Questions about setting bridge

Adam Vande More amvandemore at
Fri Sep 10 06:51:41 UTC 2010

> I want to setup a bridge in a ring topology since a break at any point
> along the ring would
> still leave all stations connected. My machine has two nics. In
> /etc/rc.conf, I have:
> ifconfig_em0="inet  netmask"
> cloned_interfaces="bridge0"
> ifconfig_em0="up"
> ifconfig_em1="up"
> ifconfig_bridge0="addm em0 addm em1 up"
> ifconfig_bridge0_alias0=" netmask up"
> I tried to boot my clients using tftpd, but it seems doesn't work if I
> unpluged
> em0. If I run "ifconfig em1 inet netmask" then
> my clients can boot via tftpd. But it's not a bridge, right?
> I mean should I configure the same ip for em0, em1, and bridge0?
> is not a valid address.  Your addressable hosts are -

I think you want to lagg:

Adam Vande More

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