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[asterisk-users] [Fwd: Re: Large issue - having trouble diag

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henk at osocoms.com
Guest

Posted: Mon Jan 21, 2008 5:31 am Post subject: [asterisk-users] [Fwd: Re: Large issue - having trouble diag

Try to find a pattern. Looks that you are able to reproduce the
problem. You mention after 4 minutes. Is this also the case for
internal calls? If so then I would say that the E1 is ok. If not then
I would step more into E1 related issues. Have you looked at the
ethernet cards. Collisions, errors.

Cameron Hissey schreef:

Quote:

thankyou both very much for your swift responses and helpful insight...

While my knowledge of administrating Asterisk is fairly decent, i must
say my knowledgebase and ability in troubleshooting it is fairly
lousy...

all these wonderful suggestions you have had about turning this log on
here, etc sounds great, but i don't know where to begin on that! how
do you recommend i turn these on or obtain them, else is there a site
you can point me to to save your precious time?

as for the network, we have two cisco routers, one is PoE and the
other is standard. we have tried to keep things constant whereby
phones are connected to the PoE and the data devices are connected to
the standard switch, however the cabling was a bit of a rush job and
consequently the PoE has proven unstable on many of the points, with
some of them not even supplying data packets. this has meant i have
had to share a single port for some desks, where the ethernet cable
plugs into the phone and the computer's ethernet connection is routed
through the phone also.

The issues that we are having however are not confined to any single
desk; they occur sperratically on all phones and with any number of
call volumes (small business so only max 6 calls at once incl
internal-internal) from 1 through to maximum capacity. I've been told
that it usually happens around the 4 minute mark but i wouldn't hold
him to that... im happy to setup whatever you think is going to fix
this, however unfortunately with having to share network points, i
dont really know how VLANS and segmentation are going to go...

Thanks so much everyone for your support!

Sincerely,

Cameron Hissey

On Jan 21, 2008 4:13 PM, Paul Hales < pdhales at optusnet.com.au
<mailto:pdhales at optusnet.com.au>> wrote:

-------- Forwarded Message --------
*From*: Paul Hales <pdhales at optusnet.com.au
<mailto:Paul%20Hales%20%3cpdhales at optusnet.com.au%3e>>
*Reply-To*: Asterisk Users Mailing List - Non-Commercial
Discussion <asterisk-users at lists.digium.com
<mailto:Asterisk%20Users%20Mailing%20List%20-%20Non-Commercial%20Discussion%20%3casterisk-users at lists.digium.com%3e>>
*To*: Asterisk Users Mailing List - Non-Commercial Discussion
<asterisk-users at lists.digium.com
<mailto:Asterisk%20Users%20Mailing%20List%20-%20Non-Commercial%20Discussion%20%3casterisk-users at lists.digium.com%3e>>
*Subject*: Re: [asterisk-users] Large issue - having trouble
diagnosing.
*Date*: Mon, 21 Jan 2008 15:47:54 +1100

Generally, E1 is pretty rock solid so my guess is more inside the
network. We found an issue at a site a while ago which was pretty
bad (calls cutting off randomly) and we fixed it by disconnecting
the voice and data networks. We could have troubleshot it
properly, but fitting an extra network card in the server was
cheaper and faster. Is there anything ugly in the logs? If not,
you could look at turning o debugging in logger.conf
.

later,

PaulH

On Mon, 2008-01-21 at 15:04 +1100, Cameron Hissey wrote:

Quote:

Hello,

I am having a lot of trouble with my deployment of Asterisk. I am
running the PBX-In-a-flash turnkey of Asterisk and ever since
deployment I have had many different problems. I have managed to get
all issues sorted out as I go along, until this one that randomly
began last week.

We are using Grandstream GXP 2000 Handsets in the office, and at
TE110P card to interface to our ISDN OnRamp10 connection (10 Channels
of PRI).

The problem arising seems to happen roughly 4minutes into a call.
Basically all of a sudden the caller just starts to no longer be
understood (sounds like morse code, only milliseconds of voice packets
getting through in either direction). naturally this could be a number
of non-asterisk related things such as a carrier fault, bad network
wiring (even more possible as we are using PoE), even badly configured
QoS. However things being as they are my boss has taken it upon
himself to absolve himself of any possible blame for any system that
he manages (everything but the asterisk box) and lumped it all on me
in such a way that its basically my job if i cannot get this working.
With all of this, i need to do everything i can to rule out the
Asterisk box, so i can go back to him with confidence and clear
asterisk of any wrongdoing.

Has anyone here ever heard of this sort of problem, and if so did you
find a solution? If not, what steps would you recommend i take to
diagnose the issue and rectify it as quickly as possible?

Thankyou very much,

Cameron Hissey
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pdhales at optusnet.co...
Guest

Posted: Mon Jan 21, 2008 6:58 pm Post subject: [asterisk-users] [Fwd: Re: Large issue - having trouble diag

In general - /var/log/asterisk/messages and /var/log/asterisk/debug are
great places to start.

After that, you can turn up the debugging in /etc/asterisk/logger.conf

later,

PaulH
On Mon, 2008-01-21 at 21:06 +1100, Cameron Hissey wrote:

Quote:

thankyou both very much for your swift responses and helpful
insight...

