I forgot: Quality of Service has improved tremendously!
---------------------------------- Philippe Hanset IT Manager University of Tennessee, Knoxville Office of Information Technology Network Services 108 James D Hoskins Library 1400 Cumberland Ave Knoxville, TN 37996 Tel: 1-865-9746555 phanset at utk dot edu ---------------------------------- On Thu, 9 Oct 2008, Philippe Hanset wrote: > Brian, > > We have experienced the same issue during the last month. > A colleague of mine mentioned that iTunes Library sharing > was now ON by default...it could explain a lot! > We still have a large layer2 subnet (1000 APs, 4000 users in one > subnet...a monster) to provide roaming and, lately, have > been killed by Broadcast and Multicast Packets. > > In a desperate measure we have blocked (yesterday) on our Fat APs (Proxim > AP-2000 and 4000) > Multicast (IP range filtering) , IPv6 (Ethertype) and Netbios Name Service > (port 137) and Netbios Datagram (port 138). > Broadcast packets went during peak from 80 Packets/s to 30 Packets/s > and Multicats packets went from 150 Packets/s to 10-20 Packets/s. > > Our dormatories, based a Aruba controller Architecture, have /24 > subnets. No symptoms, no filtering there. > > We will revert this measure as soon as we upgrade our main campus > wireless to a Controller Based Architecture with small subnets. > > So far not too many HelpDesk Calls... > > Philippe > > ---------------------------------- > Philippe Hanset > IT Manager > University of Tennessee, Knoxville > Office of Information Technology > Network Services > 108 James D Hoskins Library > 1400 Cumberland Ave > Knoxville, TN 37996 > Tel: 1-865-9746555 > phanset at utk dot edu > ---------------------------------- > > On Tue, 7 Oct 2008, Brian J David wrote: > > > Greetings > > We where wondering how other schools have handled ITunes. We have seen the > > ITunes shared library's list exploding in size this year. With all that > > multicast traffic everywhere how have you handled the situation. > > > > Brian > > Brian J David > > Network Systems Engineer > > Boston College > > > > ********** > > 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/.
