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Community Member

3825 Gateway will not register with Call Manager 4.1

This was working last night, not onsite to troubleshoot but can ILO into server and telnet into 3825.

I am able to ping between the units.

Everything looks normal on CCM, except for the gateways not registering.

Sho ccm on the 3825 show:

CCMG#sho ccm

MGCP Domain Name: CCMG

Priority Status Host


Primary Down

First Backup None

Second Backup None

Current active Call Manager: None

Backhaul/Redundant link port: 2428

Failover Interval: 30 seconds

Keepalive Interval: 15 seconds

Last keepalive sent: 08:22:31 NewYork Mar 11 2008 (elapsed ti


Last MGCP traffic time: 08:57:41 NewYork Mar 11 2008 (elapsed ti


Last failover time: None

Last switchback time: None

Switchback mode: Graceful

MGCP Fallback mode: Not Selected

Last MGCP Fallback start time: None

Last MGCP Fallback end time: None

MGCP Download Tones: Disabled

Backhaul/Redundant link is down

Configuration Auto-Download Information


Current version-id: {781D308B-2888-41B7-BA4A-7922241F0463}

Last config-downloaded:00:00:00

Current state: Waiting for commands

Configuration Download statistics:

Download Attempted : 1

Download Successful : 1

Download Failed : 0

Configuration Attempted : 1

Configuration Successful : 1

Configuration Failed(Parsing): 0

Configuration Failed(config) : 0

Last config download command: New Registration

FAX mode: cisco

Configuration Error History:

Community Member

Re: 3825 Gateway will not register with Call Manager 4.1

Alright, just fixed it.

We have these connected through a 3560 switch on VLAN 100. When I tried to ping the switch, .5 it failed the first 2 times then responded.

Not sure why this would have stopped the gateway from registering if .1 and .2 could still ping each other.

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