Bad connection

[richlowe32]

Hi,

For a couple of weeks now I've been intermittantly suffering periods of up to 20-30 seconds where the internet seems to "go away" on my 2Mb cable connection.

I mostly use my connection for online gaming so this has a big impact on my use of the internet.

I called NTL broadband support last week, to be told my modem is operating fine, as the Rdy and sync LEDs stay on solid while this is happening. It's something my end.

I've been running traceroute software to try and figure out where the problem lies, and what I see is big ping spikes associated with a private range IP, 10.66.96.1. which is the first hop from my router. The response from this IP has been as high as 4000ms as well as not responding. The interesting thing is I am also running teamspeak, and I can hear people talking and asking me if my connections alright for 5-10 seconds after things start to go awol in the game, though they cannot hear me. So I figure this is something to do with my upstream connection.

I checked the error log on the modem , the last entry 20:37 coincides with when the drops of service were happening. Does this look like a fault with the modem or with the connection upstream?

I'd like a second opinion before I phone to get someone out to have a look at it.

First Time Last Time Counts Level ID Text
Sun Jan 29 20:37:14 2006 Sun Jan 29 20:37:14 2006 7 Critical(3) 82000500 Started Unicast Maintenance Ranging - No Response received - ...
Sat Jan 28 17:05:53 2006 Sat Jan 28 17:05:53 2006 1 Warning(5) 68010300 DHCP RENEW WARNING - Field invalid in response
Sat Jan 28 09:42:12 2006 Sat Jan 28 09:42:12 2006 19 Critical(3) 82000500 Started Unicast Maintenance Ranging - No Response received - ...
Time Not Established Time Not Established 1 Error(4) 68000403 ToD request sent- No Response received
Time Not Established Time Not Established 1 Critical(3) 68000300 DHCP WARNING - Non-critical field invalid in response.
Time Not Established Time Not Established 3 Critical(3) 68000100 DHCP FAILED - Discover sent, no offer received
Time Not Established Time Not Established 2 Critical(3) 68000300 DHCP WARNING - Non-critical field invalid in response.
Wed Jan 18 01:05:24 2006 Wed Jan 18 01:05:24 2006 1 Critical(3) 82000200 No Ranging Response received - T3 time-out
Wed Jan 18 00:38:37 2006 Wed Jan 18 00:38:37 2006 1 Critical(3) 82000400 Received Response to Broadcast Maintenance Request, But no Un...
Tue Jan 17 23:23:03 2006 Tue Jan 17 23:23:03 2006 14 Critical(3) 82000500 Started Unicast Maintenance Ranging - No Response received - ...


... Older entries deleted ...

[Hom3r]

It could be just a random fault.

How are you connected to the modem?

[richlowe32]

I have the modem connected by ethernet to a PC I run a software firewall and router package on.

I've just had to type this in again because my connection went!

Just did a tracert, and the first few hops hop look like this :

1 <1 ms <1 ms <1 ms 192.168.0.1
2 303 ms 53 ms 76 ms 10.66.96.1
3 12 ms 13 ms 39 ms cosh-t2cam1-b-ge93.inet.ntl.com [80.3.162.133]
4 114 ms 294 ms 12 ms cosh-t2core-b-ge-wan61.inet.ntl.com [80.3.161.13
]


300ms + on that first hop doesn't look normal to me. SO even though I have connectivity at the moment, latency is still an issue.

[nerionx]

this sounds exactly like my problem

[Hom3r]

Are you using a proxy?

if so try a different one.

If you are not using one try using one.
http://homepage.ntlworld.com/robin.d...cache.html#ntl

[nerionx]

Originally Posted by david.ewles

Are you using a proxy?

if so try a different one.

If you are not using one try using one.
http://homepage.ntlworld.com/robin.d...cache.html#ntl

Works same as usual, my internet goes down it also cannot connect to the proxies I select

[richlowe32]

As the issue takes my connection out completely (not just surfing problems) not sure how this will help.

The proxy server certainly doesn't figure in any of the tracert I've run.

[mike24]

your problem might be the router have you tried 'winipcfg' , in the run option?

[elstcb]

Just to let the OP know that he's not alone in having these dropout problems, I've been having the same for quite a while now and am also on 2mb. Have got an engineer coming out tomorrow.

[sparbag]

Hello,
I am also on the 2 Mbit connection and the first techy said no faults two weeks later second teechy (female this time) noted the fault was with my Terayon MODEM and it was replaced two days later.
The symptoms were the Internet connection cutting out completely for 20 to 30 seconds then kicking back in again. Causing havoc for the VPN into work.

As for the 10.xx.xx.xx IP address I believe that is Skypes IP proxy address.

Steve

[jtwn]

Its your uBR's address, 10. addresses are private addresses. Consistent high pings at your ubr could signal congestion at the router.

[d0h]

Exactly the same problem here in Leicestershire area on 2mb. Online gaming is impossible....

[richlowe32]

Thanks for the responses!

I used my connection in the early afternoon (RE not prime time), and things were alot better. From this limited test, it's probably congestion.

I guess I'll just ring up and complain. If it doesn't get any better time to consider ADSL.

[Ignition]

Upstream congestion on the uBR. Madly inconsistent pings but no evidence of packet loss.

Please guys much as though offering advice is good make sure that it's accurate advice first.

As for the 10.xx.xx.xx IP address I believe that is Skypes IP proxy address.

Skype has no IP proxy address whatever that is it's just packets over your connection same as pretty much everything else.

Are you using a proxy?

if so try a different one.

If you are not using one try using one.
http://homepage.ntlworld.com/robin.d...cache.html#ntl

Proxies don't cause bad pings or issues with Teamspeak or other VoIP. They only affect traffic on port 80.

[jtwn]

Originally Posted by Ignition

Upstream congestion on the uBR. Madly inconsistent pings but no evidence of packet loss.

Please guys much as though offering advice is good make sure that it's accurate advice first.

Mmmmmmmmmmmmmmmmmeh.