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AT-GS950/16
Allied Telesis AT-GS950/16 User Manual
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Chapter 4: STP and RSTP
80
Figure 27. STP and VLAN Compatibility with Tagge
d Ports
Note
For information about tagged
and untagged ports, refer to Chapter
13, “VLAN Overview” on page 158.
79
81
Table of Contents
Default Chapter
3
Table of Contents
3
List of Figures
11
List of Tables
15
Preface
17
Document Conventions
18
Allied Telesis Contact Information
19
Getting Started
21
Chapter 1 : Starting a Web Browser Session
23
Establishing a Remote Connection to the Web Browser Interface
24
Figure 1. Entering a Switch's IP Address in the URL Field
24
Figure 2. Management Login Dialog Box
24
Figure 3. AT-GS950/16 Switch Information Page
25
Figure 4. Front Panel Page
26
Web Browser Tools
27
Quitting a Web Browser Management Session
28
Chapter 2 : System Configuration
29
System Management Information
30
Figure 5. AT-GS950/16 Management Page
30
Configuration of Ipv4 Address, Subnet Mask and Gateway Address
32
Figure 6. Ipv4 Setup Page
32
Ipv6 System Configuration
34
Figure 7. Ipv6 System Settings Page
34
Ipv6 Neighbor Configuration
36
Create an Ipv6 Neighbor List
36
Figure 8. Ipv6 Neighbor Settings Page
36
Delete an Ipv6 Neighbor Entry
37
Find an Ipv6 Neighbor
37
Figure 9. Ipv6 Neighbor Settings Page with Addresses
37
Figure 10. Example Search with Neighbor Ipv6 Address
38
Figure 11. Example Search with Link Layer MAC Address
38
Figure 12. Example Search with both Addresses
39
IP Access List Configuration
40
Create an IP Access List
40
Figure 13. IP Access List Page
40
Delete an IP Address List Entry
41
User Name and Password Configuration
42
Add New User Name and Password
42
Figure 14. Administration Page
42
Modify User Name and Password
43
Figure 15. Administration Page Example
43
Delete User Name and Password
44
Figure 16. Modify Administration Page
44
User Interface Configuration
45
SNMP Interface
45
Figure 17. User Interface Page
45
User Interface Timeout
46
Group Interval
46
System Time
47
Manually Setting System Time
47
Figure 18. System Time Page
47
Setting SNTP
48
Setting Daylight Savings Parameters
49
SSL Settings
50
Configuring SSL
50
Figure 19. SSL Settings Page
50
DHCP and ATI Web Discovery Tool
52
DHCP Client Configuration
53
Activate or Deactivate DCHP for Ipv4
53
Activate or Deactivate DCHP for Ipv6
54
DHCP Auto Configuration
56
Figure 20. DHCP Auto Configuration Settings Page
56
System Information Display
57
Figure 21. AT-GS950/16 Switch Information Page
57
System Log Configuration
60
Figure 22. System Log Configuration Page
60
Bridge Configuration
63
Chapter 3 : Port Configuration
65
Overview
66
Displaying and Configuring Ports
67
Figure 23. AT-GS950/16 Physical Interface Page
67
Chapter 4 : STP and RSTP
71
Overview
72
Bridge Priority and the Root Bridge
73
Forwarding Delay and Topology Changes
75
Table 1. Valid Port Priority Values
75
Figure 24. Point-To-Point Ports
77
Figure 25. Edge Port
77
Mixed STP and RSTP Networks
78
Spanning Tree and Vlans
78
Figure 26. STP and VLAN Fragmentation with Untagged Ports
79
Figure 27. STP and VLAN Compatibility with Tagged Ports
80
STP and RSTP Global Settings
81
Figure 28. Spanning Tree Protocol Settings Page
81
STP and RSTP Port Settings
84
Figure 29. Port Settings Page
84
Chapter 5 : Multiple Spanning Tree Protocol
87
MSTP Global Settings
88
Figure 30. Spanning Tree Protocol Settings Page
88
Generic MSTP Port Settings
91
Figure 31. Port Settings Page
