With VLAN stacking, if one ISP provisioned an end user into “VLAN 1”, and another ISP provisioned one of their end users into “VLAN 1”, the two end users would not receive each other’s traffic.

Figure 6-5 VLAN Mode Setting Dialog

Item

Description

VLAN mode

Single VLAN: The single VLAN Mode confirms to the normal 802.1Q VLAN support and

 

the system will continue to work as is in the current model without VLAN stacking.

 

Double VLAN: VLAN used in VLAN aware networks based on 802.1Q bridging is called

 

C-VLAN (Customer-VLAN), and can be uniquely identified by a C-VLAN tag VLAN that

 

encapsulates Customer traffic in Provider network is called S-VLAN or Service VLAN

 

and is identified by an S-VLAN ID, used as second VLAN tag. In this mode the features

 

can be used to meet custom VLAN stacking requirements.

 

 

 

Press the ‘Apply’ button to confirm the setting.

 

 

 

Table 6-3 VLAN Mode Setting Description

YML856 Rev3

NCT480 IP DSLAM User Guide

www.netcomm.com.au

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Image 83
NetComm NCT480 manual Vlan mode, Can be used to meet custom Vlan stacking requirements