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--- web_gui:advanced_network_configuration [2010/11/19 09:53]
tibor
+++ web_gui:advanced_network_configuration [2010/12/14 16:43] (current)
mats
@@ Line 62: / Line 62: @@
 ** "Poisoned reverse" flag in RFC1058 ** See the "Split horizon" section (2.2.1) in [[http://tools.ietf.org/html/rfc1058|RFC1058]].
+==== NAT ports usage ====
+To perform NAT (Network Address Translation), source port numbers on outgoing packets are modified.
+These numbers are selected from a pool of non-well-known port numbers.
+This port number range can be configured by the fields **Port start number** and **Pool size**.
+The default values should not be changed other than possibly in the [[network:operational_modes#WAN SIParator 1|"WAN SIParator 1"]] (single address [[advanced_network_configuration#Bridge (802.1D) WAN to ET4|802.1D bridge]]) mode, where there is a risk of conflicts with another router/firewall also doing NAT. [[wp>Network_address_translation|NAT]] [[wp>Port_address_translation|PAT]]
 ===== Extra WAN Interfaces =====

web_gui/advanced_network_configuration.1290156834.txt.gz · Last modified: 2010/11/19 09:53 by tibor