We actually fix all our b at 11 - and our a/g cells at 48 and 54. Works like a charm...
John J. Brassil | Network Engineer, Vanderbilt Data/Video Engineering voice 615.322.2496 > -----Original Message----- > From: 802.11 wireless issues listserv > [mailto:[EMAIL PROTECTED] On Behalf Of Dave Molta > Sent: Thursday, May 12, 2005 3:22 PM > To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > Subject: Re: [WIRELESS-LAN] mixing 'b' and 'g' > > > The performance degradation associated with mixing b and g on > the network varies depending on the mix of b and g traffic. I > believe our recent tests of b and g clients doing > simultaneous file transfers through the same AP showed an > aggregate TCP throughput of around 12 Mbps. That's about > twice what you'd see on a b-only network and about half what > you would see on a pure-G network with no protection. Things > can get worse if you have lots of 11b clients associated at 1 > Mbps because they use more bandwidth to get their work done. > Some organizations don't allow 11b associations at anything > lower than 5.5 Mbps. > > dm > > > -----Original Message----- > > From: 802.11 wireless issues listserv [mailto:WIRELESS- > > [EMAIL PROTECTED] On Behalf Of Mike Yohe > > Sent: Thursday, May 12, 2005 4:42 PM > > To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > > Subject: Re: [WIRELESS-LAN] mixing 'b' and 'g' > > > > I am not a wireless network expert, but it is my > understanding that a > > b connection to a WAP slows all traffic on that WAP to b speed. > > > > - Mike > > -- > > J. Michael Yohe > > Executive Director, Electronic Information Services Valparaiso > > University 410 Christopher Center, 1410 Chapel Drive, > Valparaiso, IN > > 46383-4523 > > E-mail: [EMAIL PROTECTED]; Phone: 219-464-6763; FAX: 219-548-7720 > > > > > > > > On Thu, 12 May 2005, James Savage wrote: > > > > > Date: Thu, 12 May 2005 16:18:55 -0400 > > > From: James Savage <[EMAIL PROTECTED]> > > > Reply-To: 802.11 wireless issues listserv > > > <WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU> > > > To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > > > Subject: [WIRELESS-LAN] mixing 'b' and 'g' > > > > > > Hi all, > > > We're in position where we may be mixing 'b' and 'g' > APs in areas > > where it's > > > likely users will roam between them. I didn't expect to have any > > problems > > > roaming between them and my testing has proven this. > Just wondering > > > if > > anyone > > > knows of any 'gotchas' that I've not discovered? > > > > > > ......thx........Jamie > > > > > > ********** > > > Participation and subscription information for this EDUCAUSE > > > Constituent > > Group discussion list can be found at > http://www.educause.edu/groups/. > > > > > > > ********** > > > Participation and subscription information for this EDUCAUSE > > Constituent Group discussion list can be found at > > http://www.educause.edu/groups/. > > ********** > Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