91
MST Settings
94
Open MST Settings Page
94
Specify Region and Revision Level
94
Figure 32. MST Settings Page
94
Create VLAN Mapping to MST Instance
95
Modify MST Instance
95
Delete MST Instance
95
MST Port Settings
96
Figure 33. MST Port Settings Page
96
Instance Information
98
Figure 34. Instance Information Page
98
Chapter 6 : Static Port Trunking
99
Overview
100
Figure 35. Static Port Trunk Example
100
Create a Port Trunk
103
Figure 36. Trunking Page
103
Modify a Port Trunk
105
Disable a Port Trunk
107
Chapter 7 : LACP Port Trunks
109
Overview
110
System Priority
111
Port Priority Value
112
General Guidelines
113
Group Status
115
Figure 37. LACP Group Status Page
115
Configuration Example
116
Figure 38. LACP Group Status Page with no Cables Connected
116
Figure 39. LACP Group Status Page with Three Cables Connected
117
Port Priority Configuration
118
Figure 40. AT-GS950/16 Port Priority Page
118
Chapter 8 : Port Mirroring
119
Overview
120
Port Mirroring Configuration
121
Figure 41. AT-GS950/16 Mirroring Page
121
Disable Port Mirroring
123
Chapter 9 : Loopback Protection
125
Configuration
126
Figure 42. AT-GS950/16 Loopback Detection Page
126
Status
128
Chapter 10 : MAC Address Table
129
Overview
130
Static Unicast MAC Address Configuration
132
Figure 43. AT-GS950/16 Static Unicast Address Table Page
132
Figure 44. Static Unicast Address Table with Port-Based VLAN Example
133
Modify Static Unicast Address
134
Figure 45. Modify Static Unicast Address Page
134
Delete Static Unicast Address
135
Static Multicast Address Configuration
136
Figure 46. Static Multicast Address Table Page
136
Figure 47. Static Multicast Address Table Example
137
Modify Static Multicast Address
139
Figure 48. Modify Static Multicast Address Page
139
Delete Static Multicast Address
140
Chapter 11 : IGMP Snooping
141
Overview
142
IGMP Snooping Configuration
144
Figure 49. IGMP Snooping Settings Page
144
Figure 50. IGMP Snooping Page with MAC Address
146
IGMP Snooping Router Port Modification
147
Figure 51. IGMP Snooping Router Port Page
147
Figure 52. Modify IGS Static Router Port Page
147
Chapter 12 : Storm Control
149
Overview
150
Ingress Rate Limiting
151
Egress Rate Limiting
151
Configuration
152
Figure 53. AT-GS950/16 Storm Control Page
152
Ingress Rate Limiting
154
Figure 54. AT-GS950/16 Ingress Rate Limiting Page
154
Egress Rate Limiting
156
Figure 55. AT-GS950/16 Egress Rate Limiting Page
156
Chapter 13 : Virtual Lans
157
VLAN Overview
158
Port-Based VLAN Overview
159
Tagged VLAN Overview
160
Private VLAN Overview
162
Assign Ports to a VLAN Mode
164
Figure 56. AT-GS950/16 VLAN Mode Page
164
Tagged VLAN Configuration
166
Create a Tagged VLAN
166
Figure 57. AT-GS950/16 Tagged VLAN Page
166
Modify a Tagged VLAN
168
Figure 58. Example of AT-GS950/16 Tagged VLAN Page
168
Figure 59. AT-GS950/16 Modify VLAN Page
169
Delete a Tagged VLAN
170
Tagged VLAN Port Settings
171
Figure 60. AT-GS950/16 VLAN Port Settings Page
171
Port-Based VLAN Configuration
173
Create a Port-Based VLAN
173
Figure 61. Port-Based VLAN Page
173
Modify a Port-Based VLAN
174
Figure 62. Example of AT-GS950/16 Port Based VLAN Page
174
Delete a Port-Based VLAN
175
Figure 63. Modify Port-Based VLAN Page
175
Select MAC Address Forwarding Table Mode
176
Figure 64. Forwarding Table Mode Page
176
View Dynamic Forwarding Table
177
Figure 65. Dynamic Forwarding Table Page
177
Private VLAN Configuration
179
Enable or Disable Private VLAN
179
Figure 66. Private VLAN Page
179
Create a Private VLAN
