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Linksys e2000: 5 GHz supported on Wireless Ethernet Bridge Mode?

Discussion in 'Tomato Firmware' started by kevin_n, Dec 6, 2011.

  1. kevin_n

    kevin_n Networkin' Nut Member

    1. Linksys e2000 flashed with tomato-E2000-NVRAM60K-1.28.0492MIPSR2-Toastman-RT- N-Std.bin.
    2. Linksys e3000 flashed with tomato-E3000USB-NVRAM60K-1.28.0492MIPSR2-Toastman- RT-N-Ext.bin

    Linksys e3000 is the main router. Wireless mode configured as AP
    Linksys e2000 configured as Wireless Ethernet Bridge connected to e3000. 5 GHz does not work, only 2.4 GHz works.

    Does 5 GHz support Wireless Ethernet Bridge on e2000 or e3000?

    Thanks!
    -kevin
     
  2. Toastman

    Toastman Super Moderator Staff Member Member

    May I suggest that you try the RT version? The RT-N driver is for the E4200 and is somewhat experimental.
     
  3. kevin_n

    kevin_n Networkin' Nut Member

    Toastman, thanks for responding to my query.

    As per your advice, I flashed RT version for both Linksys e3000 and e2000
    e3000: Tomato Firmware v1.28.7492 MIPSR2-Toastman-RT K26 USB Ext
    e2000: Tomato Firmware v1.28.7492 MIPSR2-Toastman-RT K26 Std

    I ran the following tests:
    e3000 as AP
    Dual band 2.4 GHz and/or 5 GHz: Client can connect and connections were stable - no issue

    e2000 as AP
    5 GHz: Client can connect, however, connection was dropped. Interference Level reported as "severe"

    e2000 as wireless ethernet bridge connected to e3000 AP
    2.4 GHz: Connected and connections were stable - no issue
    5 GHz: Unable to connect

    It appears there are issues with 5 GHz radio band on e2000.
     
  4. kevin_n

    kevin_n Networkin' Nut Member

    Updated:
    Tried shibby Mod on e2000
    Tomato Firmware 1.28.0905 MIPSR2-079V K26 VPN
    Observed the same issue 5 GHz issue.
     
  5. Liudvikas Mikalauskas

    Liudvikas Mikalauskas Networkin' Nut Member

    Hi, I have linksys wrt320n for quite some time now (more than 6 months) connected as wireless ethernet bridge through 5ghz band. I did not have any issues with any of toastman builds (currently using v1.28.7492 MIPSR2-Toastman-RT K26 Std). In fact I manage to stream full hd content with no stutter through this router.
    As I googled E2000 is rebranded wrt320n (same chip, can be converted to e2000 using cfe). So 5ghz band should work on e2000.
    Maybe there are issues with settings or a faulty router.
     
  6. kevin_n

    kevin_n Networkin' Nut Member

    Appreciate your feedback.
    I have a question for you. On the AP (where your wrt320n connected to), what setting of 5ghz Channel, i.e., you set as "Auto" or a specific radio spectrum?
     
  7. Liudvikas Mikalauskas

    Liudvikas Mikalauskas Networkin' Nut Member

    Well I made a lot of tests. My main router currently is E4200, I tested all bands (and all actually work but with different channel quality) and best in my environment is 36 channel band. I Also have to mention that I did not achieve better results with wide 40mhz channel, therefore I left it on 20mhz and it proves to be of a better quality. But this all can be associated to the fact that E4200 uses rt-n driver.
    My other suggestions for you:
    • Choose country (for both routers) singapore or usa - this way you get all channels to test.
    • Security wpa2 personal with aes (or none, keeping in mind the risks).
    • Use only fixed channel (not auto).
    • Wireless N only mode.
    • Remember to check cpu clock setting on both routers because if left "default" after first restart they will run on only 133 mhz.
    • Check the transmit power of both routers - in my case AP (E4200) router has setting of 10 mW and client router (wrt320n) has only 1 mW. I have the same results of signal quality and strength that I had with 42 mW on both but wrt320n does not show severe interference at all. Severe interference might also be related to channel, so at first I would check a different channel.
    • My client router is in another room so these settings may not necesserally be good for longer distances.
    • Another thing I noticed with signal strength and quality - even 20cm distance or different angle of the client/AP router (because of antenna placement) may result in dramatic increase of signal quality.
    I hope you'll find these suggestions useful.
     
  8. kevin_n

    kevin_n Networkin' Nut Member

    Indeed they are. Thanks again for all the pointers.
     
  9. kevin_n

    kevin_n Networkin' Nut Member

    I did more tests on 5ghz - Channel Width 20 MHz - Security Disabled

    1. e2000 configured as AP

    1.1 Linksys e2000 stock firmware version 1.0.04 (build 07)
    1.1.1 Wireless Network Mode A-Only. Connected at 54 Mbps
    1.1.2 Wireless Network Mode N-Only. Connected at 144 Mbps

    1.2 Tomato Firmware v1.28.7492 MIPSR2-Toastman-RT K26 Std
    1.2.1 Wireless Network Mode A-Only. Connected at 54 Mbps
    1.2.2 Wireless Network Mode N-Only. Connected at 144 Mbps

    2. e2000 configured as Wireless Client Bridge

    2.1 dd-wrt.v24-17084_NEWD-2_K2.6_mini-e2000
    2.1.1 Wireless Network Mode A-Only. NO Connected (wireless light kept blinking)
    2.1.2 Wireless Network Mode N-Only. NO Connected (wireless light kept blinking)

    2.2 Tomato Firmware v1.28.7492 MIPSR2-Toastman-RT K26 Std
    2.2.1 Wireless Network Mode A-Only. NO Connected (wireless light kept blinking)
    2.2.2 Wireless Network Mode N-Only. NO Connected (wireless light kept blinking)

    Based on the test results above, I would rule out hardware faulty since it AP configuration worked on 5ghz band.
    Although E2000 is rebranded wrt320n, however, I would guess there would be different "device ID" to differentiate between wrt320n and E2000. Perhaps the e2000 "device ID" forgot to be included in the supported configuration Wireless Client Bridge on 5 ghz :)

    Oh well, I guess I could live with 2.4 ghz at link speed ~108 Mbps. 5 ghz is a wish since it has more channel selections than 2.4 ghz and less interfering.
     
  10. Liudvikas Mikalauskas

    Liudvikas Mikalauskas Networkin' Nut Member

    Sad to hear that but I've seen posts in dd-wrt forums that people get their e2000 to work on 5ghz band as wireless ethernet bridge (connecting even to stock firmware routers) and working flawlessly. So it should also work for tomato.
    If I were You I would investigate this further on. :) But its Your choice. You could also try the WDS mode (with tomato on both routers) on 5ghz, maybe that'll work.
    This observation keeps me thinking this might be hardware related. :)
     
  11. kevin_n

    kevin_n Networkin' Nut Member

    It's interesting. I will dig in and find out which DD-WRT build worked on e2000 5ghz band as wireless ethernet bridge. Thanks!

    WDS? No, thank you :)
     

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