High Availability configuration between 2 2901 routers

[goutam_04]

Hi All,

I have to install and configure two 2901 routers at different location with high availability.  These 2 routers would be connected through WAN, now I would like to configure high availability bwtween two routers.

I have attached a small diagram of the placement of 2 routers.

Could you please sugges how do I configure high availability between these 2 links or routers.

[andrew.prince]

HSRP and change the topology to

[goutam_04]

Hi,

Thanks... as of now i am not aware about the LAN between 2 routers...incase if there the routers are not connected via LAN, is there any way to acheive high availability by configurating routing protocol like OSPF.

As per your design, if there is any switch between 2 routers...then what should be the  configuration, as per my knowledge,

a. one l2 Vlan needs to be configured on switch and connect the router physical link.

b. 2 physical IP needs to be configured in each routers' interface and one virtual ip

But my doubt is how all traffic would be failover to secondary router.

Could you please give me more idea on this.

[andrew.prince · Accepted solution]

That is not an issue - even with a switch in the middle and multiple interfaces, HSRP is your solution, read the below

http://www.cisco.com/en/US/tech/tk648/tk362/tk321/tsd_technology_support_sub-protocol_home.html

HTH>