180
Modify a Private VLAN
181
Delete a Private VLAN
181
View Current VLAN Database
182
Figure 67. VLAN Current Database Page
182
Chapter 14 : GVRP
185
Overview and Guidelines
186
General Configuration
187
Figure 68. GVRP Global Settings Page
187
Port Settings
188
Figure 69. GVRP Port Settings Page
188
Time Settings
190
Figure 70. AT-GS950/16 GVRP Time Settings Page
190
Chapter 15 : Quality of Service and Class of Service
193
Overview
194
Packet Priority
194
Egress Queue Vs Packet Priority Mapping
195
Table 2. Default Mappings Priority Levels to Priority Queues
195
Table 3. Customized Mappings Priority Levels to Priority Queues
195
Prioritizing Untagged Packets
196
Scheduling
196
Table 4. Example of Weighted Round Robin Priority
197
Mapping Cos Priorities to Egress Queues
198
Figure 71. Cos Page
198
Associate Ports to Cos Priorities
200
Figure 72. AT-GS950/16 Port Priority Page
200
Associate DSCP Classes to Egress Queues
201
Figure 73. DSCP Class Mapping Page
201
Queue Scheduling Algorithm
203
Figure 74. Scheduling Algorithm Page
203
Ipv6 Traffic Class Mapping
204
Enable or Disable Ipv6 Traffic Class Mapping
204
Figure 75. Ipv6 Traffic Class Priority Settings Page
204
Create Ipv6 Traffic Class Entries
205
Figure 76. Ipv6 Traffic Class Priority Settings Page with Entries
205
Delete an Ipv6 Traffic Class Entry
206
Advanced Features
207
Chapter 16 : Snmpv1 and V2C
209
Snmpv1 and Snmpv2C Overview
210
Trap Receiver Attributes
211
Activate SNMP Interface
212
Snmpv1 and Snmpv2C User and Group Names
213
Create User and Group Names
213
Figure 77. SNMP User/Group Page
213
Figure 78. SNMP User/Group Page Example
214
Modify User and Group Names
215
Delete User and Group Names
215
SNMP Community Strings
216
Create SNMP Community Strings
216
Figure 79. Community Table Page
216
Modify SNMP Community Strings
217
Delete SNMP Community Strings
217
Figure 80. SNMP Community Table Page Example
217
SNMP Traps
219
Create Trap Host Table Entry
219
Figure 81. Trap Management Page
219
Modify a Trap Host Table Entry
220
Figure 82. Trap Management Page Example
220
Delete a Trap Host Table Entry
221
Chapter 17 : Snmpv3
223
Overview
224
Snmpv3 Authentication Protocols
224
Snmpv3 Privacy Protocol
225
Snmpv3 MIB Views
225
Figure 83. MIB Tree
225
Snmpv3 Configuration Process
226
Figure 84. Snmpv3 Table Relationships
227
Snmpv3 User and Group Names
228
Creating Snmpv3 User and Group Names
228
Modifying Snmpv3 User and Group Names
229
Figure 85. SNMP User Group, Snmpv3 Example
229
Deleting Snmpv3 User and Group Names
230
Snmpv3 View Names
231
Creating Snmpv3 View Names
231
Figure 86. SNMP Group Access Table
231
Modifying Snmpv3 View Names
233
Deleting Snmpv3 View Names
233
Figure 87. SNMP Group Access Table Example for Snmpv3
233
Snmpv3 View Table
234
Creating Snmpv3 View Table Entries
234
Figure 88. SNMP View Table
234
Modifying Snmpv3 View Table Entries
235
Deleting Snmpv3 View Table Entries
235
Figure 89. SNMP View Table Page Example
235
Snmpv3 Traps
237
SNMP Engine ID
238
Modifying SNMP Engine ID
238
Resetting SNMP Engine ID
238
Figure 90. SNMP Engine ID Settings
238
Chapter 18 : Access Control Configuration
241
Overview
242
Policy Settings
243
Create a Policy
243
Figure 91. Policy Settings Page
243
Figure 92. Ipv4 Policy Settings Page
244
Figure 93. Ipv6 Policy Settings Page
244
Change a Policy Status
247
Figure 94. Policy Settings Example
247
Modify a Policy
248
Figure 95. Modify Policy Page
248
Delete a Policy
249
View Specific Classifier Details
249
