Home network routing question

Discussion in 'Windows Networking' started by Virgil Green, Jul 30, 2003.

  1. Virgil Green

    Virgil Green Guest

    I have a home network, all Win98, for which I have a routing question.

    All PCs are attached to a hub. The Hub is attached to a router. The router
    is at All PCs have IPs of 192.168.0.x. subnet mask is all around.

    I have a device that has a known IP address of It also has a
    subnet mask of I'd like to access that device from any PC on
    the network without having to change the IP of that device. I *think* this
    will just require proper route entries in my route table, but I'm not sure.

    Changing one of my PCs to use 192.168.2.x rather then 0.x allows me to
    access this device. That confirmed to me that the device is working
    properly. Now, what do I have to do on one of these Win98 machines to allow
    it to reach this device without having to change the 3rd octet to match
    between the machine and device?

    Here is the current output from "route print" (view in monospace, please):

    c:\> route print
    Active Routes:

    Network Address Netmask Gateway Address Interface Metric 1 1 1 1 1 1 1 in the table above is, of course, my router. is my
    local machine. There is only one NIC in this machine. Both this machine and
    the device I want to communicate with are plugged into the same hub. Both
    machine and device are known to have subnet mask of (which I
    think I understand is not the same thing as the mask from the route table).

    Is it possible to just change the routes on one Win98 machine to allow it to
    converse with this device?

    I've tried adding several route entries (none of which are represented
    above) but have failed to gain access. Perhaps it's not even possible to do
    what I want without also have similar route entries on the other device.

    Any advice appreciated.

    - Virgil
    Virgil Green, Jul 30, 2003
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  2. Virgil Green

    Chris Healey Guest

    Win98 does not like to multihome with IP addresses. Your
    best bet is to have your router have a second IP address
    and route to that other device. As something
    has to have an address on each network for the packets to
    get around.

    I think the best option is to change the IP address of the
    other device to be on the same netowrk as the PCs.

    To really mess with your head you can setup up your
    network to be with a mask of, then
    they are all on the same LARGE IP netowrk. But the problem
    there might be that your router will not support a 16bit
    subnet mask.

    There is also the upgrade route to Win2k or even NT4 that
    does support multihoming and then you can have it on both
    the and networks and make it do
    the routing.

    I am not to sure but maybe setting up a static ARP table
    may do this too but I have had very little luck with
    static ARP entries.

    Good Luck
    Address Interface Metric 1 1 1
    Chris Healey, Jul 30, 2003
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  3. Changing the routing tables on the PC will work fine for getting
    packets from the PC to the printer but then the printer can't send
    packets to the PC unless the printer's routes are similarly changed.

    If you can't change the IP address of the printer or PCs, then the
    next-best solution would be to change the subnet mask to
    on the printer and PCs. Note that if the PCs get their IP address from
    the router via DHCP, then the router's configuration should be changed
    to reflect this subnet mask.

    John Wunderlich, Jul 30, 2003
  4. Virgil Green

    Virgil Green Guest

    Thanks very much to Chris and John. You have confirmed my fears. John, this
    is actually wireless 4-port router (the other device, not my normal router)
    and I just wanted to get into it to turn off its DHCP host so I could test
    it for my daughter before moving it to a separate location. You've confirmed
    that I would have to make similar changes on the other device if I wanted an
    ARP solution or that I would have to change my subnet Mask to bring both
    devices into the same subnet.

    Luckily, I'm free to change the IP of the other device but I wanted to know
    if I was able do what I wanted without resorting to that. I'll make the
    change and go about my merry way having learned "one more thing" about Win98

    Thanks to you both (and to any others who contribute(d) responses I have not
    yet seen).

    - Virgil
    Virgil Green, Jul 30, 2003
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