North American Network Operators Group|
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RE: Router gets hurt!
I should mention that these are not my NT machines, they're all colocated customers that insist on using NT as a server platform. It seems simply turning the election off has cleared it all up. On Tue, 24 Nov 1998, Eric Germann wrote: > > You may also wish to implement WINS so it doesn't use broadcast name > resolution techniques. > > Also, if you have any WfWg machines, there was a fix years ago where > they wouldn't relinquish a master browser role. MS issued a fix back > in the 3.51 days. Similar situation, election wars, although it never > took out Cat 5's or 7206's on the networks we used. > > Surely you're not doing broadcast flooding on the Crisco, are you? > > Alternatively, you can force one machine to be the master browser and > the others to be backup browsers which pretty much obviates the need > for an election. > > I would suggest http://support.microsoft.com and search for Preferred > Master Browser. > > Eric > > > > > > ---"James D. Wilson" wrote: > > > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > I think you mean "browse master" and if your switches are falling > > apart by browser elections you probably have more serious problems on > > your network than NetBios traffic (however odorous it may "smell".) > > I'd take a good look at your spanning tree configuration and > > statistics on your switches. You could also be running into problems > > with bdpu traffic confusion in your switches spanning tree if you are > > also bridging and your bridge group priority 0 is not on your local > > side of your bridge group. > > > > - -----Original Message----- > > From: email@example.com [mailto:firstname.lastname@example.org]On Behalf Of > > Jason Weisberger > > Sent: Monday, November 23, 1998 8:02 PM > > To: email@example.com > > Subject: Router gets hurt! > > > > > > > > Discovered today that NT has the built in ability to drown your > > network > > and stomp on the routers cpu. Seems if someone sets up 2 NT domain > > masters > > or whatever that Netbios garbage is called, they attempt to "hold an > > election." The election is comprised of slamming every machine it can > > find > > and then every broadcast address it can think of with udp on port 137. > > > > After a few minutes of it an RSP4 gets real tired and you start losing > > packets as well as the switches all falling apart after trying to > > forward > > the zillion mbits/sec of useless data. > > > > Anyone else seen anything like this? > > > > - -- > > Jason Weisberger > > Chief Technology Officer > > SoftAware, Inc. 310/305-0275 > > > > > > > > -----BEGIN PGP SIGNATURE----- > > Version: PGPfreeware 5.5.5 for non-commercial use <http://www.nai.com> > > Comment: All Spammers Are Thieves - Jail Them Now > > > > iQA/AwUBNlpUyzAufbtGOmgdEQKO9ACg7UU/L9En2tkEbQkvINeAkGq0m1sAoJZy > > YVC8jBkQfTn46xdhNduWEPOo > > =fPj2 > > -----END PGP SIGNATURE----- > > > > > > > > > > _________________________________________________________ > DO YOU YAHOO!? > Get your free @yahoo.com address at http://mail.yahoo.com > -- Jason Weisberger Chief Technology Officer SoftAware, Inc. 310/305-0275