Configuring Many-To-One Vlan Mapping - 3Com S7906E Configuration Manual

To do...
Specify the CVLAN for the
VLAN mapping
Exit to system view
Create a QoS policy and enter
QoS policy view
Map the SVLAN to the CVLAN
by associating the traffic class
with the traffic behavior
Exit to system view

Configuring Many-to-One VLAN Mapping

Configuring Many-to-One VLAN Mapping
Configuration prerequisites
All service terminals of home users are using DHCP for obtaining an IP address. For how to get an
IP address through DHCP, refer to DHCP Configuration in the IP Services Volume.
The CVLAN-to-SVLAN mappings have been planned.
Configuration procedure
Follow these steps to configure a many-to-one VLAN mapping:
Enter system view
Enable DHCP snooping
Enable ARP
detection on the
CVLANs and the
SVLAN for the
VLAN mapping
Configure an uplink policy to map the
CVLANs to the same SVLAN
Enter the interface view of the
downlink port
Set the link type of the downlink port to
trunk
Configure the downlink port to permit
the specified CVLANs and SVLANs to
pass through
remark customer-vlan-id
vlan-id-value
quit
qos policy policy-name
classifier tcl-name behavior
behavior-name
quit
To do...
Create a VLAN
and enter VLAN
view
Enable ARP
detection
Exit to system
view
Use the command...
Use the command...
system-view
dhcp-snooping
vlan vlan-id
arp detection enable
quit
Refer to Table 1-3.
interface interface-type
interface-number
port link-type trunk
port trunk permit vlan
{ vlan-id-list | all }
1-9
Remarks
Required
—
Required
Required
—
Remarks
—
Required
Disabled by default.
Required
Disabled by default.
Repeat these steps for
all CVLANs and the
SVLAN that the VLAN
mapping involves.
Required
—
Required
Required
By default, a trunk port
permits only VLAN 1 to
pass through.