Help interpret a strange traceroute?

Larry Sheldon larrysheldon at cox.net
Tue Nov 1 03:53:28 UTC 2016


On 10/31/2016 14:42, William Herrin wrote:
> On Mon, Oct 31, 2016 at 3:33 PM, Randy <amps at djlab.com> wrote:
>> Any idea how a traceroute (into my network) could end up this fubar'd?
>> Discovered this wierd routing while investigating horrendously slow speeds
>> (albeit no packet loss) to a particular ISP abroad.
>
> Hi Randy,
>
> This is per-packet load balancing. In the forward path the alternates
> are different lengths but the traceroute stops as soon as at least one
> of the paths reaches the destination.
>
> The return path is also engaged in per-packet load balancing but the
> paths are all the same length.

Seems like a lot of bandwidth trying to save bandwidth.  Or does that 
only happen to ICMP?

-- 
"Everybody is a genius.  But if you judge a fish by
its ability to climb a tree, it will live its whole
life believing that it is stupid."

--Albert Einstein

 From Larry's Cox account.



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