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WRV54G - WAP disconections

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by Razor, Jul 26, 2004.

  1. Razor

    Razor Network Guru Member

    Lots of problematic VPN connections in this forum - but I haven't got passed the hopeless wi-fi problems yet!

    Hardware rev0.2
    Firmware 2.25.2

    Client uses Netgear WG111 802.11g USB

    My clients just keep dropping the connection for no apparent reason - VERY frustrating. Have no problem when the WG111 talks to a WG302.

    Perhaps using a matching Linksys client may help? Any thoughts guys as Linksys can only come up with change the channel!


    Cheers
     
  2. Razor

    Razor Network Guru Member

    Things are looking up and perhaps I was a little harsh on the WRV54 the first time round, but I've managed to scrounge a 'Origin' Realtek RTL8180 which is a 11Mb PCMCIA card and the router/card combination is holding up strong.

    Good signal strength and not one disconnection - yet. Have only been using it for one evening but based on it previously dropping out every 5 seconds then this is a major success. Shame the adapter isn't mine, but ebuyer have them for £12

    I tested the WG111 in b mode only with exactly the same poor results so tomorrow I'll try another WG111 adapter just to check.

    Seems like there's a compatibility problem between Linksys and Netgear, but who knows who else. I hate this not knowing what's going to work with what. Normally I always try and choose the same manufacturer but this time it just wasn't possible!

    Next ofr the dreaded VPN!! Maybe that RMA is held a bay for a little longer....

    Cheers
     
  3. Razor

    Razor Network Guru Member

    Next update:

    Tested a different WG111, still drops regularly. But without WEP the link is much more stable.
     
  4. JonAlthoff

    JonAlthoff Network Guru Member

    WRV54G to WAP54G

    I could not get a WAP54G to work with the WRV54G. Someone suggested maybe the WRV54G does not support WDS.
     
  5. TazUk

    TazUk Network Guru Member

    Re: WRV54G to WAP54G

    It doesn't unfortunately :roll:

    No problems connecting via a laptop using a Buffalo CB-54G card and a Belkin wireless USB print server :D
     
  6. JonAlthoff

    JonAlthoff Network Guru Member

    For some reason I thought it was an Access Point connection to a WRV54G. My WPC54G and WPC54GS cards work fine with the WRV54G.
     
  7. Razor

    Razor Network Guru Member

    Hi Taz ;)

    Good to see you over here. I'm looking for a .g PCMCIA card to replace the loan one I'm currently using, so off to check out the buffalo range.

    Cheers

    Edit

    Had a good look at your Buffalo card, seems a reasonable price from eBuyer. Out of interest will it stream mp3s (using WinAmp) without dropping? I've played with the buffer settings and it's ok with my Realtek but still occassionally drops a which is rather annoying!

    Cheers
     
  8. Razor

    Razor Network Guru Member

    Well the WRV gets sent back tomorrow. I've taken Jon's advice and gone with the split BEFVP41 and WAP54g + Buffalo WLI-CB-G54A.

    I've also just completed several throughput tests around my home and in the next few days will be comparing these with the new WAP.

    Can't wait to set up the VPN so I can surf at work without 'big-brother' watching - so to speak ;-)

    Just one thing to say about the WRV - after finding a compatible peer card (realtek) the unit in terms of WAP has been fine. There are lots of posts about having to reset this router daily, but in my experience this has never been required (firmware 2.25.2 Hardware Rev.02) -although I never configured the VPN as it doesn't currently support NAT-T!

    Cheers all.
     
  9. TazUk

    TazUk Network Guru Member

    The only problems I've experienced with the WRV54G have been on the VPN side, admitedly these are pretty major problems. From a router and AP point of view it's been fine, seems quicker than my old BEFSR41 with no resets required to get the wireless working. So if Linksys finally get off their arses and release a new firmware with NAT-T support I'll be a happy man :D

    It seems to me they have released too many new products without having the infrastructure to support them. With their takeover by Cisco I would have expecting an improvement in the quality of the products they produce but it's been the complete opposite. Hopefully these are just teething problems from the merger and things will improve :?
     
