More good info. This list rocks. Sent from my iPhone
On 2014-02-19, at 5:28 PM, Bernhard Czapp <b...@bsw-com.de> wrote: > Hello Lelio, > > find more information here: > https://supportforums.cisco.com/docs/DOC-15799#Rollback_Enterprise_Parameter > > "Prepare Cluster for Rollback to pre-8.0" > does not delete the ITL, instead it installs ITL to trust any device. > > Best regards, > Bernhard > > > ----- Ursprüngliche Mail ----- >> Von: "Lelio Fulgenzi" <le...@uoguelph.ca> >> An: "cisco-voip voyp list" <cisco-voip@puck.nether.net> >> Gesendet: Mittwoch, 19. Februar 2014 22:37:35 >> Betreff: [cisco-voip] unexpected behaviour with "Prepare Cluster for >> Rollback" and migrating phones between v9 and v7 >> cluster >> >> >> OK, now I am officially confused. ;) >> >> I was under the impression that once a phone has registered to a v9 cluster, >> it downloads an ITL trust list/file which prevents it from registering to a >> v7 cluster. To help with this, the "Prepare Cluster for Rollback" enterprise >> parameter was introduced. >> >> Here's what I did: >> >> * upgraded offline cluster (all servers had same hostname and IP address) >> * set the "Prepare Cluster for Rollback" parameter to True and clicked >> Save (because there were no phones registered, I did not "Apply >> Changes") >> * plugged phones into the offline network >> * phones registered to the new offline v9 cluster >> * checked phone security pages - they showed ITL files listed (that long >> string of numbers) >> * thinking it was the "Apply Changes" that missed something, I clicked >> that >> * phones restarted, but still showed an ITL file >> * brought a phone back to the live network, phone registered to the v7 >> cluster (still has an ITL file listed) >> * on offline cluster, change the "Prepare Cluster for Rollback" to False, >> clicked Save, clicked Apply Changes (phones restarted, and showed an ITL >> file) >> * I picked up one of the phones from the offline network (now in >> rollback=false mode) and brought it to the live network. It registered >> to the v7 cluster. >> >> >> >> So what I see are a few things confusing me: >> >> * Why do phones still have ITL files if the cluster is in rollback mode. >> This is not a big deal, but I'd like to be able to tell from the phone >> when it's registered with the "Prepare Cluster for Rollback" set to >> TRUE. >> * Why does a phone that registers to a v7 cluster still have it's ITL >> file set? >> * Why (and this is the one that gets me) does a phone that was on v9 with >> "Prepare Cluster for Rollback" set to FALSE successfully register to the >> v7 cluster? >> >> >> >> Is the ITL trust list a simple hash of the IP addresses and host names of the >> cluster members? If I don't change anything, things will continue to work? >> >> >> >> >> Is something wrong with my logic and steps? I was testing with a 7942 and a >> 7962. >> >> >> >> >> >> Lelio >> >> >> --- >> Lelio Fulgenzi, B.A. >> Senior Analyst, Network Infrastructure >> Computing and Communications Services (CCS) >> University of Guelph >> >> 519‐824‐4120 Ext 56354 >> le...@uoguelph.ca >> www.uoguelph.ca/ccs >> Room 037, Animal Science and Nutrition Building >> Guelph, Ontario, N1G 2W1 >> >> >> _______________________________________________ >> cisco-voip mailing list >> cisco-voip@puck.nether.net >> https://puck.nether.net/mailman/listinfo/cisco-voip > > _______________________________________________ > cisco-voip mailing list > cisco-voip@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-voip _______________________________________________ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
