[PLUG] RedHat 8.0 Routing question

gilmanhunt at attbi.com gilmanhunt at attbi.com
Wed Nov 13 20:49:45 UTC 2002


They are connected via a crossover cable.  I will be needing port forwarding - but at this 
point I can't verify that the systems are working right ;(
> 
> Why wouldn't you connect the two 192.168.1.X nics together?
> That got my sys's going last night, until I tried adding IP forwarding.
> Grr.
> 
> 
> 
> On 13 November 2002 at 20:15, gilmanhunt at attbi.com wrote:
> 
> I have: 
> 1) box with a nic of 192.168.1.2
> 2) box with a nic of 192.168.1.1 and a nic of 10.10.10.222
> 
> 2a) the box (gilgamesh- maybe I should have given it a more tractable name) with 
> the 2 
> nics has this as it's route table:
> [root at gilgamesh root]# route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0
> 10.10.10.0      0.0.0.0         255.255.255.0   U     0      0        0 eth1
> 127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
> 0.0.0.0         10.10.10.1      0.0.0.0         UG    0      0        0 eth1
> 2b) This box has "echo 1 > /proc/sys/net/ipv4/ip_forward"
> 
> 2c) Box one and two are connected by a crossover ethernet cable
> between the 2 nics of the 192.168.1.x network
> 
> 3) I can't ping 192.168.1.1 from box one (the inside box) nor can
> I ping 192.168.1.2 from two (the external box) : the result is
> "destination host unreachable".
> 
> So obviously (to me) I'm having some sort of network routing     
> problem. Both computers are running redhat 8.0.                  
> 
> 
> 
> 
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