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Quality of Service (QoS): Managing Bandwidth More Effectively
Preparation for Configuring QoS
For more on how QoS operates with the preceding traffic types, see
‘‘Precedence Criteria for QoS Classifiers’’, on page 6-11.)
2. Select the QoS option you want to use. Table 6-7 lists the traffic types (QoS
classifiers) and the QoS options you can use for prioritizing or setting a
policy on these traffic types:
Table 6-7. Applying QoS Options to Traffic Types Defined by QoS Classifiers
QoS Options for Prioritizing Outbound Traffic QoS Classifiers
UDP/
TCP
IP
Device
IP-ToS
Precedence
IP-
DiffServ
VLAN
-ID
Source
-Port
Option 1:
Configure
802.1p
Priority
Rules Only
Prioritize traffic by sending specific packet types
(determined by QoS classifier) to different
outbound port queues on the switch.
Rely on VLAN-tagged ports to carry packet
priority as an 802.1p value to downstream
devices.
Yes Yes Yes
1
Yes Yes Yes
Option 2:
Configure
ToS DSCP
Policies
with
802.1p
Priorities
Prioritize traffic by sending specific packet types
(determined by QoS classifier) to different
outbound port queues on the switch.
Propagate a service policy by reconfiguring the
DSCP in outbound IP packets according to
packet type. The packet is placed in an outbound
port queue according to the 802.1p priority
configured for that DSCP policy. (The policy
assumes that downstream devices can be
configured to recognize the DSCP in IP packets
and implement the service policy it indicates.)
Use VLAN-tagged ports to include packet
priority as an 802.1p value to downstream
devices.
Yes Yes No Yes Yes Yes
1
In this mode the configuration is fixed. You cannot change the automatic priority assignment when using IP-ToS
Precedence as a QoS classifier.
3. If you want to include 802.1p priority settings in outbound packets, ensure
that tagged VLANs are configured on the appropriate downstream links.
4. Determine the actual QoS configuration changes you will need to make
on each QoS-capable device in your network in order to implement the
desired policy. Also, if you want downstream devices to read and use
DSCPs in IP packets from the switch, configure them to do so by enabling
ToS Differentiated Service mode and making sure the same DSCP policies
are configured.
5. Before configuring QoS on a switch, refer to the next section, “Planning
a QoS Configuration” for information on per-port QoS resource use.
6-14
- ProCurve Switches 1
- ProCurve 3
- Switch 2610 Series 3
- Switch 2610-PWR Series 3
- 3 GVRP 6
- 5 Spanning-Tree Operation 8
- Effectively 9
- 7 IP Routing Features 11
- 8 ProCurve Stack Management 12
- Product Documentation 15
- Software Feature Index 16
- Getting Started 21
- Conventions 22
- Command Prompts 23
- Screen Simulations 23
- Sources for More Information 24
- Need Only a Quick Start? 25
- Static Virtual LANs (VLANs) 27
- ProCurve Switch 32
- Overview of Using VLANs 33
- Multiple VLAN Considerations 36
- 2610 Switch 41
- Multiple-Forwarding 41
- Database Switch 41
- Adding or Editing VLAN Names 43
- Default VLAN 44
- Changing the Primary VLAN 52
- 802.1Q VLAN Tagging 56
- The Secure Management VLAN 60
- Preparation 62
- IP Interfaces 65
- VLAN MAC Addresses 65
- VLAN Restrictions 66
- Jumbo Packet Support 66
- General Operation 70
- GVRP Enabled 73
- (Required for Unknown 73
- VLAN operation.) 73
- Unknown VLAN Settings 73
- Default: 73
- Joining 74
- GVRP and VLAN Access Control 76
- Planning for GVRP Operation 77
- Configuring GVRP On a Switch 77
- GVRP Operating Notes 83
- IGMP Features 87
- IGMP Terms 88
- IGMP Operating Features 89
- ProCurve(vlan-1)# ip igmp 92
- ■ Ports A1 - A2: Auto 93
