[AusNOG] Strange ADSL problem - troubleshooting / diagnosis advice wanted

[Damien Gardner Jnr]

Bear in mind, it's not really IOS updates you want, it's adsl firmware
updates..  http://forums.whirlpool.net.au/archive/2036510 has a really good
list to choose from..  On my 877, I settled for 6.0.10 which had a good mix
of stability and speed (I now sync at 5mbps instead of 4 on standard 877
firmware, but not the 6 it was syncing on with a different version but very
unstable)

Cheers,

DG

On 12 September 2014 11:09, Beeson, Ayden <ABeeson at csu.edu.au> wrote:

> Hey everybody,
>
> For those of you that are interested, just a brief update.
>
> I have been in touch with both Exetel's tier 1/2 support (via my support
> ticket) and Exetel's residential support manager and have been collecting
> some information for them.
>
> I have not had many failures since the post, but I have had a few, last
> night I had a big one and managed to get a fair bit of troubleshooting done.
>
> Things I have found in addition to my previous post:
>
> Pings / traceroutes to international destinations (bbc.co.uk in this
> case) also suffer the problem, with the same 30ms increase, always exactly
> 30ms.
> ATM pings end to end work without any packet loss or ping increase.
> Segment based atm pings always fail, I suspect they are blocked on the
> remote equipment (DSLAM?).
> Reed-Solomon errors do not increase during the failure in any noteworthy
> way (1 or 2 every so often, no large increasing number or anything)
>
> I'm going to look into borrowing the test 1941 we have at work w/ the ADSL
> WIC and maybe try that out at home, but I suspect it'll be the same. I'm
> going to have a look for IOS updates to my 887 as well.
>
> I'll send another update when / if I have any more updates, hopefully
> it'll be sorted out soon. Thanks again to everybody who has offered advice,
> tips, config to check, or assorted similar scenarios etc., your advice has
> all been extremely positive as well as very helpful and interesting.
>
> Cheers,
> Ayden
>
> Charles Sturt University
>
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-- 

Damien Gardner Jnr
VK2TDG. Dip EE. GradIEAust
rendrag at rendrag.net -  http://www.rendrag.net/
--
We rode on the winds of the rising storm,
 We ran to the sounds of thunder.
We danced among the lightning bolts,
 and tore the world asunder
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