Cisco ONS 15454 SDH Specifications Page 384

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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
71329
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