802.1Q Control Function - KTI Networks KGC-310 Installation Manual

3.5 802.1Q Control Function

802.1Q Control function allows to perform 802.1Q VLAN related operation to the packets passing
through the media converter according packet contents as follows:
[Ingress Drop] setting
The setting is the first filtering mechanism to filter all incoming untagged packets or to filter all incoming
VLAN-tagged packets. The options are:
Disable - Disable port ingress drop function
Untag Only - All incoming untagged packets and priority-tagged packets are dropped.
Only VLAN-tagged packets are admitted.
Tag Only - All incoming VLAN-tagged packets are dropped.
Only untagged packets and priority-tagged packets are admitted.
[Ingress Keep Tag], [Egress Insert Tag] settings
The settings are used together for packet egress tagging or untagging as table listed below:
Ingress Keep Tag Egress Insert Tag Packet Modification
Enable
Disable
Disable
Enable
[Ingress Keep Tag] options:
Enable - The VLAN tag in the received VLAN-tagged packet will be kept as it is and is
not stripped in whole conversion operation.
Disable - The VLAN tag data in the received VLAN-tagged packet is stripped (removed).
[Egress Insert Tag] options:
Enable - Insert a tag into the packet in egress. The tag inserted is based on the rule below:
Incoming Packet Type
Untagged
Priority-tagged
VLAN-tagged
Disable - No tagging is performed.
Disable All packets are with no modification.
Disable All packets are untagged in egress.
Enable All packets are tagged in egress.
Enable Settings not recommended (possible double-tagging)
Tag inserted
Ingress port Default Tag
Ingress port Default Tag
Received packet own tag
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