
C
HAPTER
21
| System Management Commands
Time
– 774 –
ntp
authentication-key
This command configures authentication keys and key numbers to use
when NTP authentication is enabled. Use the
no
form of the command to
clear a specific authentication key or all keys from the current list.
S
YNTAX
ntp authentication-key
number
md5
key
no ntp authentication-key
[
number
]
number
- The NTP authentication key ID number. (Range: 1-65535)
md5
- Specifies that authentication is provided by using the
message digest algorithm 5.
key
- An MD5 authentication key string. The key string can be up to
32 case-sensitive printable ASCII characters (no spaces).
D
EFAULT
S
ETTING
None
C
OMMAND
M
ODE
Global Configuration
C
OMMAND
U
SAGE
◆
The key number specifies a key value in the NTP authentication key list.
Up to 255 keys can be configured on the switch. Re-enter this
command for each server you want to configure.
◆
Note that NTP authentication key numbers and values must match on
both the server and client.
◆
NTP authentication is optional. When enabled with the
ntp
authenticate
command, you must also configure at least one key
number using this command.
◆
Use the
no
form of this command without an argument to clear all
authentication keys in the list.
E
XAMPLE
Console(config)#ntp authentication-key 45 md5 thisiskey45
Console(config)#
R
ELATED
C
OMMANDS
ntp client
This command enables NTP client requests for time synchronization from
NTP time servers specified with the
ntp servers
command. Use the
no
form to disable NTP client requests.
S
YNTAX
[
no
]
ntp client
Содержание ECS4110-28T
Страница 1: ...Management Guide www edge core com ECS4110 28T 28P 52T 52P 28 52 Port Gigabit Ethernet Layer 2 Switch...
Страница 2: ......
Страница 4: ......
Страница 63: ...FIGURES 63 Figure 428 Configuring VLAN Translation 1177...
Страница 64: ...FIGURES 64...
Страница 72: ...TABLES 72...
Страница 74: ...SECTION I Getting Started 74...
Страница 102: ...SECTION II Web Configuration 102 General IP Routing on page 679...
Страница 154: ...CHAPTER 4 Basic Management Tasks Resetting the System 154...
Страница 198: ...CHAPTER 5 Interface Configuration VLAN Trunking 198 Figure 65 Configuring VLAN Trunking...
Страница 272: ...CHAPTER 9 Congestion Control Automatic Traffic Control 272...
Страница 286: ...CHAPTER 10 Class of Service Layer 3 4 Priority Settings 286...
Страница 420: ...CHAPTER 13 Security Measures DHCP Snooping 420...
Страница 566: ...CHAPTER 14 Basic Administration Protocols OAM Configuration 566...
Страница 638: ...CHAPTER 15 Multicast Filtering Multicast VLAN Registration for IPv6 638...
Страница 662: ...CHAPTER 16 IP Configuration Setting the Switch s IP Address IP Version 6 662...
Страница 678: ...CHAPTER 17 IP Services Configuring the PPPoE Intermediate Agent 678...
Страница 792: ...CHAPTER 21 System Management Commands Switch Clustering 792...
Страница 822: ...CHAPTER 23 Remote Monitoring Commands 822...
Страница 888: ...CHAPTER 24 Authentication Commands PPPoE Intermediate Agent 888...
Страница 968: ...CHAPTER 25 General Security Measures Port based Traffic Segmentation 968...
Страница 994: ...CHAPTER 26 Access Control Lists ACL Information 994...
Страница 1034: ...CHAPTER 28 Link Aggregation Commands Trunk Status Display Commands 1034...
Страница 1044: ...CHAPTER 29 Power over Ethernet Commands 1044...
Страница 1084: ...CHAPTER 33 UniDirectional Link Detection Commands 1084...
Страница 1090: ...CHAPTER 34 Address Table Commands 1090...
Страница 1194: ...CHAPTER 37 VLAN Commands Configuring Voice VLANs 1194...
Страница 1388: ...CHAPTER 42 CFM Commands Delay Measure Operations 1388...
Страница 1410: ...CHAPTER 44 Domain Name Service Commands 1410...
Страница 1420: ...CHAPTER 45 DHCP Commands DHCP Relay 1420...
Страница 1472: ...CHAPTER 46 IP Routing Commands IPv4 Commands 1472...
Страница 1474: ...SECTION IV Appendices 1474...
Страница 1502: ...COMMAND LIST 1502...
Страница 1513: ......
Страница 1514: ...ECS4110 28T ECS4110 28P ECS4110 52T ECS4110 52P E072014 ST R02 150200000929A...