SMC Networks SMC6824M Manual de usuario Pagina 528

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VLAN C
OMMANDS
4-236
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).
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.
Example
The following example shows how to set the interface to port 1 and then
enable ingress filtering:
Console(config)#interface ethernet 1/1
Console(config-if)#switchport ingress-filtering
Console(config-if)#
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