On Jul 18, 2006, at 11:54 AM, Marc Breslow wrote:
I want to provide internet connectivity to this 2nd machine routed
through the firewall. Currently, I can reach two machines on the
192.168.1.0/24 network (.5 and .3) but I can’t reach the router (.
1) or anything outside.
what does the file /proc/sys/net/ipv4/ip_forward contain (on the
CentOS box that's connected to the router)?
if this file contains "0", your machine will not forward packets.
Firewall routing tables:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref
Use Iface
10.0.0.0 0.0.0.0 255.255.255.254 U 0
0 0 eth4
192.168.1.0 0.0.0.0 255.255.255.0 U 0
0 0 eth1
192.168.202.0 0.0.0.0 255.255.255.0 U 0
0 0 eth3
169.254.0.0 0.0.0.0 255.255.0.0 U 0
0 0 eth4
0.0.0.0 192.168.1.1 0.0.0.0 UG 0
0 0 eth1
192.168.202.10 routing table:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref
Use Iface
192.168.202.0 0.0.0.0 255.255.255.0 U 0
0 0 eth1
10.1.16.0 0.0.0.0 255.255.240.0 U 0
0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0
0 0 eth0
0.0.0.0 192.168.202.1 0.0.0.0 UG 0
0 0 eth1
are you sure that the machine 192.168.202.10 has an eth3 interface?
i think you made a typo in your original message. can you ping
192.168.202.1 from the second machine? what is the output of
`traceroute 192.168.1.1`?
-steve
---
If this were played upon a stage now, I could condemn it as an
improbable fiction. - Fabian, Twelfth Night, III,v
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