Configuration Guide (Supporting R05.6.00) Manual

Multi-Service IronWare QoS and Traffic Management Configuration Guide 177
53-1003037-02
Hierarchical QoS (HQoS) for 8x10G modules
5
Supported deployment models
HQoS for Local VPLS
Figure 11 shows a Local VPLS HQoS model. This model can be used for any kind of VLAN, such as
Customer 802.1Q VLANs (CVLAN), Provider Bridging 802.1ad VLANs (SVLAN), or Provider Backbone
Bridging 802.1ah VLANs (BVLAN). The type of VLAN being used is defined by the port Ethertype
configuration.
As Figure 11 shows HQoS for Local VPLS supports single-tagged and dual-tagged endpoint queuing
on the same egress port.
Traffic that is not explicitly mapped to one of the VLAN queues is sent to the default "other" queues
shown in the figure. The parameters of the other queue are configurable as described in “Other
traffic” on page 180.
FIGURE 11 HQoS for Local VPLS with single-tagged and dual-tagged endpoints example
10GE 1/1
Level 0
Physical Port
(10GE)
Level 1
Logical Port
(Optional)
L
evel 2
Customer
(Service Group)
(Optional)
Service #1
Level 3
Service
(Local VPLS
endpoint)
Queues
Service #2
Logical #1
3
2
1
0
Service #1,
Service #2
3
2
1
0
Scheduler Element
Strict Priority, Weighted
Fair Queuing, Mixed
Rate shaper
Queue
Scheduler Flow
“Other” Queues
7
6
5
4
3
2
1
0
N
C2
NC 1
EF
AF 4
AF 2
AF 1
CS1
BE
2
1
0
40
40
20
10
10
Strict
20 Mb/s





10 Mb/s
10 Mb/s
mixed
 = no limit, no shaping
Logical #n
Dual-tagged
Local VPLS
outer VLAN 300
inner VLAN 100
single-tagged
Local VPLS
VLAN 200
Frames that do not match any
of the congured queues
above (e.g., control trac, IP)
Egress Local VPLS port
queuing per
<Port, outer VLAN, priority>
and
<Port, outer VLAN inner VLAN, priority>