$ lsmod
Module Size Used by
nf_nat_pptp 4587 0
nf_conntrack_pptp 12132 1 nf_nat_pptp
nf_conntrack_proto_gre 7097 1 nf_conntrack_pptp
nf_nat_proto_gre 2962 1 nf_nat_pptp
ip_gre 15275 0
iptable_mangle 3283 0
arc4 1441 0
ecb 2175 0
ppp_mppe 6370 0
ppp_async 7920 0
crc_ccitt 1643 1 ppp_async
ppp_generic 25345 2 ppp_mppe,ppp_async
slhc 5899 1 ppp_generic
ipv6 321509 36
ipt_MASQUERADE 2400 1
iptable_nat 6124 1
nf_nat 22788 4 nf_nat_pptp,nf_nat_proto_gre,ipt_MASQUERADE,iptable_nat
nf_conntrack_ipv4 9440 3 iptable_nat,nf_nat
nf_conntrack 79643 7 nf_nat_pptp,nf_conntrack_pptp,nf_conntrack_proto_gre,ipt_MASQUERADE,iptable_nat,nf_nat,nf_conntrack_ipv4
nf_defrag_ipv4 1449 1 nf_conntrack_ipv4
xt_TCPMSS 3379 1
iptable_filter 2759 1
ip_tables 17733 3 iptable_mangle,iptable_nat,iptable_filter
xen_netfront 18083 0
ext3 133830 1
jbd 54576 1 ext3
mbcache 7918 1 ext3
xen_blkfront 13615 2
dm_mod 76824 0# ip route flush table main# route add -net 0.0.0.0 NM 0.0.0.0 GW 192.168.160.2 dev tun0
# route add -net 91.*.*.42 NM 255.255.255.255 GW 192.168.0.1 dev wlan0
# route add -net 192.168.160.0 NM 255.255.255.0 GW 192.168.160.2 dev tun0
# route add -net 192.168.160.2 NM 255.255.255.255 GW 0.0.0.0 dev tun0
# route add -net 192.168.0.0 NM 255.255.255.0 GW 0.0.0.0 dev wlan0
С сетями все дружат очень хорошо.
что такое dhcp, dns, icmp и так далее все знают на зубок.