тунель в putty настроил, в iptables на шлюзе добавил
*nat
:PREROUTING ACCEPT [232:15824]
:INPUT ACCEPT [83:6800]
:OUTPUT ACCEPT [47:4244]
:POSTROUTING ACCEPT [47:4244]
-A PREROUTING -i lo -p tcp -m tcp --dport 6310 -j DNAT --to-destination 192.168.168.26:631
-A POSTROUTING -s 192.168.168.0/24 -o eth1 -j SNAT --to-source 192.168.192.100
*filter
:INPUT DROP [464:35608]
:FORWARD DROP [3875:285525]
:OUTPUT ACCEPT [57997:30523172]
-A INPUT -i lo -j ACCEPT
