any issue with Centurylink yesterday

Ken Matlock matlockken at gmail.com
Fri Mar 17 16:35:33 UTC 2017


Yeah, it sounds like it. ICMP echo/echo reply was working end-to-end, but
it's possible they were blocking the Type 4 messages somewhere (I didn't
resort to packet captures to get THAT in-depth).

Ken

On Fri, Mar 17, 2017 at 10:15 AM, William Herrin <bill at herrin.us> wrote:

> On Fri, Mar 17, 2017 at 11:39 AM, Ken Matlock <matlockken at gmail.com>
> wrote:
>
>> I know most of the day yesterday my Centurylink DSL (Denver, CO) I was
>> having.... odd... issues, but only to some sites, and intermittent. I'd
>> have issues getting content from a URL (but pinging the host would be
>> fine,
>> and manual telnet to TCP/443 would work).
>
>
> Hi Ken,
>
> When I hear those symptoms my brain jumps to path MTU discovery.
>
> Regards,
> Bill Herrin
>
>
>
> --
> William Herrin ................ herrin at dirtside.com  bill at herrin.us
> Dirtside Systems ......... Web: <http://www.dirtside.com/>
>



More information about the NANOG mailing list