Dell PowerConnect 5324 Command Line Interface Guide - Page 347
switchport general acceptable-frame-type tagged-only, switchport forbidden vlan
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switchport general acceptable-frame-type tagged-only The switchport general acceptable-frame-type tagged-only Interface Configuration mode command discards untagged frames at ingress. To enable untagged frames at ingress, use the no form of this command. Syntax switchport general acceptable-frame-type tagged-only no switchport general acceptable-frame-type tagged-only Default Configuration All frame types are accepted at ingress. Command Mode Interface Configuration (Ethernet, port-channel) mode User Guidelines • There are no user guidelines for this command. Example The following example configures g8 to discard untagged frames at ingress. Console (config)# interface ethernet g8 Console (config-if)# switchport general acceptable-frame-type tagged-only switchport forbidden vlan The switchport forbidden vlan Interface Configuration mode command forbids adding specific VLANs to a port. This may be used to prevent GVRP from automatically making these VLANs active on the selected ports. To revert to allowing the addition of specific VLANs to the port, use the remove parameter for this command. Syntax switchport forbidden vlan {add vlan-list | remove vlan-list} • add vlan-list-List of VLAN IDs to add to the "forbidden" list. Separate non consecutive VLAN IDs with a comma and no spaces. A hyphen designates a range of IDs. • remove vlan-list-List of VLAN IDs to remove from the "forbidden" list. Separate non consecutive VLAN IDs with a comma and no spaces. A hyphen designates a range of IDs. Default Configuration All VLANs allowed. VLAN Commands 347