S2S VPN using AES-256

Unanswered Question
Sep 7th, 2008
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Just curious if anyone encountered a problem using AES-256 Encryption.

This is the setup.


I was performing tech refresh of the two routers. Between the two routers are P2P Leased Circuit.

IBM MQ Series Server in S_local_IP and D_Local_IP

Both server able to telnet its remote counterpart application port, but not able to establish channel connection in the same port.

I did check the crypto status all seems to work well.

After removing the IPSec from the Serial Interface, all works fine.

I change the encryption from AES-256 to 3DES and re-apply IPSec in the Serial Interface, all works fine.

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