beautypg.com

3 flexible qinq example, Lexible, Xample – QTECH QSW-8300 Инструкция по настройке User Manual

Page 120

background image

+7(495) 797-3311 www.qtech.ru

Москва, Новозаводская ул., 18, стр. 1

119

Global mode

service-policy input<policy-map-name>

vlan

no service-policy input

vlan

Apply a policy-map to a VLAN, the no

command deletes the specified policy-

map applied to the VLAN.

4. Show flexible QinQ policy-map bound to port

Command

Explanation

Admin mode

show mls qos {interface []

Show flexible QinQ configuration on the

port.

15.3 Flexible QinQ Example

Flexible QinQ application topology

As shown in the figure, the first user is assigned three VLANs that the tag values are 1001,

2001, 3001 respectively in DSLAM1. VLAN1001 corresponds to Broad Band Network,

VLAN2001 corresponds to VOIP, VLAN3001 corresponds to VOD. After the downlink port

enables flexible QinQ function, the packets will be packed with different external tags

according to VLAN ID of users. The packet with tag 1001 will be packed an external tag 1001

directly(This tag is unique in public network), enter Broad Band Network-VLAN1001 and

classfied to BRAS device. The packet with tag 2001(or 3001) will be packed an external tag

2001(or 3001) and classfied to SR device according to the flow rules. The second user can be

assigned different VLAN tags for different VLANs in DSLAM2. Notice: The assigned VLAN tag

of the second user may be same with the first user and the packet with tag will be also packed