On 2007/06/04 08:19, David Newman wrote:
> Stuart Henderson wrote:
> > On 2007/06/04 07:11, David Newman wrote:
> >> I could divide the /26 into smaller netblocks and configure pf to route
> >> between them but I'm reluctant to do that given that I'd burn a network
> >> and broadcast address for each netblock, and a /26 is small enough as it 
> >> is.
> >>
> >> Is there a better way? Thanks.
> > 
> > yes, bridging.
> 
> OK, but how then to get redundancy across the firewalls?

you found it already: pfsync+spanning-tree bridge
http://www.seattlecentral.edu/~dmartin/docs/bridge.html

4.1 has rapid spanning-tree, so it's acts more quickly than when
that article was written.

summary:

you don't want to route, so you need L2 failover

carp is used for L3 failover

spanning-tree is used for L2 failover, it lets you have a number
of redundant network paths and blocks all but one

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