Hello,
I have a little bit different implementation to do, but its not working,
also there is a problem with oneway traffic and after some days there is
no chance to get traffic over it.
I tried it with chan_ss7 0.9 and 8.4, but alwas the same problem, for me
it looks like that there is a cache in Zaptel or something like this,
which is full and its not working.
Can you write some details of asterisk/zaptel/chan_ss7 versions you use?
did you tried to make a bit more calls for a week or so on?
Thanks
Nico
On Thu, 31 May 2007, Juan Carlos Castro y Castro wrote:
Hello. I have the mission of implementing a big SS7 cluster using chan_ss7.
The channel driver itself works in the simplest case -- with one Asterisk
communicating with one switch, I can make and receive calls just fine. More,
I can even communicate with two different switches (different DPCs) and I can
make and receive calls on either one from the same Asterisk machine -- as
long as each of those links has signalling. Groovy. Now, on to the cluster
part.
I has the setup described in the diagram below, and ss7.conf is just below
that. The problem is: the L2 link, from machine 1 to switch sw4, never comes
up -- it always show "reset pending" in "ss7 show channels". It's not a
physical problem, because if I disconnect the cable from L2 and put in L9 in
the other machine (and change ss7.conf in myasthost-03 accordingly for a
non-cluster configuration), it does come up.
I imagine myasthost-01 was supposed to perform that link's reset by
communicating with myasthost-03 through chan_ss7's cluster protocol. For some
reason it isn't. It isn't a network problem either, I can see in the logs
they "see" each other through port 5040.
Our servers are Dell PowerEdge 1950 with Digium TE410P quad-span cards,
jumpered for E1, running Fedora Core 6, the latest 1.2 series Asterisk, and
chan_ss7 0.9.
+-----------------+ +-----------------+
| myasthost-01 | | myasthost-03 | <-- Asterisk Machines
| L1 L2 L3 L4 | | L9 L10 L11 L12 |
+--+---+---+---+--+ +--+---+---+---+--+
| | |
| | |
| +---------------------+ +---+
| | |
|S | |S
+--+-----------------+ +--+--------+--------+
| CIC 1 | | CIC 1 CIC 129 | <-- Ericsson AXE's
| Switch sw1 | | Switch sw4 |
+--------------------+ +--------------------+
S = Has signalling on timeslot 16
ss7.conf:
----------------------------------------------------------------------
[linkset-sw1]
enabled => yes
enable_st => no
use_connect => yes
hunting_policy => even_mru
subservice => auto
context => ss7
language => da
t35 => 15000,timeout
subservice => auto
[linkset-sw4]
enabled => yes
enable_st => no
use_connect => yes
hunting_policy => even_mru
subservice => auto
context => ss7
language => da
t35 => 15000,timeout
subservice => auto
[link-l1]
linkset => sw1
channels => 1-15,17-31
schannel => 16
firstcic => 1
enabled => yes
[link-l2]
linkset => sw4
channels => 1-31
schannel =>
firstcic => 1
enabled => yes
[link-l10]
linkset => sw4
channels => 1-15,17-31
schannel => 16
firstcic => 129
enabled => yes
[host-myasthost-01]
enabled => yes
default_linkset => sw1
opc => 0x3000
dpc => sw1:0x2001,sw4:0x2004
links => l1:1,l2:2
if-1 => 10.10.10.1
[host-myasthost-03]
enabled => yes
default_linkset => sw4
opc => 0x3fce
dpc => sw1:0x2001,sw4:0x2004
links => l10:2
if-1 => 10.10.10.3
[cluster]
; Listen on TCP port 5040
port => 5040
l1 => myasthost-03#if-1
l2 => myasthost-03#if-1
l10 => myasthost-01#if-1
----------------------------------------------------------------------
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