[RndTbl] weird mts latency issue?

[Hartmut W Sager]

> I don't think I've ever seen DSL behave that strangely...

Neither have I.  I suspect your problem is much closer to home than MTS
DSL.  So, what "innocent, funny things" have you done lately?  Like, the
kind of things that "obviously" can't cause this problem.  :)

Hartmut W Sager - Tel +1-204-339-8331


On 21 January 2017 at 19:09, Trevor Cordes <trevor at tecnopolis.ca> wrote:

> Just now on a box I manage I'm seeing weird ping times on a DSL (home)
> connection.  It's wreaking havoc with things.
>
> Has anyone seen a pattern like this before?
>
> on the dsl box out to another IP:
> : icmp_seq=1 ttl=56 time=3073 ms
> : icmp_seq=2 ttl=56 time=2112 ms
> : icmp_seq=3 ttl=56 time=1154 ms
> : icmp_seq=4 ttl=56 time=192 ms
> : icmp_seq=5 ttl=56 time=3578 ms
> : icmp_seq=6 ttl=56 time=2616 ms
> : icmp_seq=7 ttl=56 time=1658 ms
> : icmp_seq=8 ttl=56 time=694 ms
> : icmp_seq=9 ttl=56 time=4125 ms
> : icmp_seq=10 ttl=56 time=3170 ms
> : icmp_seq=11 ttl=56 time=2202 ms
> : icmp_seq=12 ttl=56 time=1240 ms
> : icmp_seq=13 ttl=56 time=289 ms
>
> It's bursty, the above is 3 bursts, where I start the ping, wait 3s and it
> spits out 4 replies together, then again... sometimes the time is up to
> 10kms.
>
> If I ping from my box to that box I get even more weirdness:
>
>  icmp_seq=1 ttl=57 time=60.8 ms
>  icmp_seq=2 ttl=57 time=60.0 ms
>  icmp_seq=3 ttl=57 time=61.4 ms
>  icmp_seq=4 ttl=57 time=70.4 ms
>  icmp_seq=1 ttl=57 time=3612 ms (DUP!)
>  icmp_seq=2 ttl=57 time=2649 ms (DUP!)
>  icmp_seq=3 ttl=57 time=1692 ms (DUP!)
>  icmp_seq=4 ttl=57 time=726 ms (DUP!)
>  icmp_seq=5 ttl=57 time=63.4 ms
>  icmp_seq=6 ttl=57 time=59.3 ms
>  icmp_seq=7 ttl=57 time=62.4 ms
>  icmp_seq=8 ttl=57 time=68.3 ms
>  icmp_seq=9 ttl=57 time=61.4 ms
>  icmp_seq=5 ttl=57 time=4366 ms (DUP!)
>  icmp_seq=6 ttl=57 time=3403 ms (DUP!)
>  icmp_seq=7 ttl=57 time=2443 ms (DUP!)
>  icmp_seq=8 ttl=57 time=1488 ms (DUP!)
>  icmp_seq=9 ttl=57 time=518 ms (DUP!)
>
> I don't think I've ever seen DSL behave that strangely...
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