Patrick wrote: >Hi all, > >I am trying to come up with an architecture that has some redundancy. >The idea is to hook up the two GbE LAN interfaces of a CentOS server to >two Gigabit Ethernet switches. In case one switch goes down, there is a >redundant path (the server is redundant too). Here is the idea: > > ----------- > | GbE | > PCs ------------| switch |------------ > | | ----------- | > | ----------------- ----------------- > ---| Workgoup Switch | | CentOS/Asterisk | > | ----------------- ----------------- > | | ----------- | > VoIP ------------| GbE |------------ >Phones | switch | > ----------- > > > Why don't you just bond the two interfaces? An alternative would be to use one interface as a primary link and periodically check its "hearbeat". If the interface goes down, you just add the route for the other interface to your default gateway. Bonding the 2 channels is probably the easier method, though. Cheers,