Draytek VIGOR3220 SERIES, Руководство пользователя

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Vigor3220 Series User’s Guide 374
3. For adding a new service type, click Add to open the following page.
Available settings are explained as follows:
Item Description
Service Name Type in a new service for your request. The maximum length
of the name you can set is 11 characters.
Service Type Choose the type (TCP, UDP or TCP/UDP or other) for the new
service.
Port Configuration Type - Click Single or Range as the Type. If you select
Range, you have to type in the starting port number and the
end porting number on the boxes below.
Port Number – Type in the starting port number and the end
porting number here if you choose Range as the type.
5. After finishing all the settings here, please click OK to save the configuration.
By the way, you can set up to 10 service types. If you want to edit/delete an existed service
type, please select the radio button of that one and click Edit/Edit for modification.
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Packets coming from LAN IP can be retagged through QoS setting. When the packets sent out
through WAN interface, all of them will be tagged with certain header and that will be easily
to be identified by server on ISP.
For example, in the following illustration, the VoIP packets in LAN go into Vigor router
without any header. However, when they go forward to the Server on ISP through Vigor router,
all of the packets are tagged with AF (configured in Bandwidth >>QoS>>Class) automatically.