Lantronix SISPM1040-3166-L Web User Guide Rev G PDF 14.13 MB - Page 86

Transition Networks SISPM1040-3xxx-L Web User Guide Egress Tagging : Ports in Trunk and Hybrid mode may control the tagging of frames on egress. Untag Port VLAN : Frames classified to the Port VLAN are transmitted untagged. Other frames are transmitted with the relevant tag. Tag All : All frames, whether classified to the Port VLAN or not, are transmitted with a tag. Untag All : All frames, whether classified to the Port VLAN or not, are transmitted without a tag. This option is only available for ports in Hybrid mode. Allowed VLANs : Ports in Trunk and Hybrid mode may control which VLANs they are allowed to become members of. Access ports can only be member of one VLAN, the Access VLAN. The field's syntax is identical to the syntax used in the Existing VLANs field. By default, a port may become member of all possible VLANs, and is therefore set to 1-4095. The field may be left empty, which means that the port will not be member of any of the existing VLANs, but if it is configured for VLAN Trunking it will still be able to carry all unknown VLANs. Forbidden VLANs : A port may be configured to never be member of one or more VLANs. This is particularly useful when dynamic VLAN protocols like MVRP and GVRP must be prevented from dynamically adding ports to VLANs. The trick is to mark such VLANs as forbidden on the port in question. The syntax is identical to the syntax used in the Enabled VLANs field. By default, the field is left blank, which means that the port may become a member of all possible VLANs. Buttons Apply : Click to save changes. Reset : Click to undo any changes made locally and revert to previously saved values. 33763 Rev. G https://www.transition.com Page 86 of 496