[c-nsp] Strange Arp Entries

Wouter Prins wp at null0.nl
Fri Aug 30 13:12:28 EDT 2013


Hi Joseph,

You probably set a static (default) route with a next-hop interface
instead of next-hop IP.

On 30 August 2013 18:45, Joseph Mays <mays at win.net> wrote:
> I have a simple cisco 2600 that has two fastethernet interfaces. The arp table is filled with entries from ip's from all over the internet associated with the wan interface. I have "no ip proxy-arp" turned on for both interfaces. Any idea why the arp table might be filling up with this stuff?
>
> [...]
> Internet  194.225.24.70          73   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  4.79.209.231           21   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  208.185.44.56          38   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  65.55.206.197          41   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  184.31.53.239         101   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  184.51.126.136         28   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  211.23.224.89          63   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  186.114.187.14        212   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  94.102.51.118          48   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  54.242.87.237         217   000d.bdc3.f861  ARPA   FastEthernet0/0
> Internet  74.125.29.84          225   000d.bdc3.f861  ARPA   FastEthernet0/0
> [...]
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-- 
Wouter Prins
wp at null0.nl



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