AudioCodes Mediant 4000 SBC User Manual page 143

User's Manual
2. Click New; the following dialog box appears:
3. Configure a NAT translation rule according to the parameters described in the table
below.
4. Click Apply, and then save your settings to flash memory.
Table 11-15: NAT Translation Table Parameter Descriptions
Parameter
Source
Index
index
[NATTranslation_Index]
Source Interface
src-interface-name
[NATTranslation_SrcIPInterfaceName]
Source Start Port
src-start-port
[NATTranslation_SourceStartPort]
Source End Port
src-end-port
[NATTranslation_SourceEndPort]
Target
Target IP Address
target-ip-address
[NATTranslation_TargetIPAddress]
Target Start Port
target-start-port
[NATTranslation_TargetStartPort]
Version 7.2
Figure 11-6: NAT Translation Table - Dialog Box
Defines an index number for the new table row.
Note: Each row must be configured with a unique index.
Assigns an IP network interface (configured in the IP
Interfaces table) to the rule. Outgoing packets sent from the
specified network interface are NAT'ed.
By default, no value is defined.
To configure IP network interfaces, see ''Configuring IP
Network Interfaces'' on page 129.
Defines the optional starting port range (0-65535) of the IP
interface, used as matching criteria for the NAT rule. If not
configured, the match is done on the entire port range. Only
IP addresses and ports of matched source ports will be
replaced.
Defines the optional ending port range (0-65535) of the IP
interface, used as matching criteria for the NAT rule. If not
configured, the match is done on the entire port range. Only
IP addresses and ports of matched source ports will be
replaced.
Defines the global (public) IP address. The device adds the
address in the outgoing packet to the SIP Via header,
Contact header, 'o=' SDP field, and 'c=' SDP field.
Defines the optional starting port range (0-65535) of the
global address. If not configured, the ports are not replaced.
Matching source ports are replaced with the target ports.
This address is set in the SIP Via and Contact headers and
Description
143
11. Network
Mediant 4000 SBC