From: Radioactive Frog (pbhatkoti@gmail.com)
Date: Sat May 03 2008 - 02:36:17 ART
below are my comments to your questions
:) frog.
On Sat, May 3, 2008 at 12:20 PM, Tony Edwards <tonyedwards.rs@gmail.com>
wrote:
> Hi GS,
>
> Can some one explain me on how changing "the domain name & name servers "
> on
> IOS MGCP gateway will impact
> 1) the existing registration of gw with CCM and
>
Yeah, your MGCP gw will be deregister from CCM. Its heavly depends on domain
name if you've set there any.
2) status of current calls on the wire ?
As above... there will be no calls.
>
> The reason , why I am asking this Q is that , I am in a situation now
> where
> I need to modify the configured DNS domain name + name servers ( NOT
> Hostnames though) on 10 of my mgcp gateways. Since whenever we configure
> MGCP gateways on CCM , she require us to supply the DOMAIN name & Host
> name
> of the gateway ( as oppose to IP address on H323 gateway configuration) ,
> I
> am suspecting that , I may have to face some "Downtime". Because in this
> situation , I need to make changes at BOTH the ends , i.e on both gateway
> as
> well as on backend CCM and that will force the previous registration to
> break & then new registration will takes place.
>
> So that process may give me 1 or 2 mins of hit/downtime.
>
MAX downtime will be 5 minutes to do this excercise.
config t
ip domain-name abc.com
confirm this by using show ip domain blah..
In ccm u may change the dns e.g. gw1.abc.com
>
> Is the above thinking valid ?
>
> Is there any way , I can avoid downtime while I make these changes ?
>
I don't think so
>
> My limited understanding is that , the configured Domain name on CCM for
> MGCP gateways is only for initial registration for q931 MGCP Backhaul ONLY
> and she is has NOTHING to do with call processing from end IP handset
> nodes
> ? In other words , for both On-Net & Off-net calls to happen , these
> Domain
> name & Name servers configs are required at all ?
correct, only required for registering with CCM. The way ccm register gw is
hostname of the router and if there is ip domain-lookup is enabled hten
hostname+domainname.
It won't have any reaction on your phones!:)
>
>
> Finally , I do have few VG224s that are added as MGCP ( I should have
> added
> them as Skiny in the 1st place , any way ...) gateways as well. And as you
> may aware , you can add VG224s as just with just Host Names ( i.e no DNS
> name prefix is necessary on CCM). And on IOS Vg224s , I have not
> configured
> any domain names & name servers. That said , as long as I am not changing
> the VG224's Hostnames , the above required domain name & name server
> changes
> on IOS gateways will in NO way disrupt services on faxing side of the
> things
> on Vg224s , right ??
yup, leave them alone :)
>
>
> Your feedback is much appreciated.
>
> Cheers
>
> tony
>
>
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