Cryptographic cards are allowed on the Ethernet ports

I want to set up encryption between E0 on RouterA and E0 on RouterB. Is this possible?

RouterA and RouterB are related through the ports series (T1) or dial-up connections (ISDN, POTS) and are never on the same ethernet connection.

Intermediate links between RouterA and RouterB change regularly and frequently in my portable environment.

When I apply a cryptographic card to an ethernet port, it seems to crash the router, part of the traffic goes thru, but I lose telnet.

I use 2520 s and 4500's

Any ideas?

Thank you

Mark Matthias CCNA, CNA, CNE, MCP

The card encryption should be applied to the port outgoing (port facing the other peer router). You apply the encryption card to T1 and ISDN/POTS interfaces and define your ACL crypto to encrypt traffic between subnets ethernet.

Tags: Cisco Security

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