Hitachi GR2000 Series - Manual (Page 217)

Troubleshooting
GR2K-GA-0015 7-51
Ver. 07-02
7.5.4.3 Confirmation of NAT/NAPT Conversion Failure Information (Factor Analysis)
Confirm the NAT conversion failure information by using the show ip nat translation
command.
Information about the NAT conversion failure is indicated in the List of bad
translations. The reason for the failure is indicated in the Reason.
7.5.4.4 Confirmation of Line Used by Configuration Definition NAT/NAPT
IP address and port number cannot be converted if there is an error in the interface
name set by the
nat outside interface or nat inside interface command for the
configuration definition. Confirm the contents of the configuration definition by
using the
show nat command for the configuration definition.
7.5.4.5 Confirmation of Presence of Binding Entry
No binding is possible if there is an error in the definition set by the nat outside
interface command for the configuration definition. Confirm the binding entry
information in the list of active sessions by using the show ip nat translations
command. If the binding entry information is not indicated, refer to the 7.5.4 and
correct the configuration defining information.
> show ip nat statistics
List of active rules:
isp01 nat 192.168.2.0/24 200.200.2.0/28
List of active sessions:
List of bad translations:
Date Protocol Type Source Destination Reason
03/27 18:18:45 TCP OUT 192.168.2.4:1053 203.203.2.2:80 No Pool Address
(config)# show nat
nat {
outside_interface isp01 {
nat 192.168.1.0/24 auto;
};
inside_interface local01;
};
Confirm this content.
> show ip nat translations
List of active rules:
isp01 nat 192.168.2.0/24 200.200.2.0/28
List of active sessions:
Prot o col Type Source Translation Destination
TCP Out 192.168.0.2:1053 200.200.1.1:1553 203.203.2.2:80
Create [7m 15s] Time-Out [2m 45s] TCP Status [ESTABLISHED]
List of bad translations:
If nothing is indicated, no binding entry is present.