ISR 4451X CUBEs with Dial-Peers busy out problem.

[Gerardo Fajardo Perez]

Hi all,

Have a pair of CUBE´s in HA using Redundancy Group configuration (ISR 4451X,Cisco IOS Software, ISR4400 Software , Version 15.4(1)S3). So the problem comes when the Standby CUBE is disconnected from that port wich is referenced as the interface used to exchange keepalive and hello messages between the ISRs pair ( "application redundancy commands: control and data port)". When that disconecction is done, DIAL PEERS in the Active router goes to "busy-out" an then the calls going down.

On the other hand, if that Standby router is turned off, calls in transit do continue !.

Please let me know if there is something missing.

Thanks in advanced.

Gerardo Fajardo

[Marcelo Morais]

Hi Gerardo Fajardo,

 could you attach the show run?

Regards.

[Gerardo Fajardo Perez]

Hi Marcelo,

Here you are both configurations (Active and Standby).

Some sensitive information has been erased.

Thanks a lot.

Gerardo

[Marcelo Morais · Accepted solution]

Hi Gerardo Fajardo...,

 first of all, I attached an excellent doc about this subject, please take a look.

 Double check your 'redundancy' command configuration, specially in the 'priority' and 'protocol' commands ... use the doc that I attached as a reference.

Hope this helps.