chan_ss7 mtp3d

nachofxcirijillo@xxxxxxxxxxx (Nacho FX Cirijillo Najazamapeletinan) · Sun, 1 May 2011 03:21:03 +0000

Hi.

you could configure two different ports for  signaling link, for example siuc1 port 12000 and siuc2 port 12001.

I hope this information are useful

bye

Date: Sat, 30 Apr 2011 06:41:14 -0700
From: anita.hall@xxxxxxxxxxxxx
To: asterisk-ss7 at lists.digium.com
Subject: chan_ss7 mtp3d

Hi
Could someone provide paid support for configuration of mtp3d and chan_ss7 for 100 E1 of which 2 are signaling links. The E1 lines are spread over 7 boxes ?

Thanks. 
Description of the problem I am facing is given below. 
Cheers!Anita. 
- Hide quoted text -

Hi

I am running a massive 100 E1 lines over SS7, distributed over 7 boxes with
only 2 signaling links.

I am trying to get mtp3d and chan_ss7 work for 2 signaling links across 7
boxes.

When I run mtp3d, I get this

debian:~# mtp3d
Using /etc/asterisk for config directory
Apr 30 03:22:35 [NOTICE] config.c:804 load_config_link Configured link 'l1'
on linkset 'siuc', firstcic=1
Apr 30 03:22:35 [NOTICE] config.c:804 load_config_link Configured link 'l2'

on linkset 'siuc', firstcic=33

<snip> 
on linkset 'siuc', firstcic=2977
Apr 30 03:22:35 [NOTICE] config.c:804 load_config_link Configured link 'l95'
on linkset 'siuc', firstcic=3009
Apr 30 03:22:35 [NOTICE] config.c:804 load_config_link Configured link 'l96'

on linkset 'siuc', firstcic=3041
Apr 30 03:22:35 [NOTICE] config.c:1277 load_config Configuring OPC 13323,
DPC 12650 for linkset 'siuc'.
Apr 30 03:22:35 [NOTICE] mtp.c:2378 mtp_init Initialising 2 signalling links

   -- Starting MTP thread, pid=29923.
   -- Starting mtp mainloop, pid=29923.
   -- Starting monitor thread, pid=29923.
Apr 30 03:22:35 [NOTICE] mtp.c:2259 mtp_init_link Initialising link 'l1/16',
linkset 'siuc', sls 0.

Using mtp3 service port 12000, socket 7
Apr 30 03:22:35 [NOTICE] mtp.c:2277 mtp_init_link Signalling channel on link
'l1/16' has signalling type 0x0080.
Apr 30 03:22:35 [NOTICE] mtp.c:2259 mtp_init_link Initialising link 'l2/16',

linkset 'siuc', sls 1.
Apr 30 03:22:35 [ERROR] mtp3io.c:84 setup_socket Cannot bind receiver
socket, errno=98: Address already in use
Apr 30 03:22:35 [NOTICE] mtp.c:2277 mtp_init_link Signalling channel on link

'l2/16' has signalling type 0x0080.
Apr 30 03:22:35 [ERROR] mtp3d.c:356 mtp_mainloop Could not setup mtp3 listen
port 12000, 98:Address already in use
Apr 30 03:22:35 [NOTICE] mtp.c:1974 mtp_thread_main Empty Dahdi output

buffer detected, outgoing packets may have been lost on link 'l1'.
Apr 30 03:22:35 [NOTICE] mtp.c:1974 mtp_thread_main Empty Dahdi output
buffer detected, outgoing packets may have been lost on link 'l2'.

The error message on my Asterisk CLI is

[Apr 30 03:25:09] ERROR[29959]: mtp3io.c:131 mtp3_connect_socket: Could not
connect to hostname/IP address 'debian', port '12000': Connection refused.

[Apr 30 03:25:14] WARNING[29959]: chan_ss7.c:129 process_event: Signaling
ready for linkset 'siuc'.
 for linkset 'siuc'.
[Apr 30 03:25:14] WARNING[29959]: chan_ss7.c:129 process_event: Signaling

ready for linkset 'siuc'.
[Apr 30 03:25:14] WARNING[29959]: chan_ss7.c:129 process_event: Signaling
ready for linkset 'siuc'.
[Apr 30 03:25:14] ERROR[29959]: mtp3io.c:131 mtp3_connect_socket: Could not

connect to hostname/IP address 'debian', port '12000': Connection refused.
[Apr 30 03:25:19] ERROR[29959]: mtp3io.c:131 mtp3_connect_socket: Could not
connect to hostname/IP address 'debian', port '12000': Connection refused.

[Apr 30 03:25:24] WARNING[29959]: mtp.c:2097 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Apr 30 03:25:24] WARNING[29959]: mtp.c:2097 mtp_thread_main: No signalling

links inservice and no cluster receivers alive, dropping packet!
[Apr 30 03:25:24] WARNING[29959]: mtp.c:2097 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Apr 30 03:25:24] WARNING[29959]: mtp.c:2097 mtp_thread_main: No signalling

links inservice and no cluster receivers alive, dropping packet!
[Apr 30 03:25:24] ERROR[29959]: mtp3io.c:131 mtp3_connect_socket: Could not
connect to hostname/IP address 'debian', port '12000': Connection refused.

[Apr 30 03:25:29] ERROR[29959]: mtp3io.c:131 mtp3_connect_socket: Could not
connect to hostname/IP address 'debian', port '12000': Connection refused.
[Apr 30 03:25:35] ERROR[29959]: mtp3io.c:131 mtp3_connect_socket: Could not

connect to hostname/IP address 'debian', port '12000': Connection refused.
[Apr 30 03:25:40] ERROR[29959]: mtp3io.c:131 mtp3_connect_socket: Could not
connect to hostname/IP address 'debian', port '12000': Connection refused.

debian:~# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination
ACCEPT     tcp  --  anywhere             anywhere            tcp spt:12000
state ESTABLISHED
ACCEPT     udp  --  anywhere             anywhere            udp spt:12000

state ESTABLISHED

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Here it can be seen that both udp and tcp are open on port 1200. However,

nmap thinks otherwise

PORT      STATE  SERVICE VERSION
12000/tcp closed cce4x

Any pointers will be helpful.

Thanks,
Anita.

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