[c-nsp] Strange Arp Entries

[Randy]

+1 to Gert for pointing out that pointing a dest to an interface; when the media type boradcast is always a bad-idea.
./Randy


>________________________________
>From: Gert Doering <gert at greenie.muc.de>
>To: Joseph Mays <mays at win.net> 
>Cc: cisco-nsp at puck.nether.net 
>Sent: Friday, August 30, 2013 11:25 AM
>Subject: Re: [c-nsp] Strange Arp Entries
>
>
>Hi,
>
>On Fri, Aug 30, 2013 at 12:45:26PM -0400, Joseph Mays 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
>
>You're pointing the default route at faste0/0.  Don't.
>
>("no ip proxy-arp" will not stop your router from asking the questions
>you told it to ask, it will only stop answering stupid questions from other
>devices)
>
>gert
>
>-- 
>USENET is *not* the non-clickable part of WWW!
>                                                          //www.muc.de/~gert/
>Gert Doering - Munich, Germany                            gert at greenie.muc.de
>fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
>
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