Figure 96. Classifier Detail Page
250
Rate Control Settings
251
Create a Rate Control Entry
251
Figure 97. Rate Control Settings Page
251
Modify the Committed Rate
252
Figure 98. Rate Control Settings Example
252
Delete a Rate Control Entry
253
Policy Database
254
Display Policy Sequence
254
Figure 99. Policy Database Page
254
Display Specific Policy Information
255
Figure 100. Policy Detail Page
255
Chapter 19 : RMON
257
Overview
258
Enable and Disable RMON
259
Figure 101. RMON Basic Settings Page
259
Port Statistics
260
Figure 102. Ethernet Statistics Settings Page
260
Figure 103. Ethernet Statistics Configuration Example
261
Histories
262
Figure 104. History Control Settings Page
262
Figure 105. History Control Configuration Example
263
Events
264
Figure 106. RMON Event Settings Page
264
Figure 107. RMON Event Configuration Example
265
Alarms
266
Figure 108. RMON Alarm Settings Page
267
Figure 109. RMON Alarm Configuration Example
268
Chapter 20 : Voice VLAN
269
Overview
270
Cos with Voice VLAN
270
Organization Unique Identifier (OUI)
270
Dynamic Auto-Detection Vs Static Ports
271
General Guidelines
273
Configuration
274
Figure 110. AT-GS950/16 Voice VLAN Settings Page
274
OUI Setting
277
Create OUI Setting
277
Figure 111. Voice VLAN OUI Settings Page
277
Modify OUI Setting
278
Delete OUI Setting
278
Chapter 21 : Security
279
Port Access Control
280
Port Access Control Overview
280
Port Access Control Configuration
281
Figure 112. Port Access Control Settings Page
281
Configuration Page
281
Figure 113. Expanded Port Access Control Settings Page
282
RADIUS Client
286
RADIUS Overview
286
General Guidelines
286
RADIUS Client Configuration
287
Figure 114. RADIUS Page
287
RADIUS Accounting Status
288
Figure 115. RADIUS Accounting Global Settings Page
288
Tacacs
289
TACACS+ Overview
289
General Guidelines
289
TACACS+ Configuration
290
Figure 116. TACACS+ Page
290
Dial-In User- Local Authentication
292
Dial-In User Overview
292
Dial-In User Configuration
292
Figure 117. Dial-In User Page
293
Figure 118. Dial-In User Page Example
293
Destination MAC Filter
295
Destination MAC Filter Overview
295
Destination MAC Filter Configuration
295
Delete Destination MAC Filter
296
Figure 119. Destination MAC Filter Page
296
Figure 120. Destination MAC Filter Page Example
296
Chapter 22 : DHCP Snooping
299
Overview
300
Trusted Ports
300
Untrusted Ports
300
Unauthorized DHCP Servers
300
DHCP with Option 82
301
General Guidelines
302
General Configuration
303
Enabling DHCP Snooping
303
Figure 121. General Settings Page
303
Configuring DHCP Snooping General Settings
304
VLAN Setting
306
Creating a VLAN
306
Figure 122. DHCP Snooping VLAN Settings Page
306
Modifying a VLAN
307
Deleting a VLAN
307
Trusted and Untrusted Port Configuration
308
Figure 123. AT-GS950/16 Trusted Interfaces Page
308
Figure 124. Trusted Interfaces Page Example
309
Binding Database
310
Static IP Addresses
310
Figure 125. AT-GS950/16 Binding Database Page
310
Viewing
311
Figure 126. Binding Database Page Example
311
Chapter 23 : LLDP
313
Overview
314
Global Configuration
315
Figure 127. AT-GS950/16 LLDP Global Settings Page
315
Enabling or Disabling LLDP
316
Displaying System Information
317
Setting Port States
317
Neighbors Information
318
Figure 128. LLDP Neighbors Information Page
318
Chapter 24 : Network Statistics
319
Overview
320
Traffic Comparison Statistics
321
Figure 129. Traffic Comparison Chart Page
321
Table 5 Traffic Comparison Options
322
Figure 130. Traffic Comparison Page Example
324
