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Switchport ingress-filtering – SMC Networks SMC Tiger 10/100 SMC6128PL2 User Manual

Page 536

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Command Line Interface

4-228

4

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 (4-227)

switchport ingress-filtering

This command enables ingress filtering for an interface.

Note:

Although the ingress filtering command is available, the switch has ingress filtering
permanently set to enable. Therefore, trying to disable the filtering with the
no switchport ingress-filtering command will produce this error message:
“Note: Failed to ingress-filtering on ethernet interface !”

Syntax

switchport ingress-filtering
no switchport ingress-filtering

Default Setting

Enabled

Command Mode

Interface Configuration (Ethernet, Port Channel)

Command Usage

• Ingress filtering only affects tagged frames.
• With ingress filtering enabled, a port will discard received frames tagged for

VLANs for it which it is not a member.

• Ingress filtering does not affect VLAN independent BPDU frames, such as

GVRP or STA. However, they do affect VLAN dependent BPDU frames, such
as GMRP.

Console(config)#interface ethernet 1/1
Console(config-if)#switchport acceptable-frame-types tagged
Console(config-if)#