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Table of contents
TROUBLESHOOTING
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1-7
--- 1 mac address(es) found ---
# View the ag
ing time of dy
namic MAC address entries.
[Sysname] display mac-address aging-time
Mac address aging time: 500s
1
2
...
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...
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745
Configuration Guide
1
All Rights Reserved
2
Trademarks
2
Preface
3
1 About This Document
4
Conventions
8
2 Documentation Guide
9
Technical Support
10
Documentation Feedback
10
3 Product Features
11
Distribution Layer Switches
12
Access Switches
12
S9500/S7500E
13
S5120-SI
13
Core/Aggregation
13
1 CLI Configuration
15
Entering CLI Through Telnet
20
Command Conventions
21
CLI View Description
22
Command View Reference
23
Login command views
24
Tips on Using the CLI
28
Typing and Editing Commands
29
Undo Form of a Command
31
Controlling CLI Display
31
Saving Configurations
34
Supported User Interfaces
37
User Interface Number
37
Common Configuration
42
Password
47
Logging In Through SSH
66
Management System
67
Displaying Web Users
68
5 Logging In Through NMS
70
Packets
72
7 Controlling Login Users
73
[Sysname] ip http acl 2030
80
Ethernet Port Configuration
82
Configuring a Port Group
86
Configuration
95
Null Interface
96
Operational key
100
Configuration classes
100
Reference port
101
LACP protocol
101
Link aggregation modes
102
Selecting a reference port
103
Configuration Guidelines
106
Network requirements
110
Configuration procedure
110
Table of Contents
115
Port Isolation Configuration
116
Networking requirements
117
Port Mirroring Configuration
120
1 LLDP Configuration
125
LLDPDUs
127
How LLDP Works
129
LLDP Configuration Task List
130
Enabling LLDP
131
Enabling LLDP Polling
132
Configuration Prerequisites
135
Configuring LLDP Trapping
136
LLDP Configuration Examples
137
LLDP status on Switch A
139
3) Verify the configuration
141
1 VLAN Configuration
143
VLAN Fundamentals
144
Types of VLAN
145
Port link type
147
Default VLAN
147
interface vlan-interface
151
[ vlan-interface-id ]
151
[ interface-type
151
VLAN Configuration Example
152
Verification
153
2 Voice VLAN Configuration
154
Voice VLAN Assignment Modes
155
Configuring a Voice VLAN
158
1 MSTP Configuration
166
Basic Concepts in STP
167
How STP works
168
STP timers
173
Introduction to RSTP
174
Introduction to MSTP
174
Basic Concepts in MSTP
175
Common root bridge
177
Boundary port
177
Roles of ports
177
Port states
178
How MSTP Works
179
MSTP Configuration Task List
180
Configuring MSTP
181
Configuring Timers of MSTP
185
Configuration example
190
Configuring Port Priority
191
Enabling the MSTP Feature
193
Performing mCheck
194
Configuration Procedure
195
Configuration Example
195
Configuring Digest Snooping
196
GE1/0/2 GE1/0/2
198
Configuration prerequisites
200
Enabling BPDU guard
200
Enabling Root guard
201
Enabling Loop guard
202
Enabling TC-BPDU guard
203
MSTP Configuration Example
204
Figure 1-13
207
IP Addressing Configuration
210
Special IP Addresses
211
Subnetting and Masking
211
Configuring IP Addresses
212
Directly Connected Network
215
Configuring TCP Attributes
216
1 ARP Configuration
222
ARP Operation
223
Configuring ARP
224
Enabling the ARP Entry Check
226
ARP Configuration Example
226
Configuring Gratuitous ARP
227
Introduction
229
Configuring ARP Detection
231
Man-in-the-middle attack
232
ARP detection mechanism
232
Application Environment
241
Fundamentals
241
Enabling DHCP
243
Prerequisites
247
Symptom
251
Analysis
251
Solution
251
2 DHCP Client Configuration
252
DHCP Snooping Configuration
254
Untrusted Untrusted
255
BOOTP Client Configuration
262
Through BOOTP
263
Network requirement
264
1 FTP Configuration
266
Configuring the FTP Client
267
Configuring the FTP Server
273
2 TFTP Configuration
278
Configuring the TFTP Client
279
IP Routing and Routing Table
284
Static Routing Configuration
288
Configuring a Static Route
289
1 Multicast Overview
295
Broadcast
296
Multicast
297
Features of Multicast
298
Advantages of multicast
299
Applications of multicast
299
Multicast Models
300
Multicast Architecture
300
Multicast Addresses
301
Multicast Protocols
303
Layer 2 multicast protocols
304
IGMP Snooping Configuration
306
GE1/0/1 GE1/0/2
307
How IGMP Snooping Works
308
IGMP Snooping Proxying
310
Protocols and Standards
311
Enabling IGMP Snooping
312
Configuring Static Ports
315
Multicast VLAN Configuration
338
Configuring Multicast VLAN
339
Network requirements
342
Network diagram
343
1 QoS Overview
348
QoS Techniques Overview
349
2 QoS Policy Configuration
350
Defining a Traffic Behavior
