Need Advice/Help -- Kernel/Network Routing

Alan Fullmer lists-alan at xnote.com
Thu Mar 10 08:56:58 MST 2005


I have a question maybe someone can help with.

The O/S I am running is pretty much a vanilla install of Fedora Core 3.

I have two NIC's in the machine. Eth0 and Eth1

I am attempting to separate the two networks and its traffic.

ETH0 has a network of 166.70.122.0  mask 255.255.255.128 and gw 166.70.122.1
ETH1 has a network of 166.70.133.128 mask 255.255.255.224 and gw
166.70.133.129

Since I have to have a default gateway, I have it set to 166.70.122.1

However, all traffic from the ETH1 goes out the default gateway, which I
guess makes sense.

I attempted to add a gw for that network through the route command, so I get
this:

Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt
Iface
166.70.133.128  166.70.133.129  255.255.255.224 UG        0 0          0
eth1
166.70.133.128  0.0.0.0         255.255.255.224 U         0 0          0
eth1
166.70.122.0    0.0.0.0         255.255.255.128 U         0 0          0
eth0
0.0.0.0         166.70.122.1    0.0.0.0         UG        0 0          0
eth0


However the outbound traffic from IP 166.70.133.133 still goes out the
default gateway.


My goal is to essentially create a router or something that directs all
traffic for each network to its proper gateway.

Thanks in advance for any help.

-Alan
alan at xnote.com




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