ARP Thrashing [7:16147]

2001-08-15 Thread Muhammad Shakeel Shamsi
I am having an ARP trashing error on a Cisco 2501 router, read about it on www.cisco.com. Summary is that router has a queue length of 16 to store ARP's, a new request kicks out old ARP already in the queue thus causing thrashing of ARP, the concerned network is crowded with HUBs, Any idea how to

RE: ARP Thrashing [7:16147]

2001-08-15 Thread dragi radovanovic
You might be hitting CSCdj44058, which is aparently a cosmetic bug only. Try upgrading to a higher version of software (12.0 GD releases are very stable). Regards, Dragi Muhammad Shakeel Shamsi wrote: > > I am having an ARP trashing error on a Cisco 2501 router, read > about it on www.cisco.com

Re: ARP Thrashing [7:16147]

2001-08-15 Thread Priscilla Oppenheimer
Could this be a symptom of Code Red or some other attack?? Others in the list know a lot about Code Red and could comment hopefully. My thinking is that the router is getting overwhelmed not so much by the TCP SYNs to port 80 but by the need to ARP for the targets. I believe the ARP cache could

RE: ARP Thrashing [7:16147]

2001-08-15 Thread Priscilla Oppenheimer
--Original Message- >From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]] >Sent: Wednesday, August 15, 2001 12:49 PM >To: [EMAIL PROTECTED] >Subject: Re: ARP Thrashing [7:16147] > > >Could this be a symptom of Code Red or some other attack?? Others in the >list know a lot abou