3Com S7902E, Configuration Manual

Page: 236 / 2621

1-13
Follow these steps to configure a two-to-two VLAN mapping:
To do... Use the command... Remarks
Enter system view system-view —
Configure an uplink policy for
the uplink port to replace the
original CVLAN with the new
CVLAN
Refer to Table 1-5 . Required
Configure an uplink policy for
the downlink port to replace the
original SVLAN with the new
SVLAN
Refer to Table 1-6 . Required
Configure a downlink policy for
the downlink port to replace the
new SVLAN and CVLAN with
the original SVLAN and CVLAN
Refer to Table 1-7 . Required
Enter the interface view of the
downlink port interface interface-type
interface-number
—
Configure the downlink port as
a trunk port
port link-type trunk Required
Configure the downlink port to
permit the packets of the
SVLANs to pass through
port trunk permit vlan
{ vlan-id-list | all }
Required
By default, a trunk port permits
only the packets of VLAN 1 to
pass through.
Apply the uplink policy for the
downlink port to the inbound
direction of the downlink port
qos apply policy policy-name
inbound
Required
Apply the downlink policy for
the downlink port to the
outbound direction of the
downlink port
qos apply policy policy-name
outbound
Required
Exit to system view quit —
Enter the interface view of the
uplink port
interface interface-type
interface-number
—
Configure the uplink port as a
trunk port
port link-type trunk Required
Configure the uplink port to
permit the packets of the
SVLANs to pass through
port trunk permit vlan
{ vlan-id-list | all }
Required
By default, a trunk port permits
only the packets of VLAN 1 to
pass through.
Apply the uplink policy for the
uplink port to the outbound
direction of the uplink port
qos apply policy policy-name
outbound
Required
Table 1-5 Configure an uplink policy for the uplink port
To do... Use the command... Remarks
Enter system view
system-view
—