See my question on this page about Frame Relay and DLCI
Frame Relay and DLCI
Aug 25, 2006
1 Replies
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I guess that: You could ping because the frame-relay switch in between does inverse frame-relay arp. Which means that dynamically a mapping between layer 2 (DLCI) and layer 3 (IP address) is determined.
You can disable this by setting: no frame-relay inverse-arp on the interface. However, you need to add a static frame-map to bind the DLCI to the (broadcast) IP address of the other side in case of a point-2-multipoint interface:
frame-relay map ip [broadcast]
FW
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