AudioCodes Mediant 4000 SBC - Page 142

CHAPTER13 Network
Mediant 4000 SBC | User's Manual
➢ To configure NAT translation rules:
1. Open the NAT Translation table (Setup menu > IP Network tab > Core Entities folder > NAT
Translation).
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 13-7: NAT Translation Table Parameter Descriptions
Parameter Description
Source
'Index'
index
[NATTranslation_
Index]
Defines an index number for the new table row.
Note: Each row must be configured with a unique index.
'Source Interface'
src-interface-
name
[NATTranslation_
SrcIPInterfaceName]
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.
'Source Start Port'
src-start-port
[NATTranslation_
SourceStartPort]
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.
'Source End Port'
src-end-port
[NATTranslation_
SourceEndPort]
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.
Target
'Target IP Address'
target-ip-
address
[NATTranslation_
TargetIPAddress]
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.
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