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Command Line Interface
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switchport acceptable-frame-types
This command configures the acceptable frame types for a port. Use the no form to
restore the default.
Syntax
switchport acceptable-frame-types {all | tagged}
no switchport acceptable-frame-types
• all - The port accepts all frames, tagged or untagged.
• tagged - The port only receives tagged frames.
Default Setting
All frame types
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
When set to receive all frame types, any received frames that are untagged
are assigned to the default VLAN.
Example
The following example shows how to restrict the traffic received on port 1 to tagged
frames:
Related Commands
switchport mode (4-191)
switchport ingress-filtering
This command enables ingress filtering for an interface. Use the no form to restore
the default.
Syntax
[no] switchport ingress-filtering
Default Setting
Disabled
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• Ingress filtering only affects tagged frames.
• If ingress filtering is disabled and a port receives frames tagged for VLANs for
which it is not a member, these frames will be flooded to all other ports (except
for those VLANs explicitly forbidden on this port).
Console(config)#interface ethernet 1/1
Console(config-if)#switchport acceptable-frame-types tagged
Console(config-if)#