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Community Member

Reliable Static Routing Backup Using Object Tracking Issue

Hi All expert,

I was trying to implement this feature in our environment, so that I configure my 2 routers with this feature. I'd configure a loopback interface for the tracking IP. But when the primary link (route) is fail, it can't output the traffic to second link, I can see the routing table is change to second route, but the traffic can't go through, can anyone point me the mistake I'd made?

Thank you.

Diagram:-

R1 --- R2 -- R4 (same router R4)

|

|

R3 --- R4 (same router R4)

6 REPLIES
Community Member

Re: Reliable Static Routing Backup Using Object Tracking Issue

hi,

ur n/w topology is like this i guess.

r1--r2

x |

| |

| |

r3-xr4

(x is ur back up link)

correct?

Community Member

Re: Reliable Static Routing Backup Using Object Tracking Issue

Yes, correct.

Can you please kindly point me my error on the configuration?

Because the first link down, second link can't ping to destination. But from the routing table I can see the second route was in place.

Please help.

Community Member

Re: Reliable Static Routing Backup Using Object Tracking Issue

Hi Shawvoel

try removing this command

access-list 101 permit icmp any host 172.16.1.1 echo

!

route-map MY_POLICY permit 10

match ip address 101

set interface Null0

set ip next-hop 192.168.1.2

and let me know

Silver

Re: Reliable Static Routing Backup Using Object Tracking Issue

Check to see if R4 has routes back to the other subnets, I mean the backup link subnets.

Please if you can paste R2 and R3 config as well so I can understand what are you trying to do.

Thanks,

Community Member

Re: Reliable Static Routing Backup Using Object Tracking Issue

Please help to identify the issue.

Thank you.

Community Member

Re: Reliable Static Routing Backup Using Object Tracking Issue

Hi jitesh,

Yes, I'd try this, but the object tracking will sometime up & sometime down status when I show "show ip route track-table".

I can't figure out why the tracking will still up even I shut down the interface.

Here I attach the rest of the router config.

Thank you.

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