[AusNOG] Strange ADSL problem - troubleshooting / diagnosis advice wanted
Guy Ellis
guy at traverse.com.au
Fri Sep 12 14:17:55 EST 2014
There is an upside to this one (Don't know about Daniel's case).
Most of this discussion is of a technical nature and maybe helpful to
Operators generally.
Besides it's a heck of a lot better than the p_ss and moan session we
had earlier in the week about Conroy / Turnbull etc and related
conspiracy theories!
- G.
On 12/09/2014 1:45 PM, Noel Butler wrote:
>
> Another end user problem, wonder why no one here is a quick to state
> this as they are with Daniel...
>
> On 12/09/2014 12:10, Beeson, Ayden wrote:
>
>> Yep, I'm not planning to change it until I've run out of other ideas,
>> but it is in reserve J
>>
>> Thanks,
>>
>> Ayden Beeson//
>>
>> *From:*AusNOG [mailto:ausnog-bounces at lists.ausnog.net] *On Behalf Of
>> *Guy Ellis
>> *Sent:* Friday, 12 September 2014 11:34 AM
>> *To:* ausnog at lists.ausnog.net
>> *Subject:* Re: [AusNOG] Strange ADSL problem - troubleshooting /
>> diagnosis advice wanted
>>
>> Since your error counters are clean, and have stable line sync (I
>> think), changing the ADSL firmware might just confuse the matter?
>> I think your problem is at a higher layer - Wireshark is your friend ;-)
>>
>> - G.
>>
>> On 12/09/2014 11:25 AM, Beeson, Ayden wrote:
>>
>> Yep good point, it's been so long since I messed with it I always
>> forget to think about them being technically separate, Cisco
>> bundle them into the IOS release but I have used other versions
>> before to override the IOS version (on an 857 that I used to use)
>> as the "latest" IOS for that was so far behind it wasn't funny.
>>
>> Cheers for the link, I'll have a look J
>>
>> Thanks,
>>
>> Ayden Beeson//
>>
>> *From:*Damien Gardner Jnr [mailto:rendrag at rendrag.net]
>> *Sent:* Friday, 12 September 2014 11:19 AM
>> *To:* Beeson, Ayden
>> *Cc:* ausnog at lists.ausnog.net <mailto:ausnog at lists.ausnog.net>
>> *Subject:* Re: [AusNOG] Strange ADSL problem - troubleshooting /
>> diagnosis advice wanted
>>
>> 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
>> <mailto: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
>> <http://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
>>
>> | ALBURY-WODONGA | BATHURST | CANBERRA | DUBBO | GOULBURN |
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>>
>> --
>>
>> Damien Gardner Jnr
>> VK2TDG. Dip EE. GradIEAust
>> rendrag at rendrag.net <mailto: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
>>
>> Charles Sturt University <http://www.csu.edu.au/>
>>
>> | ALBURY-WODONGA | BATHURST | CANBERRA | DUBBO | GOULBURN | MELBOURNE | ONTARIO | ORANGE | PORT
>> MACQUARIE | SYDNEY | WAGGA WAGGA |
>>
>> ------------------------------------------------------------------------
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>> This email (and any attachment) is confidential and is intended
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>> action in reliance on it or disclose it to anyone. Any
>> confidentiality is not waived or lost by reason of mistaken
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>> Charles Sturt University in Australia <http://www.csu.edu.au> The
>> Grange Chancellery, Panorama Avenue, Bathurst NSW Australia 2795
>> (ABN: 83 878 708 551; CRICOS Provider Number: 00005F (National)).
>> TEQSA Provider Number: PV12018
>> Charles Sturt University in Ontario <http://www.charlessturt.ca/>
>> 860 Harrington Court, Burlington Ontario Canada L7N 3N4
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>> Consider the environment before printing this email.
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>> --
>> Guy Ellis
>> guy at traverse.com.au <mailto:guy at traverse.com.au>
>> www.traverse.com.au <http://www.traverse.com.au>
>> T: +61 3 9386 4435 M: +61 419 398 234
>>
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>
>
>
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--
Guy Ellis
guy at traverse.com.au
www.traverse.com.au
T: +61 3 9386 4435 M: +61 419 398 234
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