The other thing I should mention is that I was unable to predownload directly from 7.4.110 to 7.6.120, they would all fail. I had to upgrade to intermediate version 7.4.121 to enable predownloading to work.
Oli On 1 August 2014 09:47, Oliver Elliott <oliver.elli...@bristol.ac.uk> wrote: > I had a hell of a time upgrading from 7.4.110 to 7.6.120 on WiSM2s: > > 1. Crashing due to web auth, resolved in 7.6.122.6 (aka MR3). > 2. Any newly provisioned AP would have its radios immediately disabled, > the only apparent workaround was to manually shut/no shut the radio > interfaces on the AP itself. > 3. A certain mix of non-cisco PoE & cable length caused APs to only > request 5W of power and leave their radios disabled, taking out large > sections of wireless coverage. > > To top it all, when I reverted to 7.4.121 after 36 hours of the above, the > entire campus radios were disabled in a similar way to fault 2. above, > eventually resolved this though. > > We'll be waiting for 8.0 now to support our [23]700s, and even then only > after it's been released for a few months. Getting a bit fed up of beta > testing Ciscos WLC code on our production network. > > Oli > > > On 1 August 2014 01:19, Jason Cook <jason.c...@adelaide.edu.au> wrote: > >> As a few others have mentioned, if you are running webauth get a >> recommended MR from TAC otherwise you’ll get crashes >> >> >> >> This seems a somewhat reasonable page as well. >> >> https://supportforums.cisco.com/document/7721/wireless-lan-alerts >> >> >> >> We had 3 AP’s fail upon pre-download of the image(came from 7.5), so yes >> they died during pre-download not during the actual upgrade. 1 came back >> but 2 now need replacement. Seems the same as what Kitri mentioned but our >> attempts to recover didn’t work so well. We followed a different process >> though. >> >> >> >> Had to reboot our 3602i AP’s with 11ac modules a second time after >> upgrade from 120.0 to the MR 122.6 release as 11ac clients couldn’t get >> DHCP. >> >> >> >> So if you ignore controller crashes, AP failures and extra AP reboots … >> it’s been smooth…….. >> >> >> >> There’s also a field upgrade image to go with the 7.6 code >> >> >> >> Yes we’ll follow the amen to a good stable code. They promise a lot for >> code 8 but I won’t hold my breathe yet. >> >> >> >> -- >> >> Jason Cook >> >> The University of Adelaide, AUSTRALIA 5005 >> >> Ph : +61 8 8313 4800 >> >> e-mail: jason.c...@adelaide.edu.au<mailto:jason.c...@adelaide.edu.au> >> >> >> >> *From:* The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto: >> WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] *On Behalf Of *Kitri Waterman >> *Sent:* Friday, 1 August 2014 2:17 AM >> >> *To:* WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU >> *Subject:* Re: [WIRELESS-LAN] Cisco Controller Code >> >> >> >> We've run into an issue with some older APs (3500 and below) where >> they've gotten stuck trying to predownload a new image. The solution was >> deleting the recovery image from the AP and then initiating the predownload >> again. >> >> >> And another amen to the frustration with finding good stable code! >> >> Kitri Waterman >> - >> University of Oregon >> >> On 7/31/14, 7:47 AM, Tom Klimek wrote: >> >> We need to upgrade our 5508 controller code to support the 2702i >> AP's(Currently at 7.3.101.0). We have a lot of 2600, 3500 series AP's and >> some legacy 1142 and 1131's. We are thinking about moving to 7.6.120.0. Has >> anyone had experience with this version ? Any issues? recommendations? >> >> >> >> >> >> Thanks, >> >> Tom Klimek >> >> University of Notre Dame >> >> >> >> >> >> ********** 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/. >> > > > > -- > Oliver Elliott > Network Specialist > IT Services > University of Bristol > e: oliver.elli...@bristol.ac.uk > t: 0117 92 (87861) > -- Oliver Elliott Network Specialist IT Services University of Bristol e: oliver.elli...@bristol.ac.uk t: 0117 92 (87861) ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
