AirLive Ether-FSH2422W - Manual (Page 31)

AirLive Ether-FSH2422W User’s Manual
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4-6-3 VLAN PVID Index Setting
The switch supports a 32-entry VLAN table to provide 32 active VLANs out of 4096 VLANs defined in
IEEE802.1Q. User can define 32 VID entries in the VID table and enable the tag VLAN function. When a
tagged packet is received, the switch compares the VID field in the packet with the ones defined in the
VID table. If it is not matched, the switch drops the packet. If it is matched, the switch uses the
corresponding index to select one of the 32-entry in the VLAN table as an output port mask. That is, a
set of ports, to which the packet can be forwarded to. The switch forwards the packet according to MAC
address and the output port mask. If the source port is not one of the members in the VLAN table entry,
the switch drops the packet.
When an un-tagged packet is received, the switch uses the default PVID for the source port as index to
the VID of the packet. The switch forwards the packet in the same way as mentioned above.
„ Port: Labeled as the port number.
„ PVID Index (1 ~ 32): Define the index of PVID.