Dan, A small but important point to verify re: QoS.
By 'no QoS in place', does that mean the global 'mls qos' is NOT configured on the resHall switches or that no specific QoS config has been configured? Ex. if the global 'mls qos' is enabled, all ports (including APs) would be untrusted by default with all packet markings remarked as 0. Also, any QoS/service policies on the relevant router's interfaces? Given the L2 functions you mention are unique to the ResHall side, I'd disable them on the ports used by the APs. I wouldn't expect these L2 security functions to be needed on known AP ports and removing them might provide further insight on the issue. DAI disabling AP ports due to ARP pps threshold (odd)? Is errdisable auto-recovery of DAI enabled? Any log data from the switch of an affected AP? From: The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:[email protected]] On Behalf Of Dan Brisson Sent: Wednesday, February 01, 2012 11:35 AM To: [email protected] Subject: Re: [WIRELESS-LAN] Cisco APs losing CAPWAP session Ok, thanks for validating. It also seemed a bit strange to me and yes, I checked a bunch APs that haven't dropped recently and they all showed 10-12ms. One thing that occurred to me is we are doing DHCP snooping and Dynamic Arp Inspection on the 3560Xs. That is unique to this part of campus as we haven't yet rolled that out to the entire admin side. Thanks, -dan Dan Brisson Network Engineer University of Vermont (Ph) 802.656.8111 [email protected] On 2/1/2012 10:23 AM, Mike King wrote: On Wed, Feb 1, 2012 at 10:03 AM, Dan Brisson <[email protected]> wrote: It's been awhile since I've read these, but If I interpret this correctly, It took 1m 15s for the AP to associate to the controller. That's a very long time. Mine usually have association in the 10-20 second range. Not sure what that indicates, but it's an anomaly from my point of view. I don't think it's a rouge herring. (See Backhoe joke from earlier in the thread) Mike ********** 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/.
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