How Vlan Mapping Is Implemented - HP 4800G Series Configuration Manual

Uplink policy: A QoS policy containing VLAN mappings for uplink traffic.
Downlink policy: A QoS policy containing VLAN mappings for downlink traffic.

How VLAN Mapping Is Implemented

This section describes how VLAN mapping is implemented on your device.
One-to-one VLAN mapping
Do...
Replace the
customer VLAN
(CVLAN) with the
service provider
VLAN (SVLAN)
For information about QoS policies, refer to QoS Configuration in the QoS Volume.
Many-to-one VLAN mapping
On the downlink port
Do...
Map all specified
customer VLANs
(CVLANs) to one
service provider
VLAN (SVLAN)
For information about DHCP snooping, refer to DHCP Configuration in the IP Services Volume.
For information about QoS policies, refer to QoS Configuration in the QoS Volume.
For uplink traffic
Based on...
Uplink policy in the
inbound direction
For uplink traffic
Based on...
Uplink policy in the
inbound direction
On the downlink port
Do...
Replace the SVLAN
with the original
CVLAN
Do...
Replace the SVLAN
with the original
CVLAN
1-4
For downlink traffic
Based on...
Downlink policy in the
outbound direction
On the uplink port
For downlink traffic
Based on...
DHCP snooping
address table, which
contains mappings of
the SVLAN, IP
address, MAC
address, and CVLAN
for DHCP clients