352
Defining a Policy
352
Applying the QoS Policy
353
Priority Mapping Overview
355
Priority Mapping Tables
356
Priority Mapping Procedure
356
Configuring Priority Mapping
357
4 Line Rate Configuration
361
<Sysname> system-view
362
SP queuing
364
WRR queuing
364
Configuring SP Queuing
366
Configure WRR Queuing
367
Configuring SP+WRR Queuing
368
Traffic Filtering Overview
370
Traffic Redirecting Overview
373
8 Appendix
374
802.1p Priority
376
1 802.1X Configuration
379
Basic Concepts of 802.1X
380
EAP over LAN
381
EAP Packet Format
382
EAP over RADIUS
383
EAP relay
384
EAP termination
386
802.1X Access Control Method
387
802.1X Timers
387
VLAN assignment
388
Guest VLAN
389
Auth-Fail VLAN
389
ACL assignment
390
802.1X Basic Configuration
391
Enabling 802.1X for a port
392
Enabling the Quiet Timer
394
Configuring a Guest VLAN
395
802.1X Configuration Example
397
Internet
400
1 AAA Configuration
407
Introduction to RADIUS
408
RADIUS Packet Format
410
AAA Configuration Task List
414
Configuring AAA
415
[ flow ]
416
Configuring RADIUS
424
Creating a RADIUS Scheme
425
430
AAA Configuration Examples
434
Troubleshooting AAA
444
1 PKI Configuration
447
Architecture of PKI
448
Applications of PKI
449
Operation of PKI
449
PKI Configuration Task List
450
Configuring an Entity DN
450
Configuring a PKI Domain
452
Deleting a Certificate
457
PKI Configuration Examples
459
Troubleshooting PKI
467
Failed to Retrieve CRLs
468
1 SSL Configuration
470
SSL Protocol Stack
471
SSL Configuration Task List
472
Troubleshooting SSL
476
1 SSH2.0 Configuration
479
Version negotiation
480
Authentication
481
Session request
482
Interaction
482
Configuring an SSH User
485
192.168.0.2/24
490
Vlan-int1
490
192.168.0.1/24
490
2 SFTP Service
501
Configuring an SFTP Client
502
Working with SFTP Files
504
Displaying Help Information
504
1 Public Key Configuration
512
2) Configure Device B
517
1 HABP Configuration
522
Configuring HABP
523
HABP Configuration Example
524
1 ACL Configuration
527
ACL Classification
528
ACL Numbering and Naming
528
Match Order
528
ACL Rule Numbering Step
529
ACL Configuration Task List
530
Configuring an ACL
531
Configuring an Advanced ACL
533
Copying an ACL
535
ACL Configuration Examples
537
1 Device Management
539
Rebooting a Device
540
Upgrading Device Software
542
1 NTP Configuration
550
Advantages of NTP
551
How NTP Works
551
NTP Message Format
552
Operation Modes of NTP
554
Broadcast mode
555
Multicast mode
555
NTP Configuration Task List
556
NTP Configuration Examples
565
Root delay: 31.00 ms
571
delay disper
571
1 SNMP Configuration
577
SNMP Protocol Version
578
MIB Overview
578
SNMP Configuration
579
Configuring SNMP Logging
581
Configuring SNMP Trap
582
Configuring Trap Parameters
583
SNMPv3 Configuration Example
586
2 MIB Style Configuration
589
1 RMON Configuration
591
Working Mechanism
592
RMON Groups
592
Private alarm group
593
History group
593
Ethernet statistics group
593
1 File System Management
602
Directory Operations
603
File Operations
604
Copying a File
605
Moving a File
605
Deleting a File
605
Batch Operations
606
Storage Medium Operations
606
Checking files
607
<Sysname> cd
609
<Sysname> pwd
609
Configuration File Overview
610
Configuration Task List
613
Configuring Ping
620
Ping Configuration Example
621
Tracert
623
System Debugging
624
Configuring System Debugging
625
1 Basic Configurations
628
Configuring the Device Name
629
Configuring the System Clock
629
Displaying the system clock
630
" is in
632
Configuring a Banner
633
Configuring CLI Hotkeys
634
Modifying command level
641
Information Center Overview
644
System Information Format
648
Overview
665
Mac address aging time: 500s
671
Cluster Management Overview
673
How a Cluster Works
674
Introduction to NDP
675
Introduction to NTDP
675
DisconnectConnect
676
Management VLAN
677
Configuring NDP Parameters
679
Configuring NTDP Parameters
680
Establishing a Cluster
681
Devices Within a Cluster
683
Cluster Member Management
684
Member Devices
685
1 HTTP Configuration
695
Enabling the HTTP Service
696
HTTP Configuration Example
697
2 HTTPS Configuration
699
Enabling the HTTPS Service
700
Control Policy
701
HTTPS Configuration Example
702
1 Stack Configuration
707
Establishing a Stack
708
Configuring Stack Ports
709
Creating a Stack
709
Stack Configuration Example
710
1 PoE Configuration
714
PoE Configuration Task List
715
Enabling PoE
716
Detecting PDs
717
Configuring the PoE Power
718
Monitoring PD
720
Configuring PoE Profile
720
Applying PoE Profile
721
PoE Configuration Example
722
Troubleshooting PoE
724
IP Source Guard Overview
726
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