Can't Ping External NIC on Gateway From Intranet Node
I've setup a LINUX PC running SUSE 9.2 that has one leg in the Internet and the other on a 192.168.0.0 Intranet (home network). I have my a laptop also running the same OS as the gateway PC, which is connected directly to the 192.168.0.1 NIC via a crossover cable.
I can ping the 192.168.0.1 interface just fine. Could someone tell me please, why can I not ping the 64.x.x.x NIC that's going to my DSL modem and out to the Internet? When I run tcpdump to show a ping action to my Intranet NIC via the laptop: 15:53:22.862725 IP fignux.site > 192.168.0.40: icmp 64: echo reply seq 2 15:53:23.862664 IP 192.168.0.40 > fignux.site: icmp 64: echo request seq 3 Versus the same way to the other NIC on the gateway going to the Internet: 15:53:42.017753 IP 192.168.0.40 > adsl-64-1xx-xx-1.dsl.pacbell.net: icmp64: echo request seq 2 I will not receive the echo reply sequence. My routing on the gateway machine: Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 64.1xx.xx.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 64.1xx.xx.1 0.0.0.0 UG 0 0 0 eth1 My routing on my laptop client connected via crossover cable to the gateway machine: Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0 On the SuSEFirewall2 I have: FW_ROUTE = yes FW_MASQUERADE=yes Everything else is set to the default in /etc/sysconfig Editor. Once I can ping the external card, then I know I can get the clients attached to the Gateway Firewall box to the Internet. Thanks in advance, danfiggolfer |
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