nanog mailing list archives

Re: T-Mobile USA network operations


From: Brent Jones <brent () brentrjones com>
Date: Sat, 11 Jun 2022 18:23:25 -0700

T-Mobile data services in general seem to have recently gone downhill in
the northwest.
Here in Portland, OR, I'm seeing it all backhauled to California randomly,
usually with high latency and high packet loss. Something tells me their
Tmobile/Sprint merger is not going well at all.


On Fri, Jun 10, 2022 at 8:11 PM Eric Kuhnke <eric.kuhnke () gmail com> wrote:

Your data roaming in the Pacific Northwest with the Bell/Telus network is
95% broken at present.

UDP works. QUIC works (such as to use Chrome on a mobile device to do
something with Google). Ordinary port 53 DNS resolution works.

TCP is entirely broken.

After a considerable amount of time, I have given up trying to get this
information across to a first-tier customer support representative, and
have not been successful in escalating it to somebody who actually knows
the difference between TCP and UDP.

Contact me off list if you need additional information.










-- 
Brent Jones
brent () brentrjones com

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