l2tp xconnect loopback source

[DraganSkundric87318]

hi,

I have router with trunk toward switch with configured subinterfaces. Each interface has l2tp xconnect to another router with looback interface as source. If I shutdown loopback interface will tunnels go down?

br

[Harold Ritter · Accepted solution]

Hi @DraganSkundric87318 ,

It definitely will.

[MHM Cisco World]

It will be down.

Can I ask what yoh try to test here?

MHM

[DraganSkundric87318]

shutdown 50 tunnels with one command. Shutting down phyisical interface is not an option

[MHM Cisco World]

Tunnels will be mark as down but this can lead to blackhole be careful.

MHM