I forgot to mention that these are ADSL connections. The two modems are physically attached to the firewall, on two separate NICs.
> Why do not use 1 interface with 2 IP's and 1 nat rule with address > pool for balancing? > > somthing like this: > nat on $ext_if inet from any to any -> {$ext_ip_1 $ext_ip_2} > round-robin > > > > Hi, > > > > I have two internet connections and would like to load balance > > outgoing trafic between the two interfaces. > > > > Using rules from the PF FAQ does not work for me (trafic is always > > routed to the first interface). > > > > The connections are both from the same provider, have a different > > public IP address, but an identical gateway... Can this be the > > problem ?