Forum Discussion
Has ping / tracert been blocked on 5g network?
Before yesterday (10/17/2022), I’ve always had a command prompt window (MS Windows) up running a constant ping at 3 second interval - so I can tell when the network starts to degrade or just stops responding (which has become very frequent in the last few months).
As of yesterday morning, both ping and tracert commands consistently fail. As in no longer any response. So it appears the ports used for those commands are now being blocked on the 5g network?
I have a 5g phone on Tmobile, and I see the same result. On 5g with hotspot turned on, with computer connected, ping and tracert fail 100%. If I force the phone to use LTE and stay off 5g, ping and tracert start working again. Don't really understand why Tmobile would block such a basic network analysis command.
This is in downtown Scottsdale AZ. As a sidenote, service on the 5g network degrades consistently every day after about 8am, and usually is consistently bad all weekend long. Works great before 8am most days.
- iTinkeralotBandwidth Buff
I had to reboot my gateway then it worked again. I tested before and after. It may take a bit before it is resolved all over. I hope they intend to fix it back all over.
- internetfoolNetwork Novice
Freshly rebooted Nokia here in Phoenix, AZ. ICMP still dropping. This is making it tough to work from home and will need to switch internet service soon if not resolved.
--- google.com ping statistics ---
369 packets transmitted, 19 packets received, 94.9% packet loss
round-trip min/avg/max/stddev = 53.732/146.891/223.265/45.335 ms
- iTinkeralotBandwidth Buff
Hopefully it is just a matter of time and not too much longer.
- iTinkeralotBandwidth Buff
Same over here in E TN. We had a week or so of the blocking/excessive throttling?
It appears to have been resolved a couple of days ago over here. I had to reboot my gateway to get it to work but that was a minor convenience. The loss was around 80-85% sometimes more. Frustrating.
Results just before the post:
--- google.com ping statistics ---
12 packets transmitted, 12 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 41.095/44.877/60.362/4.879 ms
So, hopefully the resolution for the problem will be deployed across all the affected regions.
- jimibakRoaming Rookie
Happy to report that ping loss is now down to 0% in OC NY. Haven't tested extensively yet; not sure if firmware was updated.
Not sure what they did, but let's try to avoid it in future, hmm?
- AdmiralSchittNetwork Novice
In West TN. ICMP still not working.
- iTinkeralotBandwidth Buff
Here I can see via whatismyipaddress.com that it places me at coordinates in Nashville. I can still run pings and trace routing so it is working here still. Check and see where your IP actually presents in the map when using whatismyipaddress.com. Maybe where the external IP address is makes a difference. If you have not rebooted the gateway OR depending upon the gateway, it might have a pending firmware update and has not taken it so that might be part of the equation. It is hard to say. I am not saying the specific IP address as I have seen it change 4-5 times since I started watching it but the location where the map they have may have something to do with the routing operations or the CGNAT network environment.
- ShanStewartTransmission Trainee
Looks like T-Mobile is now allowing ping protocol in the Phoenix area again.
- ShanStewartTransmission Trainee
drP wrote:
If this was a conscious business decision by T-Mobile, shame on you. Have you updated your terms of service to list the blocking of common network monitoring and management protocols as a feature of your service?
If it is an error - identify the root cause, fix it, and apologize.
Yours Truly,
A formerly happy, now very pissed off customer in North-Central Ohio…
Yeah that was my thought as well. This couldn't have been intentional, what ISP is going to block a foundational protocol. Ping is layer 3, it comes before transport, so TCP and UDP, but getting their support to even understand the issue was impossible. I am guessing they eventually discovered the mistake on accident probably because a tech tried to use ping.
To others on this thread is ping working in your area?
- fireguy_6364Modem Master
iTinkeralot wrote:
I sometimes question some of the things they have decided to do but it is out of my control. I just focus on what I have control of. I had almost no options here and this provides a good balance between cost and functionality. I don't have the needs I once had and my only other option with more functionality was Starlink and that is just more than I need to shell out. This solution is still 10X better than the DSL solution we had with our prior ISP in CA. That was a reboot the router at least once or twice a week. If it was wonky just reboot the router. Actually since the stood up the n41 cell over this location the bandwidth is more like 10-14X the speeds we had on DSL. Life in a rural area just has a few compromises for some things. In many other ways it is a big win.
Comcast or other? where at in Ca?
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