Hitachi GR2000 Series - Manual (Page 115)

Confirmation of interface state and routing state
GR2K-GA-0015 5-15
Ver. 07-02
Figure 5-30 Example of display of NAT and NAPT translation rules
5.2.13.2 Confirmation during operation
(a) Confirmation of NAT and NAPT translation information
Execute a show ip nat statistics command and confirm that NAT and NAPT
translations do not fail. If they fail, execute a show ip nat translations command
and confirm the main cause in the display item "Reason".
Figure 5-31 Example of display of NAT and NAPT translation information
Figure 5-32 Example of display of NAT and NAPT translation failure information
5.2.14 Confirming the DNS Relay Function
The contents of confirmation when a DNS relay function is used in the router are as
described below.
5.2.14.1 Confirmation after setting of configuration definition
(a) Confirmation of name server setting
Execute a show dns-relay command and confirm that the IP address of the name
server set using a configuration definition command (dns-resolver) is displayed.
> show ip nat translations
List of active rules:
isp01 static_nat 192.168.1.5- 200.200.1.15-
192.168.1.14/32 200.200.1.24/32
isp01 nat 192.168.2.0/24 200.200.2.0/28
isp01 static_napt auto 192.168.3.1/32 port 80 8080
isp01 napt 192.168.4.0/24 auto port_range 2000 3000
[Omitted hereinafter.]
>
> show ip nat statistics
Translations Packet Count
In : 0 Out : 0
Binding Table Information
Added : 0 Time-Out : 0
In Use : 0 Max Use : 0
Rules : 0
Misses
Bad Translations : 2
>
> show ip nat translations
[Omitted halfway]
List of bad translations:
Original Outside Reason
06/12 15:29:07 TCP Out 192.168.0.42:1066 200.200.1.211:80 No Rules
06/12 15:33:17 UDP Out 192.168.0.42:49188 200.200.1.211:7 No Port
06/12 15:33:18 TCP Out 192.168.4.1:1053 203.203.3.3:80 No Port
>