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3845 arp issue

Hi,

I've got an arp problem. When I do a debug arp, I get this:

*Jun 9 18:44:01.775: IP ARP: creating incomplete entry for IP address: X.X.2.1 interface GigabitEthernet0/1

*Jun 9 18:44:01.775: IP ARP: sent req src X.X.2.4 0025.456f.8961,

dst X.X.2.1 0000.0000.0000 GigabitEthernet0/1.

*Jun 9 18:44:03.775: IP ARP: sent req src X.X.2.4 0025.456f.8961,

dst X.X.2.1 0000.0000.0000 GigabitEthernet0/1.

And I never receive any answer according to the router debug output.

If I go on the gateway(2.1) and ping the 3845, the arp table get's populated.

I can also make a static entry in the table and it work.

Any ideas ?

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