Newbie needs basic wlan help wrt54g

Discussion in 'Cisco/Linksys Wireless Routers' started by cromfield, May 8, 2005.

  1. cromfield

    cromfield Network Guru Member


    Looking at some of the other questions here, I feel a bit daft asking this but here goes:

    I have a wrt54g router and wish to create a simple wlan in my home between a desktop connected to the router via an ethernet cable and a laptop with a netgear wireless adapter. I have them sharing a web connection, but want to be able to transfer files between the two.

    I can't find any references on how to do this, and don't have a clue about networking - I'm hoping one of you guys will be able to come back with a simple answer I've overlooked.

    I haven't assigned any IP addresses etc, just used the linksys setup software. But they still ain't talking to each other. Please help!
  2. Morpheus

    Morpheus Network Guru Member

    This is general checklist for sharing files between PCs in a peer to peer network. There can be other reasons but I think most people new to networking and finding sharing a problem will find the answer somewhere in this checklist.

    These checks are all essential for sharing to work with TCP/IP.
    - All PCs have TCP/IP installed.
    - All PCs have Netbios over TCP/IP enabled (only needed if pre XP PCs used).
    - All PCs have the same workgroup.
    - All PCs have a unique computer name.
    - ALL PCs have network shares defined.
    - ALL NICS are on the same subnet (e.g. IP 192.168.0.* subnet mask
    - MS Client and file & printer sharing are checked on each NIC.
    - All NICs have their node type = anything except p-node (peer to peer, or point-point). Check at cmd prompt with Ipconfig /all (XP/W2K) or winipcfg (W9X).
    - XP's ICF firewall is permanently disabled. (Only for pre XP SP2).
    - All 3rd party firewalls are disabled, uninstalled and deleted (until connection is working).

    Allow 15 mins after rebooting a PC for that PC to appear in the workgroup, or for it to see all other PCs.

    If all the above checked out and still a problem check these:
    Other ideas:
    - Realtek cards have been known to be a problem with IRQ conflicts. Move the Realtek card to another PCI slot.
    - Check your Services are Started on all PCs: Workstation, Server, TCP/IP Netbios helper, Computer Browser.
    - You only need TCP/IP. NWLink NetBIOS, NWLink IPX/SPX/NetBIOS Compatible Transport Protocol ->are not needed and can confuse things. Remove them.
    - XP gives access to its shares via the Net Guest Account. (Note, not the same as the local guest account which should be off). Check Net Guest Account is enabled:
    At command prompt:
    >Net user guest
    Should return a line with 'Acount active yes'.

    Check XP Security policies:
    - Access this computer from the network: add guest
    - Deny logon locally: remove guest
    - Network access:Sharing and security model... -> Guest only
    - Deny access to this computer from the network-> check Guest is not here.

    Other useful guides for step by step sharing are available here:

    M$ Tech D/B;Product=winxp

    and here:

    Developing a SOHO network, sharing and security (by M$):

    How to share a printer and connect to a shared printer:;DisplayLang=en

    Ports to open in a firewall for various applications:
  3. cromfield

    cromfield Network Guru Member

    Excellent, that's very helpful & most comprehensive!

    I'll start battling through those options and see how I get on. Thanks a lot for the help Morpheus.
  4. Morpheus

    Morpheus Network Guru Member

    You are Welcome :wink:
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