Routing Issue

Discussion in 'Cisco' started by Scooty, Mar 20, 2008.

  1. Scooty

    Scooty Guest

    Hi all
    This is part a Cisco problem / part a Netscreen issue I think
    I have installed a Netscreen 25 to act as a backup internet link. I
    currently have this installed as a transparant firewall
    I have configured a seperate VLAN for this, VLAN102, on the 3750
    switch
    VLAN 102 has an IP address of 192.168.102.1 on the 3750 switch
    From the Cisco 3750 switch that the Netscreen connects to I can ping
    the netscreen (192.168.102.5) and the ethernet port of the Cisco 837
    router (192.168.102.2) using just a standard ping
    I cannot ping the netscreen or the router if I use an extended ping
    using any of the other VLAN interfaces, eg VLAN26 (192.168.26.1) and
    VLAN 100 (192.168.100.1) from the 3750 switch
    I have added a static route on the netscreen to the 192.168.26.0/24
    and 192.168.100.0/24 networks out 192.168.102.1 and as a resault I can
    ping any host in my LAN from the Netscreen itself
    I want to be able to manage the Netscreen from any subnet but if I
    can't even ping it from any other subnet other than the 192.168.102.0
    then I have no chance!!
    My initial goal is to be able to just change the default route on the
    3750 from 192.168.100.37 (which is a Cisco PIX) to point to the
    Netscreen to redirect any outgoing internet traffic

    Any pointers would be most welcome

    Scott
    Scooty, Mar 20, 2008
    #1
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