Show cdp neighbors does not show neighbors over frame relay

[jphurault]

Setup a frame relay configuration with CIsco's packet tracer. It exhibits two unexplained behaviors:

1. "Show CDP neighbors command does not show neighbors over the frame relay WAN.

2. I have setup a simulated frame-relay network using cicso paket tracer.  HQ can ping all of it's F0/1subinterfaces and ping B1 - B3.  B1 - B3 can ping HQ, but cannot ping their own interfaces (S1/0 on each router). Why?

[Richard Burts]

You have not provided any detail how the Frame Relay routers are configured and this would help. But I can guess at the issue. When a Frame Relay router can not ping it's own interface it frequently is because it does not have a Frame Relay map entry for it's own interface. Can you check whether there is a map entry?

HTH

Rick

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[paolo bevilacqua]

jphurault wrote:
Setup a frame relay configuration with CIsco's packet tracer. 

If you're serious about learning, use real routers, not toy simulators.

[cadet alain]

Hi,

1) cdp is disabled by default on frame-relay multipoint subinterfaces

2) as rick said above you need a static mapping on a frame-relay physical interface   to be able to ping yourself .

Regards.

Alain.