SGS-6341-Series User Manual

3. Bind flexible Q-in-Q policy-map to port
Command Explanation
Port Mode
service-policy input <policy-map-name>
no service-policy input <policy-map-name>
Apply a policy-map to a port, the no
command deletes the specified
policy-map applied to the port.
4. Show flexible Q-in-Q policy-map bound to port
Command Explanation
Admin Mode
show mls qos {interface ethernet
[<interface-id>]
Show flexible Q-in-Q configuration on the
port.
25.2 Flexible Q-in-Q Example
Insert Metropolitan Area
Network Platform
Metropolitan Area
Core Network
DSLAM1
DSLAM2
BRAS
SR
Broad Band
VOIP
Video order programme
DSCP
DSCP
DSCP
10
20
30
1001
2001
3001
1001
2001
3001
TAG
TAG
TAG
TAG
TAG
TAG
DSCP
DSCP
DSCP
10
20
30
DSCP
DSCP
DSCP
10
20
30
DSCP
DSCP
DSCP
10
20
30
Figure 25-1: Flexible Q-in-Q application topology
As shown in the figure, the first user is assigned three DSCPs that the values are 10, 20, 30
respectively in DSLAM1. DSCP10 corresponds to Broad Band Network, DSCP20 corresponds
to VOIP, DSCP30 corresponds to VOD. After the downlink port enables flexible QinQ function,
the packets will be packed with different external tags according to DSCP of users. DSCP10
25-5
User’s Manual of SGS-6341 series