OT: Non-ADSL(?) connection problems...

[Stuart Whelan]

Hi Folks,

I am posting here in desperation, as I am not sure where else to turn.

I am getting nowhere fast with xtra's service desk team.

I have a really strange problem:

Up to 15 times a day I am unable to access anything beyond the first hop in
xtra's network.

It effects multiple PC's.

I first noticed this when my vpn connections started dropping out and my ssh
sessions started dying. It started about 2 months ago, I have been on this
site using this equipment for about 12 months before the problems started.

My network configuration is thus (via a traceroute to smtp.xtra.co.nz):

PC(s) -> ADSL Router (192.168.1.1) -> 222.155.0.1 -> 222.153.221.79 ->
.......

Now what happens is up to 15 times a day (the worst, usually its 2 or 3
times a day) for 30-60 seconds I am unable to ping 222.153.221.79.

I AM able to ping 222.155.0.1, but I cant get to anything beyond it.

The ADSL line is not dropping (according to Xtra and my modem, and if it was
dropping I wouldn't be able to ping 222.155.0.1).

I have set up three scripts on the main PC (it happens to all the PC's).
The first two scripts ping 222.155.0.1. and 222.153.221.79 every 10 seconds
and log any outages (And email me when the connection returns).
The third script does a traceroute to smtp.xtra.co.nz every 30 seconds and
logs the output.

I have the extact dates, timesand durations of the outages. I have ping
logs. I have traceroute logs.

Xtra are saying they can not (will not) do anything. They are saying as far
as they are concerned there are no outages taking place. But they are only
looking at the PPP/ADSL side of things between the exchange and my adsl
modem, so they would not see anything.

Does anyone have any ideas on anything I can try?

I am completely out of ideas.

Kind Regards,
Stuart Whelan
Technical Director
Pacific Simulators International Ltd

DDI: [phone] x700
Mobile: [phone]

Recursion: See Recursion.


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[Philip D'Ath]

We have a number of clients in the Wellington area that have been
experiencing short duration connectivity issues. We see it as a short
duration of packet loss. The DSL does not transition up or down.

It only appears to affect Xtra customers.

What area are you in?

-----Original Message-----
From: owner-***@unixathome.org [mailto:owner-***@unixathome.org] On
Behalf Of Stuart Whelan
Sent: Thursday, 24 August 2006 6:31 p.m.
To: ***@lists.unixathome.org
Subject: OT: Non-ADSL(?) connection problems...

Hi Folks,

I am posting here in desperation, as I am not sure where else to turn.

I am getting nowhere fast with xtra's service desk team.

I have a really strange problem:

Up to 15 times a day I am unable to access anything beyond the first hop
in
xtra's network.

It effects multiple PC's.

I first noticed this when my vpn connections started dropping out and my
ssh
sessions started dying. It started about 2 months ago, I have been on
this
site using this equipment for about 12 months before the problems
started.

My network configuration is thus (via a traceroute to smtp.xtra.co.nz):

PC(s) -> ADSL Router (192.168.1.1) -> 222.155.0.1 -> 222.153.221.79 ->
.......

Now what happens is up to 15 times a day (the worst, usually its 2 or 3
times a day) for 30-60 seconds I am unable to ping 222.153.221.79.

I AM able to ping 222.155.0.1, but I cant get to anything beyond it.

The ADSL line is not dropping (according to Xtra and my modem, and if it
was
dropping I wouldn't be able to ping 222.155.0.1).

I have set up three scripts on the main PC (it happens to all the PC's).
The first two scripts ping 222.155.0.1. and 222.153.221.79 every 10
seconds
and log any outages (And email me when the connection returns).
The third script does a traceroute to smtp.xtra.co.nz every 30 seconds
and
logs the output.

I have the extact dates, timesand durations of the outages. I have ping
logs. I have traceroute logs.

Xtra are saying they can not (will not) do anything. They are saying as
far
as they are concerned there are no outages taking place. But they are
only
looking at the PPP/ADSL side of things between the exchange and my adsl
modem, so they would not see anything.

Does anyone have any ideas on anything I can try?

I am completely out of ideas.

Kind Regards,
Stuart Whelan
Technical Director
Pacific Simulators International Ltd

DDI: [phone] x700
Mobile: [phone]

Recursion: See Recursion.


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see http://unixathome.org/adsl/ for archives, FAQ,
and various documents.
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with "unsubscribe adsl" in the body of the message


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[Stuart Whelan]

I am in Christchurch, North New Brighton area.

