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Field
Description
ternally valid source port.
Possible values:
•
//!%
(UDP only): Any given external host may send IP
packets via the external address and the external port to the
initiating source address and the initial source port.
•
&%!%
(UDP only): Like full-cone NAT; as ex-
ternal host, however, only the initial "external" destination host
is allowed.
•
,!&%!%
(UDP only): Like restricted-cone
NAT; however, exclusively data from the initial destination
port are allowed.
•
&)%
(standard value) any protocol: Outbound, an ex-
ternally valid source address and an externally valid source
port are administratively set. Inbound, only response packets
within the existing connection are allowed.
In the
NAT Configuration
->
Specify original traffic
menu, you can configure for which
data traffic NAT is to be used.
Fields in the NAT ConfigurationSpecify original traffic menu
Field
Description
Service
Not for
Type of traffic
=
$$ -% *1+"
and
NAT
method
=
//!%
,
&%!%
or
,!
&%!%
.
Select one of the preconfigured services.
Possible values:
•
5&!
(default value)
•
A&% B
Protocol
Only for certain services.
Not for
Type of traffic
=
$$ -% *1+"
and
NAT
method
=
//!%
,
&%!%
or
,!
&%!%
. In this case UDP is automatically defined.
Select a protocol. According to the selected
Service
, different
protocols are available.
Funkwerk Enterprise Communications GmbH
14 Networking
R1xxx/R3xxx/R4xxx
189