MGCP Domain names

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Jul 25th, 2008
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I understand that we need to ensure that the host name of the router matches the domain name in CCM and if you want " "hostname.cisco.com" then you need add the ip domain commend, as well as making the router name the same as well. The question I have is does the router name need to be in DNS for MGCP . When the router tries to registers with CCM as below you can see the IP address of the Router 22.36.173.1


Jul 25 08:54:42.467: cmapp_mgr_process_mgcp_oper_state_change()

*Jul 25 08:54:42.483: cmapp_mgr_check_hostlist: Active host is 0 (22.0.81.22)

*Jul 25 08:54:42.483: cmapp_mgr_check_hostlist: Host 0 (22.0.81.22) going active

*Jul 25 08:54:42.483: cmapp_host_fsm: Processing event GO_ACTIVE for host 0 (22.0.81.22) in state DOWN

*Jul 25 08:54:42.483: cmapp_start_host_tmr: Host 0 (22.0.81.22), tmr 0, duration 15000

*Jul 25 08:54:42.483: cmapp_open_new_link: Open link for [0]:22.0.81.22

*Jul 25 08:54:42.483: cmbh_open_tcp_link: Opening TCP link with Rem IP 22.0.81.22, Local IP 22.36.173.1, port 2428

*Jul 25 08:54:42.483: cmapp_open_new_link: Open initiated OK: Host 0 (22.0.81.22), session_id=665BE9A8

*Jul 25 08:54:42.483: cmapp_host_fsm: New state ACTIVE_OPENING for host 0 (22.0.81.22)

*Jul 25 08:54:42.499: cmbh_tcp_open_ind: TCP open succeeded for 22.0.81.22, calling callback.

*Jul 25 08:54:42.499: cmapp_host_fsm: Processing event CONN_OPEN for host 0 (22.0.81.22) in state ACTIVE_OPENING

*Jul 25 08:54:42.499: cmapp_stop_host_tmr: for host 0 (22.0.81.22)

*Jul 25 08:54:42.499: cmapp_mgr_send_rehome: new addr=22.0.81.22,port=2427

*Jul 25 08:54:42.499: cmapp_host_fsm: New state CHECK_MGCP_REG for host 0 (22.0.81.22)

*Jul 25 08:54:42.499: cmapp_check_def_mgc: MGC conn stat = 3

(1=UNKNOWN,2=CONNECTED,3=CONNECTING,4=NO_DNS_NAME,5=NO_RESPONSE)

*Jul 25 08:54:42.499: cmapp_host_fsm: Processing event MGCP_REGISTERING for host 0 (22.0.81.22) in state CHECK_MGCP_REG

*Jul 25 08:54:42.499: cmapp_mgcp_send_rsip: ip_addr=22.0.81.22 port=2427 if_type=-1, slot=0,subunit=0 rst_type=3

*Jul 25 08:54:42.499: cmapp_start_host_tmr: Host 0 (22.0.81.22), tmr 0, duration 30000

*Jul 25 08:54:42.499: cmapp_host_fsm: New state REGISTERING for host 0 (22.0.81.22)

*Jul 25 08:54:42.499: MGCP Packet sent to 22.0.81.22:2427--->


but then request to CCM as below I do not see any response


RSIP 5231303 [email protected] MGCP 0.1

RM: restart

<---


I need to check the local Firewall but I just need to confirm the DNS quesiton-should the call manager use the IP address of the router which is sent by the router when it tires to register? -*Jul 25 08:54:42.483: cmbh_open_tcp_link: Opening TCP link with Rem IP 22.0.81.22, Local IP 22.36.173.1, port 2428



thanks

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Ayodeji Okanlawon Fri, 07/25/2008 - 03:00
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If your callmanger version is 4.X then you need to edit the etc hosts file in callmanager, both your publisher and subscriber, and add the hostname (BESRST.be.net.intra) and its ip address.

iptuser55 Fri, 07/25/2008 - 05:22
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It is a CUCM 6.0 but on the LMHOST file on 4.x you only enter the other Servers in the cluster not any GW- Or that is what I have done in tee past

Ayodeji Okanlawon Fri, 07/25/2008 - 05:27
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If its ccm6. You dont need to do this.


Just make sure that in this case if your gateway hostname is BERST. hence the ip domain on your dateway must be.net.intra.


so you have this as your endpint on ccm. BESRST.be.net.intra


Once this is okay.do the following


conf t

no mgcp


mgcp.


iptuser55 Fri, 07/25/2008 - 09:28
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Done all this when the MGCP sends a registration request


Jul 25 16:32:19.563: MGCP Packet sent to 22.0.81.22:2427--->

RSIP 799041457 [email protected] MGCP 0.1

RM: restart

<---


We do not receive anything back from CUCM but you can ping ok the GW via the IP address and Host name. The router is a 2801 with a card in the 0/1/0 slot as per voice port in the attached file


Though the Router is in Belgium we had to have a UK DNS prefix for other reasons


below is the config and sh ccm etc


!

hostname BESRST

!

boot-start-marker

boot system flash flash:c2801-spservicesk9-mz.124-15.T4.bin

boot system flash flash:c2801-spservicesk9-mz.124-9.T7.bin

boot-end-marker

!

card type e1 0 1

!

no aaa new-model

network-clock-participate wic 1

network-clock-select 1 E1 0/1/0

ip cef

!

ip domain name uk.net.intra


!isdn switch-type primary-qsig

!

voice-card 0

!

application

global

service alternate default


!controller E1 0/1/0

framing NO-CRC4

loopback diag

pri-group timeslots 1-8,16 service mgcp


!interface Serial0/1/0:15

no ip address

encapsulation hdlc

isdn switch-type primary-qsig

isdn incoming-voice voice

isdn bind-l3 ccm-manager

no cdp enable

!

!voice-port 0/1/0:15

cptone BE

!

ccm-manager fallback-mgcp

ccm-manager mgcp

no ccm-manager fax protocol cisco

ccm-manager music-on-hold

ccm-manager config server 22.0.81.22

ccm-manager config

!

mgcp

mgcp call-agent 22.0.81.22 service-type mgcp version 0.1

mgcp dtmf-relay voip codec all mode out-of-band

mgcp rtp unreachable timeout 1000 action notify

mgcp modem passthrough voip mode nse

mgcp package-capability rtp-package

mgcp package-capability sst-package

mgcp package-capability pre-package

mgcp default-package dtmf-package

no mgcp package-capability res-package

no mgcp package-capability fxr-package

no mgcp timer receive-rtcp

mgcp sdp simple

mgcp fax t38 inhibit

mgcp rtp payload-type g726r16 static

mgcp bind control source-interface FastEthernet0/0

mgcp bind media source-interface FastEthernet0/0

!mgcp profile default

!

dial-peer voice 999001 pots

service mgcpapp

port 0/1/0:15

!

call-manager-fallback

max-conferences 8 gain -6

transfer-system full-consult

ip source-address 22.36.173.1 port 2000

max-ephones 15

max-dn 24

time-format 24

date-format dd-mm-yy


MGCP Domain Name: BESRST.uk.net.intra

Priority Status Host

============================================================

Primary Registering with CM 22.0.81.22

First Backup None

Second Backup None



Any idea`s



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