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DGS-3610 Series Configuration Guide Chapter 23 NTP Configuration

23-7

that on the NTP server, set this NTP server on the network as the synchronization server,

and begin to synchronize the time.

DGS-3610(config)# no ntp

DGS-3610(config)# ntp authentication-key 6 md5 wooooop

DGS-3610(config)# ntp authenticate

DGS-3610(config)# ntp trusted-key 6

DGS-3610(config)# ntp server 192.168.210.222 key 6

DGS-3610(config)# ntp synchronize

DGS-3610(config)# interface gigabitEthernet 0/1

DGS-3610(config-if)# ntp disable

DGS-3610(config-if)# no ntp disable

Default Chapter5
- Table of Contents5
1 Command Line Interface Configuration31
- Command Mode31
- Obtaining Help33
- Abbreviating Commands34
- Using no and Default Options34
- Understanding CLI Prompt Messages34
- Using History Commands35
- Using Editing Features35
  - Edit Shortcut Keys36
  - Sliding Window of Command Line36
- Filtration and Lookup of CLI Output Information37
  - Lookup and Filtration of Show Command37
- Using Command Alias38
- Accessing CLI39
2 Configuration of Switch Basic Management41
- Overview41
- Access Control by Command Authorization41
- Logon Authentication Control45
- System Time Configuration46
- Scheduled Restart47
- System Name and Command Prompt49
- Banner Configuration50
- Viewing System Information52
- Console Rate Setting53
  - Overview53
  - Setting Console Rate53
- Using Telnet on the Network Devices54
  - Overview54
  - Using Telnet Client55
- Connection Timeout Setting55
- Process the Command in the Execution File in Batch56
- Setting of Service Switch57
3 LINE Mode Configuration59
- Overview59
4 Configuration of System Upgrade and Maintenance61
- Overview61
- Upgrade and Maintenance Method61
5 Network Communication Detection Tools69
- Ping Connectivity Test69
- Traceroute Connectivity Test70
6 Configuring Interfaces73
- Overview of Interface Types73
  - L2 Interfaces73
  - L3 Interfaces75
- Configuring Interfaces77
- Showing Interface Configuration and Status89
- Linktrap Policy Configuration91
  - Configuring Command91
  - Configuration Example91
7 Aggregate Port Configuration93
- Overview93
  - Understanding Aggregate Port93
  - Understanding Traffic Balancing93
- Configuring Aggregate Port95
- Showing Aggregate Port98
8 VLAN Configuration99
- Overview99
  - Supported VLAN100
  - VLAN Member Type100
- Configuring VLAN100
- Configuring VLAN Trunks102
- Showing VLAN105
9 Super VLAN Configuration107
- Overview107
- Configuring Super VLAN108
- Configuring Sub VLAN of Super VLAN109
- Setting Address Range of Sub VLAN109
- Setting Virtual Interface for Super VLAN110
- Setting Agent ARP Function for VLAN110
- Showing Super VLAN Setting111
- Configuration Example111
10 Protocol VLAN Configuration113
- Protocol VLAN Technology113
- Configuring Protocol VLAN114
- Showing Protocol VLAN116
11 Private VLAN Configuration117
- Private VLAN Technology117
- Private VLAN Configuration118
- Private VLAN Showing122
  - Showing Private VLAN122
12 802.1Q Tunneling123
- Understanding 802.1Q Tunneling123
- Configuring 802.1Q Tunneling125
13 MAC Address Configuration129
- Managing the MAC Address Table129
- The Changing Notification of the MAC Address134
- IP and MAC Address Binding137
14 DHCP Snooping Configuration139
- DHCP Snooping Overview139
- DHCP Snooping Configuration143
- Showing DHCP Snooping Configuration147
  - Showing DHCP Snooping147
  - Showing DHCP Snooping Database Information147
15 IGMP Snooping Configuration149
- Overview149
- Configuring IGMP Snooping157
- Viewing IGMP Snooping Information166
16 PIM Snooping Configuration171
- Understanding PIM Snooping Principle171
- Configuration of PIM Snooping by Default172
- Guiding and Limiting PIM Snooping Configuration172
- Configuring PIM Snooping172
  - Enable PIM Snooping Globally173
  - Enable PIM Snooping on SVI173
17 MSTP Configuration175
- MSTP Overview175
  - STP and RSTP175
  - MSTP Overview184
