[61965] in North American Network Operators' Group
Re: Some very strange network behaviors
daemon@ATHENA.MIT.EDU (Gregory Hicks)
Thu Sep 11 17:31:30 2003
Date: Thu, 11 Sep 2003 14:30:42 -0700 (PDT)
From: Gregory Hicks <ghicks@cadence.com>
Reply-To: Gregory Hicks <ghicks@cadence.com>
To: mike@rockynet.com, crist.clark@globalstar.com
Cc: nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu
> Date: Thu, 11 Sep 2003 13:35:37 -0700
> From: Crist Clark <crist.clark@globalstar.com>
>
> Mike Lewinski wrote:
> >
[...snip...]
> OS's IP stack is misbehaving badly, Zone Alarm should not see the traffic
> on the LAN that does not have his MAC address on it.
>
> How would a switch/router be deciding that these other IP addresses
> should go to his PC's NIC (MAC address)?
Unless the switch got confused when the MAC address changed as it
did...? Then the switch would go into "broadcast" or "flood" mode
where every packet is delivered to evey port because the switch doesn't
know where to send it.
Regards,
Gregory Hicks
> --
> Crist J. Clark crist.clark@globalstar.com
> Globalstar Communications (408) 933-4387
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