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

[Derek Andrew]

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)

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