beautypg.com

Assigning an access port to a vlan – H3C Technologies H3C S5120 Series Switches User Manual

Page 148

background image

1-6

Actions (in the inbound direction)

Port type

Untagged frame

Tagged frame

Actions (in the outbound

direction)

Access

Tag the frame with the
default VLAN tag.

z

Receive the frame if its
VLAN ID is the same as
the default VLAN ID.

z

Drop the frame if its
VLAN ID is different
from the default VLAN
ID.

Remove the default VLAN
tag and send the frame.

Trunk

z

Remove the tag and send
the frame if the frame
carries the default VLAN
tag and the port belongs
to the default VLAN.

z

Send the frame without
removing the tag if its
VLAN is carried on the
port but is different from
the default one.

Hybrid

Check whether the
default VLAN is
permitted on the port:

z

If yes, tag the frame
with the default
VLAN tag.

z

If not, drop the
frame.

z

Receive the frame if its
VLAN is carried on the
port.

z

Drop the frame if its
VLAN is not carried on
the port.

Send the frame if its VLAN is
carried on the port. The
frame is sent with the VLAN
tag removed or intact
depending on your
configuration with the port
hybrid vlan
command. This
is true of the default VLAN.

Assigning an Access Port to a VLAN

You can assign an access port to a VLAN in VLAN view, interface view, or port group view.

1) In VLAN view

Follow these steps to assign one or multiple access ports to a VLAN in VLAN view:

To do…

Use the command…

Remarks

Enter system view

system-view

Enter VLAN view

vlan vlan-id

Required

If the specified VLAN does not exist,
this command creates the VLAN first.

Assign one or a group of
access ports to the current
VLAN

port interface-list

Required

By default, all ports belong to VLAN 1.

In VLAN view to assign a Layer-2 aggregate interface to a VLAN, this command assigns the Layer-2

aggregate interface but not its member ports to the current VLAN.

2) In interface or port group view