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Any workaround for the incredibly high pings with UML295?

 
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burningrave101
EVDO User


Joined: 11 Sep 2008
Posts: 55
Location: Missouri

PostPosted: Sat Dec 21, 2013 1:45 pm    Post subject: Any workaround for the incredibly high pings with UML295? Reply with quote

I just switched to the newer Pantech UML295 with Verizon a couple of days ago after having used the UML290 this past year on a MBR1400v2 running the latest 5.0.0 firmware and the UML295 offers a noticeable improvement in bandwidth but the ping times are terrible compared to the UML290.

If I only run a single ping test at Speedtest.net the latency looks the same as I was getting with the UML290 but if I go and run a repeating ping test, say 50 or 100 pings to a server like Google DNS 8.8.8.8 or OpenDNS 208.67.222.222 I'm getting pings that average no less than twice the 50-70ms I was getting with the UML290 as well as numerous pings spiking as high as 300-450ms.

I spoke with 3GStore and tech support knew what I was talking about from their own testing and said that it was due to how the UML295 basically does it's own internal routing so that it doesn't need to have installed software or drivers on the computer to work and this causes the added latency.

But ping times that spike as high as 300-450ms is nearing satellite territory which is just ridiculous for 4G LTE which is suppose to offer lower latency than 3G and it makes it a terrible device for anything that requires decent latency like VoIP or online gaming.

Does anyone at Cradlepoint know if you guys can come up with a workaround on the MBR1400 to bypass what the UML295 is doing internally that's causing the high latency? Or is there just no way around the way the UML295 works?
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dmc271
EVDO Heavy User


Joined: 31 Jan 2011
Posts: 115
Location: Oklahoma, USA

PostPosted: Sun Jan 19, 2014 9:40 pm    Post subject: Reply with quote

I just had a chance to test-out the UML295 today, and I didn't notice high pings. A couple of speed tests showed in the normal 60-100 ms range for me. This was plugged directly into the computer. Perhaps I just haven't yet used it enough.

Are the pings high only on occasion?
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burningrave101
EVDO User


Joined: 11 Sep 2008
Posts: 55
Location: Missouri

PostPosted: Wed Jan 22, 2014 7:39 pm    Post subject: Reply with quote

dmc271 wrote:
I just had a chance to test-out the UML295 today, and I didn't notice high pings. A couple of speed tests showed in the normal 60-100 ms range for me. This was plugged directly into the computer. Perhaps I just haven't yet used it enough.

Are the pings high only on occasion?


I get normal pings as well when running a speed test at like Speedtest.net. You'll need to run an actual ping test via the command line for like 20 or more pings to see what I'm talking about. I set it to ping Google.com or 8.8.8.8.
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evdoman
EVDO Heavy User


Joined: 26 Apr 2005
Posts: 139

PostPosted: Sun Apr 06, 2014 9:30 pm    Post subject: Re: Any workaround for the incredibly high pings with UML295 Reply with quote

burningrave101 wrote:
I just switched to the newer Pantech UML295 with Verizon a couple of days ago after having used the UML290 this past year on a MBR1400v2 running the latest 5.0.0 firmware and the UML295 offers a noticeable improvement in bandwidth but the ping times are terrible compared to the UML290.


I'm looking to make the exact same switch as you... UML290 on MBR1400 up to UML295. Aside from the ping issue you described (which others seem to have suggested actually isn't an issue), I'm extremely curious how you feel the stability and other performance stacks up versus your old setup. My UML290 seems to go dead about once every day or two for short periods, requiring a power-cycle to get it back up to par (most of the time). Your input, or anyone else's, would be appreciated. I want to know if it's worth the upgrade.
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emTether
EVDO Fledgling


Joined: 27 Dec 2007
Posts: 22

PostPosted: Sat Aug 02, 2014 10:41 am    Post subject: Reply with quote

My experience with a UML290 / MBR95 combo is exactly the same as EVDOman's: once per day or so, it requires a reboot. Mine is hooked up to an external amplifier and antenna, which improved performance but didn't affect the daily reboot requirement.

My setup is still a huge improvement over the MiFi hotspots I had tried before (several different models), but if the UML295 is an improvement, I'm sold.
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emTether
EVDO Fledgling


Joined: 27 Dec 2007
Posts: 22

PostPosted: Sat Aug 02, 2014 12:27 pm    Post subject: Reply with quote

Someone reported at howardforums that he was able to fix the ping issues by tweaking his MOFI router's firewall settings, but the joker failed to mention which settings, lol. I have a UML295 on the way for use with my Cradlepoint MBR95, so I'll look into the ping performance. Since I'm not into gaming I don't expect to notice the increased latency, but I definitely compare the ping measurements to my current UML290.

Let me know if would would like to see any specific tests.
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evdoman
EVDO Heavy User


Joined: 26 Apr 2005
Posts: 139

PostPosted: Sat Aug 02, 2014 1:16 pm    Post subject: Reply with quote

emTether wrote:
My experience with a UML290 / MBR95 combo is exactly the same as EVDOman's: once per day or so, it requires a reboot. Mine is hooked up to an external amplifier and antenna, which improved performance but didn't affect the daily reboot requirement.

My setup is still a huge improvement over the MiFi hotspots I had tried before (several different models), but if the UML295 is an improvement, I'm sold.


I apologize for not posting/updating sooner, but I ended up making two changes that improved things markedly. I'm not sure if one or both made the difference, as I made them at the same time. I sold my MBR1400v1 and my UML290 to a neighbor, then purchased an MBR1400v2 (same router, just minor upgrades from what I understand) and a UML295. That combo works much better and I never reboot. It still crawls on occasion, but I'd say I reboot once per two weeks now. I certainly wouldn't say with confidence that if you make the same changes it will work the same way, but if you are on the fence about the UML295, I'd say try that change first and see what happens. Good luck!
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burningrave101
EVDO User


Joined: 11 Sep 2008
Posts: 55
Location: Missouri

PostPosted: Sun Aug 10, 2014 12:51 pm    Post subject: Reply with quote

I just wanted to report that I ran into the same ping spike issues on the new Cradlepoint MC400 module as I did with the Pantech UML295 and I'm wondering if it's not due to an issue with the new frequency bands they both support.

On the MC400 the speeds are great but running a ping test to any server shows consistent ping fluctuation with spikes as high as around 350ms. I can switch back to my Cradlepoint MC200 module or the Pantech UML290 and the pings are all low and consistent with almost no fluctuation. I've tested the modems on both the Cradlepoint MBR1400v2 and the new Cradlepoint AER 2100 with a couple of different antenna setups.

I opened a ticket with Cradlepoint and submitted all my testing results and they said they were able to reproduce the issue once but after that couldn't get it to do it again so the issue may be more tower specific regarding the new frequency changes. As far as I can tell my tower doesn't support anything but the Band 13 700Mhz though and isn't equipped for AWS yet.
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