Re: [cisco-voip] Looking for insight into how Cisco 8851 deals with DNS TTL

2018-04-06 Thread Russell Goings
Thanks for the reply I am afraid that the client is running some older firmware on the various different SIP phone models. Most are at version 11-5-1SR1-1 As for Cisco documentation, it is becoming somewhat less useful as time goes on. My pet peeve is searching through Bug Search and finding nothi

Re: [cisco-voip] Looking for insight into how Cisco 8851 deals with DNS TTL

2018-04-06 Thread Charles Goldsmith
Anthony, it doesn't help that the SRND is also lighter in terms of total number of pages than it used to be. Back in the 8.x days, it was over 1400 pages. With all of the new technology and features added through to version 12.x, you would expect it to get larger, not smaller. On Fri, Apr 6, 20

Re: [cisco-voip] Looking for insight into how Cisco 8851 deals with DNS TTL

2018-04-06 Thread Anthony Holloway
I'm a little surprised that the spec for DNS support is not well documented. It should be in the SRND. Especially since DNS + Certificates are more common place today. On Fri, Apr 6, 2018 at 9:03 AM Wes Sisk (wsisk) wrote: > Looks like it was known broken at one point: > > The DNS Query Respon

Re: [cisco-voip] Looking for insight into how Cisco 8851 deals with DNS TTL

2018-04-06 Thread Wes Sisk (wsisk)
Looks like it was known broken at one point: The DNS Query Response TTL of the secondary DNS server is not being respected by the 9971/9951/8831 phones if the primary server goes down after the first request. Resolution Summary CSCut29536 for 8831 IP Phones CSCut29519 for 99xx IP Phones CSCut756