AirLive Ether-FSH2422W - Manual (Page 30)

AirLive Ether-FSH2422W User’s Manual
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up-link port which is used in an application such as virus check or firewall. For example,
the two up-link ports are located in different VLANs and are connected to a virus check
station or firewall. The virus check station or firewall will check whether the packet
contains the virus pattern. If not containing the virus pattern, this packet will be forwarded
to the up-link port located in different VLANs.
¾ AddTag: A tag port always adds a tag to a forwarded packet with VID selected by PVID.
¾ Don’t care: If the NIC of a PC doesn’t support 802.1Q VLAN tagging, select this radio
button to ignore the packets tagged.
¾ RemoveTag: An un-tagged port always removes a tag from a forwarded packet.