> Показывайте вывод
> ip ru sh
> ip ro sh table 101
> ip ro sh table 102
> ip ro sh table main
> ip ro sh table default
> iptables -t nat -nvL --line
> iptables -t mangle -nvL --line
> iptabbles -nvL --lineroot@gate:~# ip ru sh
0: from all lookup local
101: from all iif eth0 lookup 101
102: from all iif eth2 lookup 102
32766: from all lookup main
32767: from all lookup default
root@gate:~# ip ro sh table 101
root@gate:~# ip ro sh table 102
10.0.0.0/24 dev eth3 scope link
root@gate:~# ip ro sh table main
195.5.5.204 dev ppp0 proto kernel scope link src 178.94.108.38
217.12.196.124/30 dev eth3 proto kernel scope link src 217.12.196.126
10.0.0.0/24 dev eth0 proto kernel scope link src 10.0.0.2
10.0.0.0/24 dev eth1 proto kernel scope link src 10.0.0.3
default via 217.12.196.125 dev eth3 metric 100
root@gate:~# ip ro sh table default
root@gate:~# iptables -t nat -nvL --line
Chain PREROUTING (policy ACCEPT 10087 packets, 932K bytes)
num pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 16 packets, 1590 bytes)
num pkts bytes target prot opt in out source destination
Chain POSTROUTING (policy ACCEPT 8 packets, 986 bytes)
num pkts bytes target prot opt in out source destination
1 0 0 MASQUERADE all -- * ppp0 0.0.0.0/0 0.0.0.0/0
2 9021 849K MASQUERADE all -- * eth3 0.0.0.0/0 0.0.0.0/0
root@gate:~# iptables -t mangle -nvL --line
Chain PREROUTING (policy ACCEPT 58811 packets, 18M bytes)
num pkts bytes target prot opt in out source destination
Chain INPUT (policy ACCEPT 1740 packets, 130K bytes)
num pkts bytes target prot opt in out source destination
Chain FORWARD (policy ACCEPT 56794 packets, 18M bytes)
num pkts bytes target prot opt in out source destination
1 0 0 TCPMSS tcp -- * ppp0 0.0.0.0/0 0.0.0.0/0 tcp flags:0x06/0x02 tcpmss match 1400:65495 TCPMSS clamp to PMTU
Chain OUTPUT (policy ACCEPT 1390 packets, 116K bytes)
num pkts bytes target prot opt in out source destination
Chain POSTROUTING (policy ACCEPT 58184 packets, 18M bytes)
num pkts bytes target prot opt in out source destination
root@gate:~# iptables -nvL --line
Chain INPUT (policy ACCEPT 1841 packets, 138K bytes)
num pkts bytes target prot opt in out source destination
Chain FORWARD (policy ACCEPT 63548 packets, 23M bytes)
num pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 1473 packets, 125K bytes)
num pkts bytes target prot opt in out source destination