User's Manual 128 Document #: LTRT-68822
Mediant 2000
 To configure NAT translation rules:
1. Open the NAT Translation Table page (Configuration tab > VoIP menu > Control
Network submenu > NAT Translation Table).
2. Click the Add button; the following dialog box appears:
Figure 11-13: NAT Translation Table Page
3. Configure the parameters as required. For a description of the parameters, see the
table below:
4. Click Submit to apply your changes.
5. To save the changes to flash memory, see 'Saving Configuration' on page 396.
NAT Translation Table Parameters
Parameter Description
Index
[NATTranslation_Ind
ex]
Defines the table index entry. This table can include up to 32 entries.
Source Interface
Name
[NATTranslation_So
urceIPInterfaceNam
e]
Defines the name of the IP interface, as appears in the Multiple Interface
table.
Note: If the Multiple Interface table is not configured, the default Source IP
Interface Name is "All". This represents the single IP interface for OAMP,
Control, and Media (defined by the LocalOAMIPAddress,
LocalOAMSubnetMask, and LocalOAMDefaultGW parameters).
Target IP Address
[NATTranslation_Tar
getIPAddress]
Defines the global IP address. This address is set in the SIP Via and
Contact headers as well as in the o= and c= SDP fields.
Source Start Port
[NATTranslation_So
urceStartPort]
Defines the optional starting port range (1-65536) of the IP interface, used
as matching criteria for this 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
[NATTranslation_So
urceEndPort]
Defines the optional ending port range (1-65536) of the IP interface, used
as matching criteria for this 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.
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