Configuring a failover solution
- From: "lelo" <leroyd@xxxxxxxxxxxxx>
- Date: 29 Nov 2005 17:00:00 -0800
We have a network that has 2 T1 lines from 2 different ISPs. T1 line
A is currently connected to our network by a cisco 2600 series router
which in turn is connected to a cisco 515 pix. The ISP for line A
allocates us 7 ip addresses on the 209.208.x.x subnet which we use on
our different outside interfaces ( router, pix, etc).
T1 line B is currently live and is connected to a different cisco
2600 series router and is not
presently connected to our network. The ISP for line B allocates us 8
ip addressess on the 12.14.16.x subnet which we can use for what we see
fit to use them on. The T1 for line A has occasionally gone down so we
would like to, if possible, configure some type of setup so that we
could also connect T1 line B to our network so that if T1 line A goes
down again T1 line B would kick in to pick up the slack(failover). We
mentioned this to both ISPs and they stated that they don't want to use
the other's ip addresses if this failover occurs. Does anyone know how
to set up such a configuration with 2 T1 lines, two 2600 series routers
and 1 515 pix. We have additional routers. Any help would be greatly
appreciated.
.
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