Re: Very Strange Problem....Any Ideas? [7:59682]

2002-12-23 Thread Sam Sneed
Another thing you may want to do is have MRTG poll the switch and/or routers. This way you may be able to notice if one of the one of the servers or netowrk devices is sending out unexpected large amounts of data. ""Craig Columbus"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... >

RE: Very Strange Problem....Any Ideas? [7:59682]

2002-12-23 Thread Priscilla Oppenheimer
You should probably look into the behavior of those UNIX servers that insist on using a /24 mask. Is it possible that they also advertise such a mask with ICMP? See RFC 1256 for more info about ICMP router solicitations and advertisements. I think I have seen Windows and Macintosh machines broadca

Re: Very Strange Problem....Any Ideas? [7:59682]

2002-12-23 Thread Craig Columbus
Since you worked in a brokerage situation, you probably understand better than most... It's straight IP, but there is equipment from Bloomberg, Metavante, Reuters, Pershing, etc. Most of the equipment, I have to take the vendor's word that it's not misbehaving since I don't have access. Supposed

Re: Very Strange Problem....Any Ideas? [7:59682]

2002-12-21 Thread The Long and Winding Road
Craig, I looked through the other responses, but I wanted to offer something. I worked in brokerage for a number of years, most of which time I was in the beginner's level regarding networking. But I do recall some "strange" things happening, and I never did trust the answers particular venders wer

Re: Very Strange Problem....Any Ideas? [7:59682]

2002-12-21 Thread Craig Columbus
Thanks for the reply. One of the guys with us actually put a sniffer (an actual hardware suitcase) on the network, but didn't notice anything unusual. Like you, I suspected that it might have been a poorly configured app or some broadcast traffic. If the trouble was showing up at the packet

RE: Very Strange Problem....Any Ideas? [7:59682]

2002-12-21 Thread Craig Columbus
If I understand you correctly, I don't think we were seeing what you're describing. We had the problem I described even when all devices were attached to a single 3548. Also, someone else asked about the MAC addressesthey were all correct. Clearing MACs on the switch didn't help the issue