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Packet Over SONET Module Installation and User Guide 3-43
Configuring QoS Functions
Configuring QoS Functions
The ExtremeWare software and the Extreme Networks switch architecture provide a
number of Quality of Service (QoS) functions, which are described in detail in the
ExtremeWare Software User Guide. This section describes how these QoS functions, such
as Differentiated Services (DiffServ) and Random Early Detection (RED) are supported
on the PoS module.
This section assumes some familiarity with the Extreme Networks
implementation of QoS and DiffServ features as described in the ExtremeWare
Software User Guide. For more information about QoS and DiffServ features
supported by ExtremeWare, see the ExtremeWare Software User Guide.
This section contains information on the following topics:
• Summary of QoS-Related Commands on page 3-43
• Configuring a QoS Profile on page 3-44
• Classification and Replacement Policies on page 3-46
• Configuring DiffServ on page 3-47
• Enhanced RED Support on page 3-51
Summary of QoS-Related Commands
Table3-7 contains an alphabetical list of the QoS-related commands that support the
PoS module. Commands with keywords or parameters shown in italic typeface are
existing ExtremeWare commands that have been enhanced to support the PoS module.
Each command is described in detail in the sections that follow.
Table 3-7: QoS-Related Commands
Command Description
config diffserv dscp-mapping
<input_codepoint>/<output_codepoint>
ports <portlist> {egress {no-congestion |
congestion} | ingress}
Configures a mapping between an input DiffServ
code point (DSCP) and an associated output
DSCP for the specified PoS ports.
config diffserv examination code-point
<code_point> qosprofile <qosprofile>
ports <portlist> {low-drop-probability |
high-drop-probability}
Configures the mapping between a DSCP and a
specified QoS profile.
Added keywords for low-drop-probability and
high-drop-probability.
- Packet Over SONET 1
- Module Installation and 1
- User Guide 1
- Contents 3
- 3 Configuring the PoS Module 4
- Contents v 5
- Related to the PoS Module 6
- Figures ix 9
- Ta bl es xi 11
- Introduction 13
- Conventions 14
- Related Publications 15
- Overview 17
- BlackDiamond I/O Modules 18
- About the PoS Modules 19
- Physical Description 20
- PoS Module LED Indicators 21
- Service Ports 21
- Feature Summary 23
- Function Summary 25
- Jumbo Frames 26
- Service Provider Features 27
- NetFlow Statistics 28
- Installing or Replacing a 31
- PoS Module 31
- Cables and Connectors 33
- Safety Information 34
- I/O Module Slot Locations 35
- 1234AB5678 36
- LED Indicators 40
- Troubleshooting 41
- Fixing Configuration Errors 43
- Fixing Power-Related Problems 45
- Fixing Link Down Problems 45
- Tools and Equipment 46
- Removing an I/O Module 47
- BlackDiamond 1 52
- BlackDiamond 2 52
- Routing Over PoS Ports 54
- APS Port Redundancy 56
- APS Module Redundancy 57
- APS Switch Redundancy 58
- Configuring SONET Framing 61
- Configuring SONET Clocking 62
- -error_rate 63
- Configuring the Signal Label 65
- SONET Events 67
- PPP Background Information 70
- VLAN xVLAN a 72
- IP Router 72
- Configuring the PoS Checksum 75
- Configuring PoS Scrambling 75
- Configuring Link Maintenance 76
- Displaying PPP Information 84
- Configuring a QoS Profile 92
- Configuring DiffServ 95
- DiffServ Classification 96
- Enhanced RED Support 99
- Configuring the PoS Module 100
- Configuring QoS Functions 101
- QoS Monitor 107
- Intra-Subnet QoS 107
- Export Criteria 112
- Unconfiguring Flow Statistics 120
- BlackDiamond 123
- Protection line 123
- Working line 123
- Virtual router 124
- Virtual APS router 127
- 192.168.10.1 192.168.10.2 127
- SONETPoS PoS 127
- Neighbor PPP router 127
- APS Benefits 130
- Table 3-16: APS Commands 134
- Enabling and Disabling APS 135
- Adding a Port to an APS Group 136
- Configuring APS Timers 139
- Configuring APS Lockout 140
- MIB Support for APS 144
- Configuring Port Tunneling 145
- Customer 146
- Configuring Port Attributes 150
- Jumbo Frame Support 152
- Configuring IGMP Attributes 153
- ExtremeWare Command 155
- New ExtremeWare Commands 156
- New Commands 157
- Changed Commands 159
- Supported MIBs and Standards 165
- SONET/SDH Support 166
- PPP Support 166
- QoS and DiffServ Support 167
- Flow Statistics Support 168
- Standards Supported for APS 169
- MIBs Supported for APS 169
- Numerics 171
- Index of Commands 177
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