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Routing Issue

 
 
Scooty
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      03-20-2008
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




 
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