Router Fail over

[ntran10]

I have a very interesting project but don't know if can be done or not. If someone know how, please let me know or point me to any sites, I greatly appreciate your help.

We have 2 Cisco Routers 2621 (each has 1 DSU T1 & 2 Fas Ethernet ports) and 2 Internet Service Providers (W/ ISP 1 we have T1 and DSL line, ISP 2 we have fractional T1)

Currently the setup liked this:

R1 is active and connect to ISP1 T1, if T1 down DSL will kick in (but it's not working anyway. The guy set this up never test and no longer here!!!!)
R2 never use

Would like to do:
R1 If T1 is going down then
R2 T1 become active.

Please help!

 

[l3stuff]

HSRP with port tracking is what you need to configure.

 

[jeter]

Right ( Hot Standby Router Protocol ) HSRP.

R1
interface ethernet0
ip address 10.1.0.2 255.255.255.0
no ip redirect
standby 10 priority 100
standby 10 preempt
standby 10 ip 10.1.0.1
standby 10 track Serial0 50

interface Serial0
ip address 10.3.0.1 255.255.255.0

router eigrp 1
network 10.0.0.0

R2
interface ethernet0
ip address 10.1.0.3 255.255.255.0
no ip redirect
standby 10 priority 80
standby preempt
standby 10 ip 10.1.0.1

interface Serial1
ip address 10.4.0.1 255.255.255.0

router eigrp 1
network 10.0.0.0


this will give an idea of how to set it up. A command to help you is ( show standby ).
Jeter@LasVegas.com
J.Fisher CCNA

 

[Saeed42]

Try this link for more info

http://www.cisco.com/univercd/cc/td/doc/cisintwk/ics/cs009.htm