While my knowledge of administrating Asterisk is fairly decent, i must
say my knowledgebase and ability in troubleshooting it is fairly
lousy...

all these wonderful suggestions you have had about turning this log on
here, etc sounds great, but i don't know where to begin on that! how
do you recommend i turn these on or obtain them, else is there a site
you can point me to to save your precious time?

as for the network, we have two cisco routers, one is PoE and the
other is standard. we have tried to keep things constant whereby
phones are connected to the PoE and the data devices are connected to
the standard switch, however the cabling was a bit of a rush job and
consequently the PoE has proven unstable on many of the points, with
some of them not even supplying data packets. this has meant i have
had to share a single port for some desks, where the ethernet cable
plugs into the phone and the computer's ethernet connection is routed
through the phone also.

The issues that we are having however are not confined to any single
desk; they occur sperratically on all phones and with any number of
call volumes (small business so only max 6 calls at once incl
internal-internal) from 1 through to maximum capacity. I've been told
that it usually happens around the 4 minute mark but i wouldn't hold
him to that... im happy to setup whatever you think is going to fix
this, however unfortunately with having to share network points, i
dont really know how VLANS and segmentation are going to go...

Thanks so much everyone for your support!

Sincerely,

Cameron Hissey

On Jan 21, 2008 4:13 PM, Paul Hales < pdhales at optusnet.com.au> wrote:
-------- Forwarded Message --------
From: Paul Hales <pdhales at optusnet.com.au>
Reply-To: Asterisk Users Mailing List - Non-Commercial
Discussion <asterisk-users at lists.digium.com>
To: Asterisk Users Mailing List - Non-Commercial Discussion
<asterisk-users at lists.digium.com>
Subject: Re: [asterisk-users] Large issue - having trouble
diagnosing.
Date: Mon, 21 Jan 2008 15:47:54 +1100

Generally, E1 is pretty rock solid so my guess is more inside
the network. We found an issue at a site a while ago which was
pretty bad (calls cutting off randomly) and we fixed it by
disconnecting the voice and data networks. We could have
troubleshot it properly, but fitting an extra network card in
the server was cheaper and faster. Is there anything ugly in
the logs? If not, you could look at turning o debugging in
logger.conf
.

later,

PaulH

On Mon, 2008-01-21 at 15:04 +1100, Cameron Hissey wrote:

Quote:

_______________________________________________ -- Bandwidth
and Colocation Provided by http://www.api-digital.com --
asterisk-users mailing list To UNSUBSCRIBE or update options
visit:
http://lists.digium.com/mailman/listinfo/asterisk-users

_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users

pdhales at optusnet.co...
Guest

Posted: Tue Jan 22, 2008 6:35 pm Post subject: [asterisk-users] [Fwd: Re: Large issue - having trouble diag

I once attended an office with such bad cabling that we put the switch
on top of the server and ran cables against the walls to prove that the
internal cabling was rotten.

PaulH
On Tue, 2008-01-22 at 12:26 +1100, Cameron Hissey wrote:

Quote:

After changing all the networking and removing PoE, the problem is
still occuring. Have grabbed this log. is there any more information
you need?

Thanks,

Cameron Hissey

pdhales at optusnet.co...
Guest

Posted: Tue Jan 22, 2008 7:22 pm Post subject: [asterisk-users] [Fwd: Re: Large issue - having trouble diag

Unreachables are the the sign you are looking for!

We had a client where that happened all the time and after we
disconnected the phone network from the pc network it all went away.
Never bothered looking into it further.

PaulH
On Wed, 2008-01-23 at 10:49 +1100, Cameron Hissey wrote:

Quote:

Well yesterday i thought i'd solved the problem by running storebought
cables from the Cisco switch on our rack to the office, and then
plugging a smaller switch in in the office, and running all the phones
from that.

everything ran fine using this setup until i left the office for
lunch, and everything started playing up again.
Then when i returned everything was fine. Was very frustrating when
its so inexplicable that i couldnt test anything...

when i left again in the afternoon for half an hour things went from
bad to worse, nobody could call in or out.

I noticed that in the logs a lot of the phones were "unreachable" at
once, and all reachable again at the same time. To stop this from
being a possible cause i lengthened the time that the asterisk box
checks for the handsets.
I also realised that the cable connecting the asterisk box to the
switch may be dodgy, as multiple extensions were disappearing and
reappearing all at once. i swapped that cable out late yesterday
afternoon and i will wait today and see how it goes.

Thanks everyone for continuing to help me with this issue!

Sincerely,

Cameron Hissey

On Jan 23, 2008 9:32 AM, Paul Hales <pdhales at optusnet.com.au> wrote:

Hmmmmm...nothing untowards, but it's pretty complicated (due
to
complicated dialplan, me guesses)

I was hoping to spot a 'maximum retries' or similar error.

Paul Hales
AsteriskIT

On Tue, 2008-01-22 at 12:26 +1100, Cameron Hissey wrote:

Quote:

After changing all the networking and removing PoE, the

problem is

Quote:

still occuring. Have grabbed this log. is there any more

information

Quote:

you need?

Thanks,

Cameron Hissey

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