hi Guys, Thanks for your replies.
If the DB replication does go out of sync is there any troubleshooting step that can be executed . Hope it does not take too much time to sync since we would then loose the time to complete other tasks in the process. 1) Also does restart of NTP on Publisher and subscriber fix all issues related to DB replication caused due to NTP? 2) Is it recommended that we restart NTP service on Publisher and subscriber after adding NTP server to the Publisher? 3) What can be done to determine the cause of the issue? -MJ On Wed, Jun 5, 2013 at 10:55 PM, Sears, Michael (msears) < michael.se...@compucom.com> wrote: > > 1) which is the best way to bind the service module to the router is > > it required to bind it to the loopback of the router or the interface > > voice VLAN. > > > >Answer: It depends on the question it could be either the Loopback or the > >Voice VLAN it should say in the LAB. In my practice I use both > alternating, > >one lab I'll use the Voice VLAN and then on another run through the lab > >I'll use the Loopback. > > > >Note that people have had issues using the Loopback so best to figure it > out > >before setting the LAB. > > > > 2) On my HQ router I am configuring it to sync with a back NTP > > server. I am also required to sync the CUCM publisher with the > > loopback of this HQ router . Here are my questions... > > > > a) I have the following configuration on the HQ router... > > ntp source Loopback0 > > ntp server 177.26.1.100 > > > >HQ ntp configuration: > >ntp source Loopback0 > >ntp server 177.26.1.100 burst iburst > > > > 3) On CUCM PUB I have added the NTP server and given it the ip > > address of loopback of HQ router. Now my questions are... > > > > 1) Is a reboot of CUCM required? No > > 2) If the ntp does not sync will my DB replication break after a few > hours? > > > >Answer: If the NTP Server does not synchronize need to determine why. > When > >I've had issues in the past with NTP not synchronizing it did not break > >dbreplication over a period of hours. Although I suppose there's that > possibility. > > > > > >Michael Sears, CCIE(V)#38404 > > >
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