Field
Description
ternally valid source port.
Possible values:
•
13++*
(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.
•
0*
(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 menu Specify original traffic
Field
Description
Service
Not for Type of traffic =
3 "3* 9,)#
and NAT
method =
13++*
,
**
or
**
.
Select one of the preconfigured services.
Possible values:
•
/1
(default value)
•
@* A
Action
Only for Type of traffic =
6*+3 "8!3 9,)#
Select which data packets are to be excluded by NAT.
Possible values:
•
6*+3
(default value): All the data packets that match the
following parameters that are to be configured (protocol,
source IP address/network mask, destination IP address/net-
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11 Networking
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