07-29-2008 11:08 AM - edited 03-03-2019 10:56 PM
Can I configure HSRP to run between two ports on the same router? I want to implement port level Layer 3 redundancy. Typically this is done using two different routers (better) but we have a single router. I have 2 HWIC-1FE ports that will be connected to the same network. I want the devices at the other end to have a single virtual IP to point to so that when a port fails on the 3825 a new active port is elected and traffic continues to flow. I've been told that HSRP will only run on 2 or more routers.
07-29-2008 11:40 AM
Hello,
you cannot use HSRP on two interfaces of a single router because you cannot put on them IP addresses of the same IP subent
you will get an error
adddress overlapping with ...
you can use IRB for this
bridge 1 route ip
int bvi1
ip address x.x.x.x y.y.y.y
int fas0/1
no ip address
bridge-group 1
int fas0/2
no ip address
bridge-group 1
this should give you redundancy with a single router
Hope to help
Giuseppe
07-31-2008 02:29 AM
Hello,
Also you can will do with etherchannel create a load balance and high available.
Look the follow:
http://www.xpresslearn.com/cisco/general/etherchannel-router-interfaces
Regards.
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