- Overview of Optional Features of MSTP190
- Configuring MSTP193
- Configuring Optional Features of MSTP203
- Showing MSTP Configuration and Status207
18 SPAN Configuration209
- Overview209
  - Understanding SPAN209
  - Precautions209
- SPAN Concepts and Terms210
- Showing the SPAN Status214
19 IP Address and Service Configuration215
- IP Addressing Configuration215
- IP Service Configuration225
  - IP Services Configuration Task List225
  - IP Connectionsmanagement225
20 DHCP Configuration229
- Introduction to DHCP229
- Introduction to DHCP Server229
- Introduction to DHCP Client231
- Introduction to DHCP Relay Agent231
- Configuring DHCP231
- Monitoring and Maintaining Information239
  - Monitoring and Maintaining DHCP Server239
  - Monitoring and Maintaining DHCP Client240
- Configuration Examples240
21 DHCP Relay Configuration243
- Overview243
- Configuring DHCP245
- Other Precautions on DHCP Relay Configuration249
  - Precautions on DHCP Option Dot1X Configuration250
  - Precautions on DHCP Option82 Configuration250
- Showing DHCP Configuration250
22 DNS Configuration253
- DNS Overview253
23 NTP Configuration257
- Unerstanding NTP257
- Configuring NTP257
- Display of NTP Information262
  - Debugging the NTP262
  - Showing NTP Information262
- Configuration Examples262
24 UDP-Helper Configuration265
- UDP-Helper Overview265
- Configuring UDP-Helper265
25 SNMP Configuration269
- SNMP Related Information269
- SNMP Configuration274
- SNMP Monitoring and Maintenance278
- SNMP Configuration Example281
  - Example of SNMP Access List Association Control284
  - Snmpv3 Related Configuration Examples284
26 Configuration of RMON287
- Overview287
- List of RMON Configuration Tasks288
- RMON Configuration Examples290
27 RIP Routing Protocol Configuration293
- RIP Overview293
- RIP Configuration Task List294
- RIP Configuration Examples300
28 OSPF Routing Protocol Configuration307
- OSPF Overview307
- OSPF Configuration Task List309
- Monitoring and Maintaining OSPF326
- Ospf Configuration Examples330
29 BGP Configuration345
- Operating BGP Protocol346
- Default Configuration of BGP346
- Inject Route Information to BGP Protocol347
- Configuring BGP Peer (Group) and Its Parameters349
- Configuring Management Policy for BGP353
- Configuring Synchronization between BGP and IGP354
- Configuring Interaction between BGP and IGP355
- Configuration Timer of BGP355
- Configuring Path Attribute for BGP356
- Selection of Optimal Path for BGP361
- Configuring Route Aggregate for BGP362
- Configuring Route Reflector for BGP362
- Configuring Route Dampening for BGP364
- Configuring as Confederation for BGP365
- Configuring Management Distance for BGP366
- Monitoring of BGP367
- Protocol Independent Configuration368
  - Route-Map Configuration368
  - Regular Expression Configuration368
- BGP Configuration Examples369
30 Protocol-Independent Configuration383
- IP Route Configuration383
- Route Redistribution385
  - Configuring Route Redistribution385
  - Configuration of Route Filtering388
- Configuring Switch Fast Forwarding ECMP/WCMP Policy393
31 Policy-Based Routing Configuration397
32 Ipv6 Configuration401
- Ipv6 Address Format403
- Type of Ipv6 Address404
- Ipv6 Packet Header Structure409
- Ipv6 MTU Discovery410
- Ipv6 Neighbor Discovery411
- Ipv6 Configuration413
- Ipv6 Monitoring and Maintenance419
33 IPV6 Tunnel Configuration423
- Overview423
- Ipv6 Tunnel Configuration427
- Verifying Ipv6 Tunnel Configuration and Monitoring431
- Ipv6 Tunnel Configuration Instances433
34 Ospfv3 Configuration443
- Ospfv3 Protocol Overview443
- Ospfv3 Basic Configuration446
- Configuring Ospfv3 Interface Parameters448
- Configuring Ospfv3 Area Parameters450
  - Configuring Ospfv3 Virtual Connection451
- Configuring Ospfv3 Route Information Convergence452
  - Configuring Inter-Area Convergence452
- Configuring Bandwidth Reference Value of Ospfv3 Interface Measurement452
- Configuring Ospfv3 Timer453
  - Configuring Ospfv3 Route Redistribution453
