Technically, "multi-homed" is exactly that: having more than one IP address.
Doing hot-failover with no loss of connectivity is a lot easier to do with two circuits of the same kind (or at least through the same provider, terminating into the same peering gateway). On 9/22/10 8:16 AM, James Babiak wrote: > Dan, > > You're not really 'multi-homed', you just have two Internet circuits. If > one goes down, it's not like you can use the same IP address on the > other one. > > What you can do though is setup the second circuit as a fail-over if the > first one goes down. We do this and it works very well. We basically > have a script running in the background that monitors for connectivity > on the primary circuit. If it loses connectivity for so many seconds, it > will test to see if the secondary circuit is online. If it is, it > changes the default route to use the secondary. It continually monitors, > using a host route, to see if the primary circuit comes back, and if so > it changes the default route back over to it. > > Keep in mind that any external calls in progress when the primary goes > down would die. > > -James > > On 09/22/2010 10:42 AM, Dan Ryson wrote: >> I think this topic has already been discussed before on this list. >> However, Google and I can't seem to find the discussion thread. >> >> We have fixed IPs from both a cable and DSL provider. It it feasible to >> our multi-home AstLinux using a Soekris net5501? If so, how? >> >> Thanks. >> >> Dan >> >> ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Astlinux-users mailing list Astlinux-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/astlinux-users Donations to support AstLinux are graciously accepted via PayPal to pay...@krisk.org.