Very interesting to hear other people are seeing similar issues. I had a
reply off-list saying that someone else had seen identical symptoms that
were due to an IP address conflict, which has given me another line of
investigation.

Kind Regards,
Stuart Whelan
Technical Director
Pacific Simulators International Ltd

DDI: [phone] x700
Mobile: [phone]

Recursion: See Recursion.

-----Original Message-----
From: Philip D'Ath [mailto:***@ifm.net.nz]
Sent: Thursday, 24 August 2006 7:51 p.m.

We have a number of clients in the Wellington area that have been
experiencing short duration connectivity issues. We see it as a short
duration of packet loss. The DSL does not transition up or down.

It only appears to affect Xtra customers.

What area are you in?


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[Mark Foster]

For the record I am in Wellington, and have personally observed this
behavior once myself.

I sent an email through to Xtra's Complex tech team, to which I received
no response.

I'm not holding out much hope of getting an actual response, either. The
email is more than a week old now...

The 'its working well enough that I don't mind' arguement is rapidly
becoming overwhelmed by the 'lack of decent tech support coupled with
weird problems is pissing me off' arguement. An ISP change may be in my
future...

Good luck!

Mark.

Post by Stuart Whelan
I am in Christchurch, North New Brighton area.
Very interesting to hear other people are seeing similar issues. I had a
reply off-list saying that someone else had seen identical symptoms that
were due to an IP address conflict, which has given me another line of
investigation.
Kind Regards,
Stuart Whelan
Technical Director
Pacific Simulators International Ltd
DDI: [phone] x700
Mobile: [phone]
Recursion: See Recursion.
-----Original Message-----
Sent: Thursday, 24 August 2006 7:51 p.m.
We have a number of clients in the Wellington area that have been
experiencing short duration connectivity issues. We see it as a short
duration of packet loss. The DSL does not transition up or down.
It only appears to affect Xtra customers.
What area are you in?
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see http://unixathome.org/adsl/ for archives, FAQ,
and various documents.
with "unsubscribe adsl" in the body of the message

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[Mark Cranness]

----- Original Message -----

Post by Stuart Whelan
Up to 15 times a day I am unable to access anything beyond the first hop
in xtra's network.
I have set up three scripts on the main PC (it happens to all the PC's).
The first two scripts ping 222.155.0.1. and 222.153.221.79 every 10
seconds and log any outages (And email me when the connection returns).
The third script does a traceroute to smtp.xtra.co.nz every 30 seconds and
logs the output.
I have the extact dates, timesand durations of the outages. I have ping
logs. I have traceroute logs.

Can you see a 5 minute cycle anywhere in the data?

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[Stuart Whelan]

Post by Mark Cranness
Can you see a 5 minute cycle anywhere in the data?

No, there the only pattern that appears is an outage that seems to happen
around 0330 each morning.


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[Mark Foster]

Post by Stuart Whelan

Post by Mark Cranness
Can you see a 5 minute cycle anywhere in the data?

No, there the only pattern that appears is an outage that seems to happen
around 0330 each morning.

I regularly observe service issues in the wee hours of the morning. One
presumes this is when Telecom schedule maintenance, etc - a sad fact of
life that, too. One assumes that Telecom assume none of us want things to
'work' overnight..

/grump

Mark.


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[Brian Gibbons]

Post by Stuart Whelan
Up to 15 times a day I am unable to access anything beyond the first hop in
xtra's network.
PC(s) -> ADSL Router (192.168.1.1) -> 222.155.0.1 -> 222.153.221.79 ->
Now what happens is up to 15 times a day (the worst, usually its 2 or 3
times a day) for 30-60 seconds I am unable to ping 222.153.221.79.
I AM able to ping 222.155.0.1, but I cant get to anything beyond it.

Do you have a static IP or Dynamic IP?

Is this connection in ChCh?

I would suggest you add a script to also ping 222.153.221.78, let us know of
the results.

Cheers

BG


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[Stuart Whelan]

Post by Brian Gibbons
Do you have a static IP or Dynamic IP?

I had a dynamic IP until today, I just got switched to a static IP.

Post by Brian Gibbons
Is this connection in ChCh?

Yes, In North New Brighton area.

Post by Brian Gibbons
I would suggest you add a script to also ping 222.153.221.78,
let us know of the results.

I have added this to the script, and wilco.


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