  - Configuring Ospfv3 Passive Interface454
- Ospfv3 Debug and Monitoring454
  - Ospfv3 Debug Command455
  - Ospfv3 Monitoring Command455
35 IP Multicast Routing Configuration457
- Overview457
- PIM-SM Overview463
- Basic Configuration of the Multicast Routing466
- Enabling Multicast Routing Forwarding466
- Enabling IP Multicast Routing Protocol466
  - Enabling IGMP467
- Advanced Multicast Routing Configuration467
- Multicast Routing Configuration Examples492
36 Port-Based Flow Control Configuration497
- Storm Control497
- Protected Port499
- Port Security501
37 Configuration of 802.1X509
- Overview509
- Configuring 802.1X516
- Viewing the Configuration and Current Statistics of the 802.1X540
- Basic AAA Principles545
  - Basic AAA Principles546
  - Method List546
- Basic AAA Configuration Steps547
- Configuring Authentication548
- Configuring Authorization555
- Configuring Accounting557
38 Radius Configuration561
- Radius Overview561
- RADIUS Configuration Tasks562
- Monitoring RADIUS566
- Radius Configuration Example566
39 SSH Terminal Service569
- About SSH569
- SSH Support Algorithms569
- SSH Support569
- SSH Configuration570
- Device Management through SSH572
40 CPU Protection Configuration575
- Function of CPU Protect575
- Principles of CPU Protect575
- Configuring CPU Protect576
- Viewing CPU Protect Information578
41 Anti-Attack System Guard Configuration581
- Overview581
- Anti-Attack System Guard Configuration582
42 GSN Configuration589
- Overview of GSN Security Solution589
- Configuring the GSN Security Switch590
- GSN Configuration Display592
  - Showing Smp Server592
  - Showing Security Event Interval592
- Precuations for GSN Configuration592
43 Dynamic ARP Inspection Configuration595
- Understanding DAI595
- Configuring DAI597
- Showing DAI Configuration600
  - Showing DAI Enabling Status of VLAN600
  - Showing DAI Configuration Status of each Layer 2 Interface600
44 Access Control List Configuration601
- Overview601
- Configuring IP Access Lists605
- Configuring MAC Extended Access List609
- Configuring Expert Extended Access List612
- Configuring Ipv6 Extended Access List614
  - Configuration of Showing Ipv6Extended Access Lists615
  - Ipv6 Extended Access List Example615
- Configuring Access List ACL80616
- Configuring TCP Flag Filtering Control618
- Configuring ACL Entries by Priority619
- Configuring ACL Based on Time-Range620
- Configuration Examples622
  - Configuring TCP One-Way Connection622
45 QOS Configuration625
- QOS Overview625
  - Basic Framework of Qos625
  - QOS Processing Flow626
- Configuring QOS629
- QOS Display638
46 VRRP Configuration643
- VRRP Applications644
  - Route Redundancy645
  - Load Balancing645
- VRRP Configuration646
- VRRP Monitoring and Maintenance650
  - Show Vrrp650
  - Debug Vrrp652
- Example of Typical VRRP Configuration654
- VRRP Diagnosis and Troubleshooting659
47 RLDP Configuration661
- About RLDP661
  - Understanding RLDP661
  - Typical Application662
- Configuring RLDP664
- Viewing RLDP Information668
  - Viewing the RLDP Status of All Ports668
  - Viewing the RLDP Status of a Specified Port669
48 TPP Configuration671
- TPP Overview671
- TPP Application671
- TPP Configuration672
  - Configuring Global Topology Protection673
  - Configuring the Topology Protection on Port673
- Typical TPP Configuration Examples674
- Viewing TPP Information675
  - Viewing the TPP Configuration and Status of Devices675
49 File System Configuration677
- Overview677
50 Log Configuration681
- Overview681
  - Log Packet Format681
- Log Configuration682
- Log Monitoring688
  - Examples of Log Configuration688
51 POE Management Configuration689
- Overview689
- POE Configuration Management689
52 Stack Management697
- Understanding Stack697
- Configuring a Stack698
- Showing Stack Information700

Brand	D-Link
Model	xStack DGS-3610 Series
Category	Switch
Language	English

D-Link xStack DGS-3610 Series User Manual

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