- ■ Ports A3 - A4: Forward 93
- ■ Ports A5 - A6: Block 93
- IGMP Operating Notes 96
- Supported Standards and RFCs 97
- Automatic Fast-Leave IGMP 98
- Forced Fast-Leave IGMP 101
- . The following commands now 102
- Note on VLAN 103
- Numbers 103
- How IGMP Operates 104
- 6 specifies port A6 104
- 49 indicates port C1 105
- Using the Switch as Querier 106
- Multicast Filtering 107
- Spanning-Tree Operation 109
- Contents 110
- Overview 111
- Table 5-4. 802.1s Features 112
- 10, 11, 12 Yes No 113
- 20, 21, 22 No Yes 113
- Region “A”: Logical Topology 114
- Spanning Tree Options 115
- RSTP (802.1w) 116
- STP (802.1D) 116
- How STP and RSTP Operate 117
- Spanning Tree (RSTP) 119
- Configuring RSTP 121
- CLI: Configuring RSTP 122
- Menu: Configuring RSTP 128
- [Device Features] 130
- Menu: Configuring 802.1D STP 131
- *) at the 132
- CLI: Configuring 802.1D STP 134
- STP Fast Mode 138
- Mode = Uplink) only on the 140
- Terminology 141
- Operating Notes 152
- MSTP Structure 155
- How MSTP Operates 157
- Region “X” 158
- Spanning Tree (CST) 159
- Operating Rules 162
- Steps for Configuring MSTP 165
- Parameters 167
- Command Page 180
- Displaying MSTP Statistics 182
- Troubleshooting 189
- Bandwidth More Effectively 191
- Introduction 193
- • IP-device (address) 194
- • VLAN-ID (VID) 194
- • Source-Port 194
- Note On Using 199
- Multiple 199
- Criteria 199
- Planning a QoS Configuration 205
- QoS UDP/TCP Priority 211
- ■ 802.1p priority 212
- Combining 214
- Policy Types 214
- The DSCPs for this 216
- 802.1p priority level 216
- DSCP Policies 217
- Configured in this Step 217
- Classifier 217
- DSCP Policy 217
- QoS IP-Device Priority 218
- No-override) 221
- Configured in this step 223
- Default ToS Configuration 225
- Current ToS Configuration 225
- No-override. Note that 228
- Assignments 229
- ToS Option: 235
- QoS VLAN-ID (VID) Priority 236
- No- override 237
- Priorities 241
- Configured 241
- QoS Source-Port Priority 242
- In this instance, No 243
- No-override. See figure 6 245
- Configured in 247
- Effect of “No-override” 251
- QoS Messages in the CLI 255
- IP Routing Features 259
- Overview of IP Routing 261
- IP Tables and Caches 262
- IP Route Table 263
- IP Forwarding Cache 263
- Switches 266
- Enabling Proxy ARP 270
- Configuring ICMP 272
- Configuring Static IP Routes 274
- Static Route Types 275
- Static IP Route Parameters 275
- Configuring a “Null” Route 277
- Configuring IRDP 280
- Enabling IRDP Globally 281
- Displaying IRDP Information 283
- Configuring DHCP Relay 284
- Enabling DHCP Relay 285
- Configuring a Helper Address 285
- DHCP Option 82 286
- Option 82 Server Support 287
- Option 82 Field Content 290
- Forwarding Policies 292
- Multinetted VLANs 296
- UDP Broadcast Forwarding 300
- Configuration 304
- ProCurve Stack Management 307
- Operation 310
- General Stacking Operation 312
- Operating Rules for Stacking 313
- Specific Rules 314
- Configuring Stack Management 316
- ■ No Manager password 317
- Configure Stacking 319
- [3] to select Stack 320
- [E] (for Edit). Then 320
- [E] (for Edit) 323
- [Tab] to select the 323
- [B] (for Back) to return to 327
- Another Stack 331
- Monitoring Stack Status 332
- Stacking 336
- Big_Waters 340
- Yes. When 342
- SN of 2, you 344
- MAC Address for 345
- Stack Commander 345
- Auto Join disabled 346
- Transmission Interval 351
- [?] in the web 352
- Status Messages 353
- Numerics 355
- 2 – Index 356
- Index – 3 357
- 4 – Index 358
- Index – 5 359
- 6 – Index 360
- Index – 7 361
- 8 – Index 362
- Development Company, L.P 364
- December 2007 364
- Manual Part Number 364
- 5991-8641 364
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