Re: Using Wireshark for a DSL "link no surf" problem

[Pedro Tumusok <pedro.tumusok () gmail com>]

Usually the CPE gives you some data about the physical link that can be
used to figure out what the issue is.
Are you sure there is L2 connectivity?

Pedro


On Tue, Jun 17, 2014 at 11:53 PM, Kok-Yong Tan <ktan () realityartisans com>
wrote:

> > On Jun 17, 2014, at 14:28, Jaap Keuter <jaap.keuter () xs4all nl> wrote:
> >
> > > On 06/17/2014 08:42 PM, Kok-Yong Tan wrote:
> > > Is it possible to use Wireshark to troubleshoot a DSL "link no surf"
> problem?  The ISP insists it's a CPE issue but the problem only started
> after their Tier 1 tech monkeyed with the DSLAM and/or the CPE (remotely)
> in some manner.  I find it suspicious that the problem was intermittent
> packet loss until they tinkered, whereupon the problem became a "link no
> surf" issue (i.e., there's Layer 2 connectivity but zero Layer 3 traffic
> passing).
> > Depends on what you can trace in the CPE, as in, how close to the DSL
> interface.
> > Otherwise you'll need capture hardware on the DSL....
> >
> > Good luck,
> > Jaap
>
> I can get up to the DSL modem itself.  In hindsight, I'm thinking this
> isn't going to be of much use and the only way to debug this is with
> capture hardware on the DSL side as you suggested.  Drat.
> --
> Sent from my iPad2 with greater chance of typographical, grammatical and
> other disasters.  Your indulgence is even more humbly requested.
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-- 
Best regards / Mvh
Jan Pedro Tumusok

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