Command Line Interface
8591553-KDU 137 365 Uen D 2006-06-16
Related Commands
switchport mode (section 7.17.6 on page 857)
7.17.8 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
Enabled
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).
• If ingress filtering is enabled and a port receives frames tagged for
VLANs for which it is not a member, these frames will be discarded.
• 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.
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