interface for all domUs.
Now the documentation says:

# sysrc cloned_interfaces="bridge0"
# sysrc ifconfig_bridge0="addm em0 SYNCDHCP"
# sysrc ifconfig_em0=“up”

where em0 is the main interface.

Now I have  server which has a functional em1 interface running and configured. I want to define a bridge0 interface for all domains, but not to use DHCP, because I dont have a DHCP server on that network.

Any ideas how shall I configure the bridge0 interface using ifconfig_bridge0=“..."

Thanks,

Stefan Parvu
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Re: bridge0 settings for VMs

Miroslav Lachman
Stefan Parvu wrote on 2020/01/10 10:31:

> Hi,
>
> Under the documentation [1] there are pointers about how one would define an interface for all domUs.
> Now the documentation says:
>
> # sysrc cloned_interfaces="bridge0"
> # sysrc ifconfig_bridge0="addm em0 SYNCDHCP"
> # sysrc ifconfig_em0=“up”
>
> where em0 is the main interface.
>
> Now I have  server which has a functional em1 interface running and configured. I want to define a bridge0 interface for all domains, but not to use DHCP, because I dont have a DHCP server on that network.
>
> Any ideas how shall I configure the bridge0 interface using ifconfig_bridge0=“..."

Just remove SYNCDHCP

For example:

cloned_interfaces="bridge0 tap0"
ifconfig_bridge0="addm bge0 up addm tap0 up"

It will create bridge0 with bge0 and tap0 as a members.

bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
1500
         ether 02:71:2c:00:ca:00
         nd6 options=9<PERFORMNUD,IFDISABLED>
         groups: bridge
         id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
         maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200
         root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
         member: tap0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                 ifmaxaddr 0 port 5 priority 128 path cost 2000000
         member: bge0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                 ifmaxaddr 0 port 1 priority 128 path cost 55

Kind regards
Miroslav Lachman
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Re: bridge0 settings for VMs

Stefan Parvu

> Just remove SYNCDHCP


Cheers. That was working fine.

Stefan
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