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Thread: VPN problems with Linksys WRT300N .. but WRT54GS works!

  1. #1
    Aloke Prasad
    Guest

    VPN problems with Linksys WRT300N .. but WRT54GS works!

    My trusty BEFSR41 failed after many years of service (it was unable to
    get IP address lease from the cable modem). I purchased a WRT300N,
    figuring that I might use the Wifi feature in the future, even though I
    don't have any wireless devices right now.

    So, I install the new router, change my password, disable the Wireless
    features, verify that the VPN passthrough are enabled. My 2 PC's
    (running XP Pro) in the LAN can access the internet just fine .. until I
    initiate VPN (Cisco client) on the PC I use for work. As soon as that
    VPN is established, I lose all connectivity on that PC. I cannot ping
    any devices at work or on the internet. I even disabled the firewall
    features on the router, but to no avail. All functionality was restored
    when I disconnected from the VPN.

    I returned that router and installed a WRT54GS. Everything, including
    VPN worked right off the bat (I changed the password and disabled
    wireless on this as well.). Again, VPN passthrough (all 3 protocols)
    was enabled (by default) in both routers.

    I can only conclude that there is some bug in the WRT300N firmware.

    The hardware and firmware versions of my devices were:

    WRT300N: ver 1.1 Firmware 1.51.2 dated 6/4/07
    WRT54GS: ver 7.0 Firmware 7.50.0 dated 3/20/07

    Any ideas, comments?

  2. #2
    Junior Member
    Join Date
    Jul 2007
    Location
    Indianapolis, IN
    Posts
    2
    Quote Originally Posted by Aloke Prasad View Post
    My trusty BEFSR41 failed after many years of service (it was unable to
    get IP address lease from the cable modem). I purchased a WRT300N,
    figuring that I might use the Wifi feature in the future, even though I
    don't have any wireless devices right now.

    So, I install the new router, change my password, disable the Wireless
    features, verify that the VPN passthrough are enabled. My 2 PC's
    (running XP Pro) in the LAN can access the internet just fine .. until I
    initiate VPN (Cisco client) on the PC I use for work. As soon as that
    VPN is established, I lose all connectivity on that PC. I cannot ping
    any devices at work or on the internet. I even disabled the firewall
    features on the router, but to no avail. All functionality was restored
    when I disconnected from the VPN.

    I returned that router and installed a WRT54GS. Everything, including
    VPN worked right off the bat (I changed the password and disabled
    wireless on this as well.). Again, VPN passthrough (all 3 protocols)
    was enabled (by default) in both routers.

    I can only conclude that there is some bug in the WRT300N firmware.

    The hardware and firmware versions of my devices were:

    WRT300N: ver 1.1 Firmware 1.51.2 dated 6/4/07
    WRT54GS: ver 7.0 Firmware 7.50.0 dated 3/20/07

    Any ideas, comments?
    I just removed a Linksys WRT54GS that was working with my Sonicwall software. I also used some Terminal Server software to access my office server. I replaced the router (Gateway setting) running on Comcast Cable, with the Linksys WRT300N, Version 1.0 and updated the firmware to Version 1.1. So far nothing I have done has allowed me to VPN to my office. I have spent at least 6 hours working with the Linksys Chat Line and I'm no closer to solving the problem than when I started. The last contact I had with them, they assured me that the problem is not the WRT300N, but if I connect direct to the modem it goes straight through. It also goes straight through with the WRT54GS. I think it is safe to say that there is a setting in the router that needs to be changed. I spent a good deal of time pouring over their web site before I contacted them and did not find any reference information that fit this problem. Most of the time that I was in contact with their India personel was spent just trying to get them to understand the problem.

    I am sorry I don't have an answer for the problem yet, but I'm like a bull dog with a bone, and I will get the answer. When I do I'll post it here so anyone else having this problem can see the solution.

  3. #3
    Junior Member
    Join Date
    Sep 2007
    Posts
    1

    Same problem here

    Quote Originally Posted by LWMillholland Sr View Post
    I just removed a Linksys WRT54GS that was working with my Sonicwall software. I also used some Terminal Server software to access my office server. I replaced the router (Gateway setting) running on Comcast Cable, with the Linksys WRT300N, Version 1.0 and updated the firmware to Version 1.1. So far nothing I have done has allowed me to VPN to my office. I have spent at least 6 hours working with the Linksys Chat Line and I'm no closer to solving the problem than when I started. The last contact I had with them, they assured me that the problem is not the WRT300N, but if I connect direct to the modem it goes straight through. It also goes straight through with the WRT54GS. I think it is safe to say that there is a setting in the router that needs to be changed. I spent a good deal of time pouring over their web site before I contacted them and did not find any reference information that fit this problem. Most of the time that I was in contact with their India personel was spent just trying to get them to understand the problem.

    I am sorry I don't have an answer for the problem yet, but I'm like a bull dog with a bone, and I will get the answer. When I do I'll post it here so anyone else having this problem can see the solution.
    I've been spent this morning a couple of hours trying to get my netscreen VPN connection working with this router. i can successfully authenticate on the VPN but I did not receive any traffic on the virtual interface.
    Have you actually fixed this problem with your WRT300N?

  4. #4

    Linksys WRT300N & Cisco VPN Client

    Fix for this (follow all the instructions!)


    - Upgrade firmware the Linksys WRT300n router to v 2.0.20 (some fixes for vpn: L2TP, IPSEC…)
    this is for all European versions of the router

    http://www-uk.linksys.com/servlet/Sa...=5842214507B03

    - Activate vpn passtrough for the 3 vpn protocols

    - In QOS configuration: disable "No Acknowledgment" feature!! Very important, this was the most important reason why it failed.

    - Explicitly open the network ports: 500, 4500 and 10000
    (used for IPSEC and NAT traversal.
    Do this under Port Range Triggering just give each entry a different name, and use the same value for each field, e.g:
    ipsec 500 500 500 500
    ipsec2 4500 4500 4500 4500
    ipsec3 10000 10000 10000 10000
    and make sure the Enabled box is checked.

    - Do NOT configure port forwarding of the above ports to a fixed IP (port forwarding is not the same as Port Range Triggering)

    - Firewall can stay enabled

    - Anonymous filter enabled

    - NAT enabled
    Last edited by KiwiCookie; 03-19-08 at 07:52 PM. Reason: Found fix

  5. #5
    Junior Member
    Join Date
    Oct 2008
    Posts
    1

    Fixed it!!

    Thank you KiwiCookie!! Finally solved the problem :-)

  6. #6
    This is exactly what i was looking for. thank you for the informative post and keep up the good work!

  7. #7
    Junior Member
    Join Date
    Nov 2010
    Posts
    2

    Linksys E3000 & SonicWALL VPN Client

    I am having troubles connecting to my VPN through my wireless router. The only way I can get it to connect is if I do a direct connection to my cable modem and completely bypass the wireless router. I have updated the newest firmware version for the E3000. I know the VPN will work because I have connected to other wireless networks without any problems.
    Does anyone have any suggestions?

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