Help! How to Setup Dedicated B AND G Networks

Discussion in 'Cisco/Linksys Wireless Routers' started by stupidpoeticjustice, Sep 11, 2005.

  1. stupidpoeticjustice

    stupidpoeticjustice Network Guru Member

    I recently purchased a Linksys Media Center Extender that requires either a 802.11A or G network. I also have a PDA that only has B capabilities.

    Consequently, I'd like to have two separate wireless networks: (1) G-Only and (2) B-Only.

    I've searched the forums, but am lost in a maze of jargon (bridges, clients, etc).

    I would like to WIRE (vs. wireless) the routers together.

    I have two WRT54GS routers. (1) One (The one that must be closest to the modem), running Alchemy and (2) the other running the latest linksys firmware (4.70.6).

    I'm definitely somewhat experienced w/ networking, but am at a loss of how to accomplish this. I can certainly upgrade router 2 to Alchemy if necessary.

    Any help/direction to other posts would be most appreciated!
  2. jaysun

    jaysun Network Guru Member

    you should be able to set up one of the routers to broadcast in G only (preferably router 1 closest to the modem) and the other (2) to broadcast only in B. Just be sure to turn off DHCP on router 2 and have each of them broadcasting on different channels (example: router 1 on channel 3 and router 2 on channel 9)
    good luck, let me know how it works.
  3. stupidpoeticjustice

    stupidpoeticjustice Network Guru Member

    Thanks for the reply. I've tried to setup the "second" router by disabling the DHCP functionality. No dice. I cannot get any internet connectivity via the "second" router (I have a CAT5 wire from one of the four ports in the "first" router to the "input" on the "second").

    Perhaps I need to manually set the local address, subnet mask or gateway?

    From the Status tab of the "second" router:

    Firmware Version : v4.50.6, Apr. 24, 2005
    Current Time : Sun, 11 Sep 2005 12:02:55
    MAC Address : 00:13:10:EA:A6:04
    Router Name : WRT54GS
    Host Name :
    Domain Name :


    Configuration Type
    Login Type : Automatic Configuration - DHCP
    IP Address :
    Subnet Mask :
    Default Gateway :
    DNS 1 :
    DNS 2 :
    DNS 3 :
    MTU : 1500
  4. jaysun

    jaysun Network Guru Member

    try upgrading your second router to alchemy or another firmware that allows you to disable internet type, so that it doesnt have login type: DHCP, and you need to run it into one of its 4 ports, not the WAN port, that will screw up the whole thing, it took me a while to figure that out. (it is no longer a gateway, just another router on the network) Also, make sure the second router is runing in router mode, not gateway mode, as that can cause problems as well. Dropping your MTU to 1350 can increase stability, and sometimes range as well, of the wireless side of the network.
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