Unstable connection with YOTA 4G USB modem.

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What steps will reproduce the problem?
1. Connect YOTA 4G USB modem to Router Asus RT-N16.
2. Set required settings.
3. Connect to router via wifi.
4. Open sites, like: 
   https://www.google.ru/maps/preview
   http://market.yandex.ru/guru.xml?CMD=-RR=9,0,0,0-PF=1801946~EQ~sel~1870091-VIS=8070-CAT_ID=1016608-EXC=1-PG=10&hid=138608
5. Try to use ammyy admin for 5 minutes with active screen refresh.
   http://www.ammyy.com/en/index.html

What is the expected output? What do you see instead?
Some pages not load - with browser message "timeout exceeded".
Some pages load partially. Especially if used ajax.
Ammy admin loses connection.

What version of the product are you using?
1.9.2.7-rtn-r5066

All problems was tested with other internet connection in same time.
Also with direct connection through YOTA 4G USB.

Original issue reported on code.google.com by bit.ls.d...@gmail.com on 13 Jun 2013 at 12:46

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Also, Kaspersky Crystal can't be updated with this firmware.

Original comment by bit.ls.d...@gmail.com on 13 Jun 2013 at 1:32

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Try to change MTU value at "USB Network Devices - Ethernet over USB" page.

Original comment by rssdev10@gmail.com on 15 Jun 2013 at 8:42

• Added labels: Type-Support
• Removed labels: Type-Defect

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Tried to set 1350 and 1300.
Some problems solved - like kaspersky update.
But as before, some internet pages did't open (f.e. http://kinopoisk.ru/)
Or takes too much time or open after numerous attempts..

Original comment by bit.ls.d...@gmail.com on 18 Jun 2013 at 6:06

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The same problem

Original comment by oplet...@gmail.com on 24 Jun 2013 at 5:16

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Same problem. I drilled down to this.

When connected with the router, which is connected via Yota USB stick 
("Ethernet over USB" mode), the following URL fails: 
https://ihelper.mts.ru/SELFCARE/static/customization/default_selfcare/styles.css
Tried different browsers (Chrome, Safari), different connection to the router 
(wifi, wired), different MTU value from comment #2 (1350 - 800).

The problem is 100% persistent, have been watching it for 3 days.

When Yota stick is connected directly, or even with "Internet sharing" from 
another computer (no router involved), the URL mentioned is loaded fine. It is 
only 5 line text file, its original content attached.

Original comment by glotov@chromium.org on 26 Jun 2013 at 6:51

Attachments:

• styles.css

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The file from comment above is 125 bytes and is on HTTPS, this might be the 
clue.
I tried to `wget` it and the request timed out. While similar URLs (e.g. 
https://ihelper.mts.ru/SELFCARE/static/customization/default_selfcare/layout.css
) work fine.

Original comment by glotov@chromium.org on 26 Jun 2013 at 7:16

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provide full syslog output and diagostic page content

Original comment by themiron.ru on 1 Jul 2013 at 8:19

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I checked latest nightly bild firmware from Vampik. It work without such issue. 
You can take this here: http://vampik.ru/wl500g/rtn/5212/RT-N16-3.0.6.5212.trx

Original comment by 1...@79o.ru on 20 Sep 2013 at 8:07

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have no idea about tat FW, check out recent onw from http://asus.vectormm.net/

Original comment by themiron.ru on 14 Oct 2013 at 8:09