9-38
Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
Chapter 9 Ethernet Operation
E Series VLAN Support
Figure 9-31 The priority queuing process
9.6.3 E Series VLAN Membership
This section explains how to provision Ethernet ports for VLAN membership. For initial port
provisioning (prior to provisioning VLAN membership) see the “E Series Port Provisioning” section on
page 9-10.
Table 9-5 Priority Queuing
User Priority Queue Allocated Bandwidth
0,1,2,3 Low 30%
4,5,6,7 High 70%
Data Flow
No priority
ONS 15454
SDH
ONS 15454
SDH
ONS 15454 SDH
maps a frame
with port-based priority using
a Q-tag.
The receiving
ONS 15454 SDH
removes the Q-tag and
forwards the frame.
ONS 15454 SDH
uses a Q-tag to
map a frame with priority and
forwards it on.
The receiving
ONS 15454 SDH
receives the frame with a
Q-tag and forwards it.
Priority tag
removed
Priority
Priority
Priority
Same
priority
ONS 15454
SDH
ONS 15454
SDH
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