Re: COM21 is killing me with ARP
On Wed, 13 Jun 2001, Angus D Madden wrote:
> On Wed, Jun 13, 2001 at 12:01:23PM +0200, Sebastiaan wrote:
> > a couple of days ago I installed a COM21 cable modem. Although I can
> > internet without problems, the modem itself is sending me endless ARP
> > requests, while my computer does not answer them. I analysed the data with
>
> I have a COM21 and I have the same problem. You'll notice that the TX
> light on your NIC will never stop. It never used to be a major problem
> with my ne2k-pci NIC (until the NIC got toasted for one reason or
> another). After that I switched to a 3c905*, which seemed to work great
> but would go dead after about 15 minutes (presumably because of the arp
> bombardment).
I hope it did not get toated because of the COM21: I only like fried
chips. I have no trouble with the interface (MACE, PowerMac) and the link
is pretty stable until now.
Thanks for the info,
Sebastiaan
>
> My solution was to reset with interface with a cron job every 15
> minutes. It's a total rat-fsck solution, but it works.
>
> >
> > This makes me nervous. 212.127.*.* is my ISP cable modem network. What is
> > this, can I stop it?
> >
>
> I'm not sure it comes from one source. If I tcp dump I see many 'arp
> who has xxx.xxx.xxx.xxx tell xxx.xxx.xxx.xxx' and the ip addresses jump
> around all over the place. Not sure how to stop it.
>
> g
>
>
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