4-126 Sun Fire B1600 Blade System Chassis Switch Administration Guide • June 2003
Command Usage
■ Ingress filtering only affects tagged frames.
■ If ingress filtering is disabled,
the interface accepts any VLAN-tagged frame if
the tag matches a VLAN
known to the switch (except for VLANs explicitly
forbidden on this port).
■ If ingress filtering is enabled, incoming frames tagged for VLANs that do not
include this ingress port in their member set are discarded.
■ Ingress filtering does not affect VLAN independent BPDU frames, such as
GVRP or STP. However, they do affect VLAN dependent BPDU frames, such as
GMRP.
Example
The following example shows how to set the interface to port SNP1 and then
enable ingress filtering:
4.3.12.7 switchport native vlan
Use this command to configure the PVID (default VID) for an interface. Use the no
form to restore the default.
Syntax
switchport native vlan vlan-id
no switchport native vlan
vlan-id – The default VLAN ID for an interface. (Range: 1-4094, no leading
zeroes)
Default Setting
VLAN 1
Command Mode
Interface Configuration (Ethernet, Port Channel)
Console(config)#interface ethernet SNP1
Console(config-if)#switchport ingress-filtering
Console(config-if)#