[cisco-voip] Are there any gotchas to watch out for switching to FQDN server names from IP address server names?

NateCCIE nateccie at gmail.com
Wed Nov 30 09:28:17 EST 2016


A reboot does work. What the deal is the new https version of tftp (port 6972) does not restart with the service restart.  So it continues to use the old cert. But it does stop and start with a service deactivation and reactivation.  Before cucm 11 the tftp over http was only plain text (port 6970)


Sent from my iPhone

> On Nov 30, 2016, at 1:12 AM, James Buchanan <james.buchanan2 at gmail.com> wrote:
> 
> Hello,
> 
> If I remember right, it actually has to be deactivated under Service Management. It's not just restarting the service.
> 
> Thanks,
> 
> James
> 
>> On Tue, Nov 29, 2016 at 11:36 PM, Derek Andrew <Derek.Andrew at usask.ca> wrote:
>> Would a simple reboot accomplish the same as deactivating and activating?
>> 
>>> On Mon, Nov 28, 2016 at 2:19 PM, Nick Barnett <nicksbarnett at gmail.com> wrote:
>>> I just thought I would share what happened with this, even though it is super old. Changing the node names to FQDN was mostly painless. The one thing that bit me was bug CSCuy13916. After changing the names of the nodes, the TFTP service needs to be DEACTIVATED and then re-activated in order to fully update the certificates.  Before taking those steps, I kept getting certificate errors from CuciLync, but afterwards, everything worked as designed.
>>> 
>>> Other than that, any CTI route points (and any other device as well) that exist will fall to another node in the CMG. Not a big deal, just something to be aware of.
>>> 
>>> Thanks,
>>> Nick
>>> 
>>>> On Wed, Aug 31, 2016 at 3:13 PM, Nick Barnett <nicksbarnett at gmail.com> wrote:
>>>> We are on 10.0 and this cluster has been upgraded over the years from 8.0 to 8.6 to 10.0.  I know it used to be common practice to rip the host name out of a new node and put in the IP address. That's how we are set up... but now that I need to do some work with certs so that jabber and cucilync work properly, it's time to fix this.
>>>> 
>>>> Is there anything I should watch out for? Anything that may bite me in rare cases? We have CER, CVP, CUC, UCCE and a rarely used IMP.
>>>> 
>>>> I checked that each node has DNS enabled by looking at "show network eth0" on each sub. I also then looked up each FQDN from each node and they all resolve properly. As far as I know, that's about it.
>>>> 
>>>> Thanks in advance!
>>>> 
>>>> nick
>>> 
>> 
>> 
>> 
>> -- 
>> Copyright 2016 Derek Andrew (excluding quotations)
>> 
>> +1 306 966 4808
>> Communication and Network Services
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>> 
>> Typed but not read.
>> 
>> 
>> 
>> 
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