That just means someone sent a packet to those IP addresses, the router
knows that if they exist, they are directly connected, so it should be able
to ARP for them. So it does, never gets a reply (hence the incomplete) and
purges them after givingup.
So its normal. To avoid it, you'd have to filter all traffic to address that
dont exist.
pankaj wrote:
> Hi all,
>
> show arp
> Protocol Address Age (min) Hardware Addr Type Interface
> Internet 192.168.1.199 0 Incomplete ARPA
> Internet 192.168.1.205 0 Incomplete ARPA
> Internet 192.168.1.5 0 0060.fb50.3014 ARPA
> FastEthernet0/0
> Internet 192.168.1.7 237 0002.4b6d.26c0 ARPA
> FastEthernet0/0
> Internet 192.168.1.1 - 0002.4be0.3b40 ARPA
> FastEthernet0/0
>
> Here why first two entry there when I am not at all using 192.168.1.199
> , and 192.168.1.205.
> This undesirable arps apper for few min only, and IPs(differnet IPs) are
> aslo randomly appering....
>
> Is this IOS bug or something configuration problem??
>
> Thanks
> pankaj
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