Gigabyte GN-GSV2401M, Руководство пользователя

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Port VID (PVID)
Set the port VLAN ID that will be assigned to untagged traffic on a given
port. This feature is useful for accommodating devices that you want to
participate in the VLAN but that don’t support tagging. Each port allows
user to set one PVID, the range is 1~255, default PVID is 1. The PVID
must as same as the VLAN ID that the port belong to VLAN group, or the
untagged traffic will be dropped.
Ingress Filtering
Ingress filtering lets frames belonging to a specific VLAN to be forwarded
if the port belongs to that VLAN. GN-GSV2401M have two ingress
filtering rule as follows:
Ingress Filtering Rule 1
：
Forward only packets with VID matching this
port's configured VID.
Ingress Filtering Rule 2
：
Drop Untagged Frame.