[outages] comcast/sprint oddities

[Constantine A. Murenin]

On 13/03/2013, Jay Ashworth <jra at baylink.com> wrote:
> ----- Original Message -----
>> From: "Jeremy Chadwick" <jdc at koitsu.org>
>
>> I would recommend setting up scripts/tools that run mtr from a cronjob
>> and save the output to a file, and do this on hosts at both ends of
>> the network (the Comcast end, and the Sprint end).
>
> And the recommended approach is:
>
> # mtr -rwc 10 $HOST
> # mtr -rwcn 10 $HOST
>
> (Alas, mtr won't show both the name and IP, even in report modes; I will
> eventually get sick enough of that to patch it.  Yes, local misconfigs
> that cause bad DNS resolution need to be visible in such report output.)
>
> Note that mtr needs to be both setUID root *and* executable by Other
> in order to work for others than root, assuming you need that.  Neither
> is default.

you must have a weird OS; on mine, it's the default:

-r-sr-xr-x  1 root  bin  63016 Jul 31  2012 /usr/local/sbin/mtr

Also, any patches to make `--order "SRL BGAWV"` the default when in
`--report` mode?  Otherwise, the output is pretty much unreadable.

C.