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Thread: Routing Help

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  1. #1

    Routing Help


    Hey experts..

    I have an appliance here that seems to run on CentOS/RedHat linux.

    I have a weird routing issue. We sit on a network with two different route (Not our network, I can't change anything).

    Internet route is through 192.168.35.254, and LAN route(10.0.0.0/24) is through 192.168.35.250.
    IP of the appliance is 192.168.35.180. Mask 255.255.255.0

    Here's my routing table.
    Kernel IP routing table
    Destination Gateway Genmask Flags Metric Ref Use Iface
    192.168.35.0 * 255.255.255.0 U 0 0 0 eth1
    10.0.0.0 192.168.35.250 255.255.255.0 UG 0 0 0 eth1
    default 192.168.35.254 0.0.0.0 UG 0 0 0 eth1

    I do this regularly with all of our servers that sits on that particular network whithout any difficulites.

    For this particular appliance though, I can't solve it, for some reason, my route for 10.0.0.0/24 doesnt work. When trying to reach our internal network, for some reasons, it want to go through the default route instead. This is where I need your help!

    # traceroute 10.0.0.1
    traceroute to 10.0.0.1 (10.0.0.1), 30 hops max, 60 byte packets
    1 192.168.35.254 (192.168.35.254) 0.150 ms 0.137 ms 0.173 ms (<---- Wrong gateway)

    Any ideas?

  2. #2
    Quote Originally Posted by MikeLinuxFan View Post
    Hey experts..
    I have an appliance here that seems to run on CentOS/RedHat linux.

    I have a weird routing issue. We sit on a network with two different route (Not our network, I can't change anything). Internet route is through 192.168.35.254, and LAN route(10.0.0.0/24) is through 192.168.35.250. IP of the appliance is 192.168.35.180. Mask 255.255.255.0

    Here's my routing table.
    Kernel IP routing table
    Destination Gateway Genmask Flags Metric Ref Use Iface
    192.168.35.0 * 255.255.255.0 U 0 0 0 eth1
    10.0.0.0 192.168.35.250 255.255.255.0 UG 0 0 0 eth1
    default 192.168.35.254 0.0.0.0 UG 0 0 0 eth1

    I do this regularly with all of our servers that sits on that particular network whithout any difficulites. For this particular appliance though, I can't solve it, for some reason, my route for 10.0.0.0/24 doesnt work. When trying to reach our internal network, for some reasons, it want to go through the default route instead. This is where I need your help!

    # traceroute 10.0.0.1
    traceroute to 10.0.0.1 (10.0.0.1), 30 hops max, 60 byte packets
    1 192.168.35.254 (192.168.35.254) 0.150 ms 0.137 ms 0.173 ms (<---- Wrong gateway)

    Any ideas?
    yea; ask the people who control your network. seriously you say you cant control your network cant change anything on it and just tell us that you 'have an appliance". dont bother telling us which appliance or what it does. because if its something like a firewall proxy server or other such device it probably is designed to NOT let you screw with it or get past it. doesnt matter what that thing runs as an os. ask the people who run your network or the folks who babysit that device.

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