I have a cisco lan exteder 1001 series and I have set it up so that it can be controlled by the core router but yet I can not ping the interface. Here is the lex interface configRouter#show int lex1
Lex1 is up, line protocol is up
Hardware is Lan Extender, address is 0000.0c33.6636 (bia...
I am unable to ping the ports on a lan extender. I get this message, PPP Serial1: Unsupported or un-negotiated protocol. Link = cdp. I know that the routers are communicating because I can show int lex 1 and get inf and can shut down and start the extender but I cant ping it. HELP.
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