About Brett Hanson

Brett Hanson · 06-07-2017

Hi, I've recently taken over working on one of our clients from the previous tech and have been tasked with providing a post incident review - involving determining the root cause of an outage involving a Cisco ASA firewall. Firewall is 2 x ASA5545X...

Brett Hanson · 04-06-2014

Hi,Our system:CUCM publisher running 9.1.2.10000-28 CUCM subscriber running 9.1.2.10000-28UCCX publisher running 9.0.2.11001-24 aka 9.0(2) SU1UCCX subscriber running 9.0.2.11001-24 aka 9.0(2) SU1 We were performing some DR testing on the weekend and ...

Brett Hanson · 03-31-2014

Hi,Hope someone can shed some light and help us with an issue.We're upgrading CUCM cluster from 8.0.2.40000-1 to 9.1.2.10000-28Systems were on MCS hardware - migrated 8.0(2) successfully to VM infrastructure.Appeared to successfully upgrade Publisher...

Brett Hanson · 03-06-2014

Hi all, Just a heads up to anyone else who encounters this error when installing device firmware cop files onto CUCM.We were upgrading the firmware on our CUCM cluster (small - consists of 1 x Publisher and 1 x Subscriber) - running 8.0.2.40000-1 I w...

Brett Hanson · 11-27-2013

Hi folks,I've been trying to find out what the expected behaviour is for CUCM NTP in the event that the Publisher goes down and am not having any luck.As the Publisher looks to the NTP server for time and the Sub looks to the Publisher for time, what...

Brett Hanson · 07-10-2017

Thanks for your response. Thing is the connected network (WAN) isn't a public routable range and isn't in use anywhere on the network. As far as I'm concerned, even if the WAN network was (rightly) added to the routing table, it wouldn't have any rel...

Brett Hanson · 07-04-2017

Okay, found out partially why this happened. Turns out the cables were patched into the standby device. When the port was enabled, the active firewall failed over to the standby. Not sure, yet, why connectivity was not resumed when the standby took o...

Brett Hanson · 06-29-2017

*bump* Anyone?

Brett Hanson · 04-23-2015

I had a similar but not the same problem in a later version - it didn't involve UCCX and I did get ringback/fast busy but where I receive immediate ringback before it even knows if the call will be able to connect - e.g. if a phone was busy - it woul...

Brett Hanson · 04-06-2014

Hi Michael,Thanks for taking the time to reply.In answer to your questions - yes the test was purely taking the UCCX publisher offline.This was done by disconnecting it from the network (in this case, editing the settings of the VM in vSphere and un-...

Member Since	‎02-03-2011 11:36 PM
Date Last Visited	‎09-21-2018 06:53 AM
Posts	117
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Patching and enabling a port on ASA caused outage

UCCX HA cluster failover issue - when UCCX pub is offline CAD login error about JTAPI results

CUCM 8.0(2) upgrade subscriber to 9.1(2) fails - eth0: ipcalc: bad netmask: 255.255.255.000

"Error encountered: ERROR: Final installdb run unsuccessful" during firmware cop installation

CUCM 9.x+ NTP expected behaviour in failover situation

Thanks for your response.

Okay, found out partially why

bump Anyone?

I had a similar but not the

Hi Michael,Thanks for taking