Reference:Configuration/IP/NAT: Difference between revisions

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The telephone is able to connect IP terminals from the network with a non-public address to the public Internet. For this, '''NAT''' (Network Address Translation) is necessary. NAT serves as the router and requires a configuration of the PPPoE protocol.
If the device is used as a router, it is able to connect IP terminals from the network with a non-public address to the public Internet. For this, '''NAT''' (Network Address Translation) is necessary. Additional configuration is required on the different IP interfaces (e.g. ETH, PPP, etc.) to define on which interfaces the public and on which interfaces the private network is accessed.
The necessary parameters for this configuration can be set here:


* '''Enable NAT:''' A checked check box enables NAT in general. This function is only required if the IP telephone is also a DSL router.
{|
* '''Default forward destination:''' If all incoming data packets are to be forwarded to a particular IP-Adresse as standard, the destination IP-Adresse must be entered here.
|valign=top nowrap=true|'''Enable NAT'''
* '''Port-specific forwarding:''' To be able to address several internal destinations, different port number numbers are assigned to IP addresses of the internal network here.
|If this checkmark is set, NAT is enabled. Without this checkmark beeing set all NAT settings on individual IP interfaces are not used.
|-
|valign=top nowrap=true|'''Default forward destination'''
|If all incoming data packets from the public network are to be forwarded to a particular private IP-Adresse, the destination IP-Adresse must be entered here.
|-
|valign=top nowrap=true|'''Port-specific forwarding'''
|To be able to address several internal destinations, different port number numbers are assigned to IP addresses of the internal network here.
|}

Revision as of 16:00, 7 April 2007

If the device is used as a router, it is able to connect IP terminals from the network with a non-public address to the public Internet. For this, NAT (Network Address Translation) is necessary. Additional configuration is required on the different IP interfaces (e.g. ETH, PPP, etc.) to define on which interfaces the public and on which interfaces the private network is accessed.

Enable NAT If this checkmark is set, NAT is enabled. Without this checkmark beeing set all NAT settings on individual IP interfaces are not used.
Default forward destination If all incoming data packets from the public network are to be forwarded to a particular private IP-Adresse, the destination IP-Adresse must be entered here.
Port-specific forwarding To be able to address several internal destinations, different port number numbers are assigned to IP addresses of the internal network here.
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