  10. Razor

    Razor Network Guru Member

    Well the WAP54g has proven itself. Typical throughput is around 50 times greater with superb coverage throughout my house and garden.

    I tried a selection of client cards with the WRV and all were almost useless.

    Maybe mine suffered from a poor RF stage but anyway I'm now a much happier bunny. My advice stay clear of the WRV and buy the combo.

    Thanks to those here who commended and especially to Jon

    Cheers
     
  11. t00lman

    t00lman Guest

    WRV54G Dropping Wireless Connections

    Well, I thought it was just me until I read some of the postings in this forum.

    This router drops wireless connections all of the time. I bought two of them and I am very sorry that I did so.

    My routers run the latest updates ... and it matters not. One is in one location on a DSL connection and the other on a cable modem connection. In both locales ... connections are dropped.

    I tried reconfigurations to channel 11 and setting MTU's to 1500 to no avail. I believe the manual says that cable modem connections should be set to 1492.

    In any case, I am now ready to reset the router to a default configuration and put an earlier version of the software on it.

    Interestingly enough ... I have ALL of these problems with PC's running XP and linksys support devices (eg, their cards). My MAC / Linux boxes see wireless connection immediately and everytime with this router. This is strange because the PC's worked fine with the same wireless cards using other versions of Linksys routers.

    It must be something with this router that is causing the problem.:confused:
     
  12. DocLarge

    DocLarge Super Moderator Staff Member Member

    *whew* Haven't fielded this type of wrv54g question in a while...

    For starters, you should set your MTU down to 1465 and try this test in increments of "5." Here's a link for an indepth explanation:

    http://www.zdnetasia.com/insight/network/0,39044847,39089320-39000223c-1,00.htm (MTU Setting)

    ping -f -l [mtu size] [gateway]

    So, if we input values, we'd have the following:

    ping -f -l 1450 84.45.23.125 <--- This should be your ISP's gateway
    |
    |
    This is the MTU size your checking

    If your return gives you a good ping, then your mtu setting is fine; if it comes back saying that the packet is fragmented, then your mtu is to high. For Ethernet, the default setting is 1492 whereas ADSL is 1465. Windows XP comes with a default of 1500. The best way to get your MTU size right is (in my experience) to use the above process first; once you've determined your acceptable mtu level, then use "Dr TCP" to automatically readjust your windows default registry setting instantly. You can google Dr. TCP or find it at dslreports...

    Regarding the dropping, download a copy of "Netstumbler" and check for any other access points in the area broadcasting on the same channel. If there's another access point in the area that's capable of a stronger signal when broadcasting, that will interfere with your router. A good fix for that would be moving up to a high gain antennae; I bought a 7dbi high gain antennae for my WRV54G and it made the difference. Bear in mind you don't want to go to high; if you're antennae has to high a gain, you can actually shrink the converage area by flattening the signal. Usual, two dipole antennae's at 2dbi provide adequat coverage, but the higher you get, for lack of a better expression, the more narrower the signal becomes.

    Here's a place where you can look at a high gain antennae for your WRV54G's:


    http://store.pagecomputers.com/catalog/Networking/PS|Components|Device_SW/Wireless_Accessories/623236.html#tab_overview (High Gain Antennae)

    I just noticed these jackholes have raised the price by $10 on both the antennae and the wrv54g router; you might want to shop around :)

    For firmware, I recommend 2.37.13. I've never been a fan of 2.38 or 2.39. I use 2.39.2e because it's the only version the properly supports the IPSEC vpn function and the increase to 50 quickvpn clients. Still, I recommend 2.37.13 over "anything" else for stability:

    http://www.linksysinfo.org/forums/downloads.php?do=file&id=26 (Downloads)

    If you'll notice, some people's kids can't read. This firmware is old, but it is THE MOST STABLE, to include has features that were removed from later versions as stated by Toxic and another user that bothered to read the tag line :) If not for 2.39.2e's ability to allow 50 quickvpn clients, 2.37.13 is all I'd use.

    Jay
     

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