[c-nsp] Incomplete ARP entires

Oliver Boehmer (oboehmer) oboehmer at cisco.com
Fri Oct 22 07:23:02 EDT 2004

> One of the clients have been complaing  of a pathetic response from
> the ISP on doing an investigation its noticed that on their Router the
> fastetherenet which connects the LAN is having CRC's and also there is
> a huge amount of drops in the input queue, this was noticed on the
> Fastethernet interface, another thing is that in the Router's ARP
> table i see a lot of incomplete entries in the MAC row.
> Could anybody throw some light on this please.

do you have "ip route fastethernet0" configured on the
router? If so, change it by adding the next-hop IP address, otherwise
the router will arp for every dest-ip..


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