Please disregard that post. Totally unrelated.... <sneaking away with tail between legs>
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Win2000 Server sending Netbios packets to UDP 137 of autoconfiguration IP
I understand that UDP port 137 is associated with Netbios -- what I don't get is why my server keeps attempting to send packets out to 169.254.101.152 UDP 137, which is part of Microsoft's 'autoconfiguration' range assigned to computers without dhcp/static IP addresses (169.254.*.*).
Three attempts seem to be made every ten to twelve minutes.
My server is part of a completely functioning domain and is itself a DHCP server.
Any help would be greatly appreciated, I find this really bizarre.
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Answers
http://members.tripod.com/
This gives you a list of commands and stuff to use. It might help.
Sounds like somone booted up a PC, didn't get an IP address via DHCP so it defaulted to the 169.254.x.x address, is now on the network and still trying to use that address. The server is just trying to respond to it, but can't. You'll need to find that rougue workstation and have them release/renew their IP address..
The fact that it happens about every 20 Minutes makes me think it's the browser service, can't remember which Port that uses.
You could check with browstat.exe if maybe a machine on your network that is a masterbrowser has an autoconfigured IPaddress.
On the other hand 137 is the Port for NetBios Name Service so I guess lmoore is probably right.
Its just a wins network broadcast, be very careful with these if you have any demand dial 'pay per call' ISDN or similar routers on your network as broadcasts of this type can trigger a demand dial every 20 mins racking up a massive phone bill. I have seen a large number of very irate clients in the past that this has happened to!
Cael:
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by: lrmoorePosted on 2003-05-13 at 12:17:38ID: 8519506
Cisco Long Range Ethernet (LRE) may be just what you're looking for. They were designed specifically for the hotel business in mind.
http://www.cisco.com/en/US
They should be managable by a web browser. Simply check a box to enable/disable the ports..