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VG3825 unregistered with CCMs

I have a VG3825 registered with two Callmanager Subscribers, and this VG keep registered and unregistered couple of times each day during the working hour, and not happened after hour, the following is part of the debug logs: debug ccm events, debug ccm errors, debug ip tcp trans and debug mgcp packets.

Any clue will be appreciated.

Thanks,

042894: Apr 14 16:45:09.167 EDT: TCP0: RST received, Closing connection

042895: Apr 14 16:45:09.167 EDT: TCP0: state was ESTAB -> CLOSED [21885 -> 10.11.1.1(2428)]

042896: Apr 14 16:45:09.167 EDT: TCB 0x67526930 destroyed

042897: Apr 14 16:45:09.167 EDT: cmapp_host_fsm: Processing event CONN_CLOSED for host 1 (10.11.1.1) in state REGISTERED

042898: Apr 14 16:45:09.167 EDT: cmapp_mgr_send_rehome: new addr=0.0.0.0,port=2427

042899: Apr 14 16:45:09.167 EDT: cmapp_mgcp_send_rsip: ip_addr=10.11.1.1 port=2427 if_type=-1, slot=0,subunit=0 rst_type=1

042900: Apr 14 16:45:09.167 EDT: cmapp_mgcpapp_go_down: Setting mgc status to NO_RESPONSE

042901: Apr 14 16:45:09.167 EDT: cmapp_host_fsm: New state DOWN for host 1 (10.11.1.1)

042902: Apr 14 16:45:09.167 EDT: cmapp_mgr_process_ev_active_host_failed: Active host 1 (10.11.1.1) failed

042903: Apr 14 16:45:09.167 EDT: cmapp_mgr_check_hostlist: Active host is 1 (10.11.1.1)

042904: Apr 14 16:45:09.167 EDT: cmapp_mgr_switchover: New actv host will be 0 (10.250.1.2)

042905: Apr 14 16:45:09.167 EDT: cmapp_host_fsm: Processing event GO_STANDBY for host 1 (10.11.1.1) in state DOWN

042906: Apr 14 16:45:09.167 EDT: cmapp_start_host_tmr: Host 1 (10.11.1.1), tmr 0, duration 15000

042907: Apr 14 16:45:09.167 EDT: cmapp_open_new_link: Open link for [1]:10.11.1.1

042908: Apr 14 16:45:09.167 EDT: cmbh_open_tcp_link: Opening TCP link with Rem IP 10.11.1.1, Local IP 10.6.2.245, port 2428

042909: Apr 14 16:45:09.167 EDT: TCB66456534 created

042910: Apr 14 16:45:09.167 EDT: TCP: Random local port generated 19876

042911: Apr 14 16:45:09.167 EDT: TCB66456534 bound to 10.6.2.245.19876

042912: Apr 14 16:45:09.167 EDT: TCP: sending SYN, seq 1796272649, ack 0

042913: Apr 14 16:45:09.167 EDT: TCP0: Connection to 10.11.1.1:2428, advertising MSS 536

042914: Apr 14 16:45:09.167 EDT: TCP0: state was CLOSED -> SYNSENT [19876 -> 10.11.1.1(2428)]

042915: Apr 14 16:45:09.167 EDT: cmapp_open_new_link: Open initiated OK: Host 1 (10.11.1.1), session_id=698233AC

042916: Apr 14 16:45:09.167 EDT: cmapp_host_fsm: New state STANDBY_OPENING for host 1 (10.11.1.1)

042917: Apr 14 16:45:09.167 EDT: cmapp_host_fsm: Processing event GO_ACTIVE for host 0 (10.250.1.2) in state STANDBY_READY

042918: Apr 14 16:45:09.167 EDT: cmapp_mgr_send_rehome: new addr=10.250.1.2,port=2427

042919: Apr 14 16:45:09.167 EDT: cmapp_host_fsm: New state REGISTERING for host 0 (10.250.1.2)

042920: Apr 14 16:45:09.167 EDT: cmapp_try_fallback(set_to_mode=ON)

042921: Apr 14 16:45:09.167 EDT: cmapp_try_fallback:max_ccm=1, cm[0].num_failed=0, try_cmlist=0

042922: Apr 14 16:45:09.167 EDT: cmapp_try_fallback:max_ccm=2, cm[1].num_failed=1, try_cmlist=1

042923: Apr 14 16:45:09.167 EDT: cmapp_try_fallback:try_cmlist=1 < max_ccm=2 * num_try=1, don't fallback yet

042924: Apr 14 16:45:09.167 EDT: cmapp_host_fsm: Processing event REGISTRATION_NEEDED for host 0 (10.250.1.2) in state REGISTERING

042925: Apr 14 16:45:09.167 EDT: cmapp_mgcp_send_rsip: ip_addr=10.250.1.2 port=2427 if_type=-1, slot=0,subunit=0 rst_type=3

042926: Apr 14 16:45:09.167 EDT: cmapp_start_host_tmr: Host 0 (10.250.1.2), tmr 1, duration 30000

2 REPLIES
Green

Re: VG3825 unregistered with CCMs

Topology?

***TCP0: RST received, Closing connection

This is because either TCP socket was reset by a sec device or in fact D channel went down

hence RST of TCP socket was necessary

Any FW between CCM or MGCP GW?

Have you tried disabling internal CCM firewall from CCM CLI if using Linux?Also start gathering detailed CCM SDI and SDL traces for the moment

Event viewer or SysLog viewer...

Community Member

Re: VG3825 unregistered with CCMs

MGCP vg3825 is working as SRST on siteA, CCM1 is the primary for vg3825 on siteB, CCM2 is the backup for vg3825 on siteC, there are firewalls and routers between each sites. This is windows system not Linux. I will update some trace files if you need. Thanks.

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