NAT в CISCO 1941/K9

[lioncub]

Не работает NAT на cisco:

 

!interface GigabitEthernet0/0no ip addressduplex autospeed auto!interface GigabitEthernet0/0.153encapsulation dot1Q 153ip address 192.168.9.254 255.255.255.252ip nat insideip virtual-reassembly in!interface GigabitEthernet0/1no ip addressduplex autospeed auto!interface GigabitEthernet0/1.110encapsulation dot1Q 110ip address 77.77.77.77 255.255.255.0ip nat outsideip virtual-reassembly in!ip nat inside source list 20 interface GigabitEthernet0/1 overloadip route 0.0.0.0 0.0.0.0 77.77.77.1ip route 192.168.10.0 255.255.255.0 192.168.9.253!access-list 20 permit 192.168.10.77!

 

Пингую с адреса 192.168.10.77:

 

$ ping 8.8.8.8PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.From 192.168.9.254 icmp_seq=1 Destination Host UnreachableFrom 192.168.9.254 icmp_seq=2 Destination Host UnreachableFrom 192.168.9.254 icmp_seq=3 Destination Host Unreachable^C--- 8.8.8.8 ping statistics ---3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 1998ms

 

Пингую с cisco:

 

#ping 8.8.8.8Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:!!!!!Success rate is 100 percent (5/5), round-trip min/avg/max = 24/24/24 ms

 

 

Что забыл прописать в Cisco, почему не работает?

[ShyLion]

!
interface GigabitEthernet0/1
no ip address
duplex auto
speed auto
!
interface GigabitEthernet0/1.110
encapsulation dot1Q 110
ip address 77.77.77.77 255.255.255.0
ip nat outside
ip virtual-reassembly in
!
ip nat inside source list 20 interface GigabitEthernet0/1 overload

 

Семен-семеныч... на Gi0/1 даже ip нет, не говоря о nat.

[Andrei]

ip nat inside source list 20 interface GigabitEthernet0/1.110 overload