Dynamix 8Ports 4-Band VDSL IP DSLAM User’s Manual V.3
Ingress Filtering
Ingress filtering lets frames belonging to a specific VLAN to be forwarded if the port belongs to that VLAN.
IP DSLAM has 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
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