Error Group Statistics
325
Figure 131. Error Group Chart Page
325
Historical Status Statistics
327
Figure 132. Historical Status Chart Page
327
Table 6 Historical Status Options
328
Figure 133. Historical Statistics Page Example
330
Tools
331
Chapter 25 : Software/Configuration Updates
333
Chapter 25, "Software/Configuration Updates
333
Overview
334
Upgrade Firmware Image Via HTTP
335
Figure 134. Firmware Upgrade Via HTTP Page
336
Upgrade Firmware Image Via TFTP
337
Figure 135. Firmware Upgrade Via TFTP Page
338
Download or Upload a Configuration File Via HTTP
339
Figure 136. Configuration File Backup/Restore Via HTTP Page
339
Configuration File Download
340
Figure 137. Save Configuration File Message
340
Figure 138. Download Complete Message
340
Configuration File Upload
341
Figure 139. Select File Field with Path Location
341
Figure 140. Configuration File Restore Finished Message
341
Download or Upload a Configuration File Via TFTP
343
Configuration File Download
343
Figure 141. Configuration Backup/Restore Via TFTP Page
343
Configuration File Upload
344
Chapter 26 : Cable Diagnostics
345
Chapter 26, "Cable Diagnostics
345
Figure 142. Cable Diagnostics Page
345
Chapter 27 : LED ECO Mode
347
Chapter 27, "LED ECO Mode
347
Enable LED ECO Mode
348
Figure 143. LED ECO Mode Page
348
Figure 144. LED ECO Mode Enabled
348
Disable LED ECO Mode
349
Figure 145. LED ECO Mode in Enabled State
349
Figure 146. LED ECO Mode Disabled
349
Chapter 28 : Energy-Efficient Ethernet
351
Chapter 28, "Energy-Efficient Ethernet
351
Enable EEE
352
Figure 147. IEEE 802.3Az EEE Page
352
Disable EEE
353
Chapter 29 : Rebooting the AT-GS950/16
355
Chapter 29, "Rebooting the AT-GS950/16
355
Figure 148. Factory Default Reset/Reboot Page
356
Switch Reboot
356
Configure Factory Default Values
358
Password Protection of Factory Reset
360
Disabling Factory Default Reset Feature
360
Figure 149. Factory Default Reset/Reboot Page with Password Entry
361
Enabling Factory Default Reset
362
Figure 150. Factory Default Reset Disabled Page
362
Figure 151. Factory Default Reset/Reboot Page with Password Entry
363
Chapter 30 : Pinging a Remote System
365
Chapter 30, "Pinging a Remote System
365
Figure 152. Ping Test Settings Page
365
Figure 153. Ping Test Results Page
366
Appendix A: MSTP Overview
367
Overview
368
Multiple Spanning Tree Instance (MSTI)
370
Resolving VLAN Fragmentation
370
Figure 154. VLAN Fragmentation with STP or RSTP
370
Multiple Vlans Assigned to an MSTI
371
Figure 155. MSTP Example of Two Spanning Tree Instances
371
Figure 156. Multiple Vlans in an MSTI
372
General Guidelines
373
VLAN and MSTI Associations
374
Ports in Multiple Mstis
375
Multiple Spanning Tree Regions
376
Table 7. MSTP Region
377
MST Region Guidelines
378
Table 8. Regional Bridge Priority Value Increments
378
Common and Internal Spanning Tree (CIST)
379
MSTP with STP and RSTP
379
Associating Vlans to Mstis
381
Figure 157. CIST and VLAN Guideline - Example 1
381
Figure 158. CIST and VLAN Guideline - Example 2
382
Vlans Across Different Regions
383
Figure 159. Spanning Regions - Example 1
383
Figure 160. Spanning Regions Without Blocking
384
Summary of Guidelines
385
Appendix B: AT-GS950/16 Default Parameters
387
Table 9. AT-S114 Management Software Default Settings
387
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Allied Telesis AT-GS950/16 Specifications
General
Brand
Allied Telesis
Model
AT-GS950/16
Category
Network Router
Language
English
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