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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 e8 to discard untagged frames at ingress.
Console (config)# interface ethernet e8
Console (config-if)# switchport general acceptable-frame-type tagged-only
5.27.15 switchport forbidden vlan
The switchport forbidden vlan interface configuration 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.
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