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EEM applet

incognito
Level 1
Level 1

Hello, folks

Can someone explain how to create EEM applet on router? What I need: automatically change tunnel source interface from one to another when  the first one goes down. I mean when one ISP goes down we will switch to another ISP manually but we want to switch automatically to another tunnel source interface (the interface on  which we will switch to backup ISP)

 

from:

interface Tunnel0
ip address y.y.y.y
tunnel source GigabitEthernet0
tunnel destination x.x.x.x
to:

interface Tunnel0
ip address y.y.y.y
tunnel source FastEthernet1
tunnel destination x.x.x.x

2 Replies 2

Joe Clarke
Cisco Employee
Cisco Employee

Have a look at https://community.cisco.com/t5/networking-documents/how-to-introduce-large-delays-in-eem-policies/ta-p/3161702.  You can adapt the "track-down" applet so that instead of bringing up cell0, it switches your tunnel source.  The same can be done for "track-up" so that the tunnel source switches back.

thank you for the answer!

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