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NTP server on the client. The key IDs and key values configured on the server and client must be the same.
Otherwise, NTP authentication fails.
To configure NTP authentication for a client:
Ste
p
Command
Remarks
1. Enter system view.
system-view N/A
2. Enable NTP authentication.
ntp-service authentication enable
By default, NTP authentication is
disabled.
3. Configure an NTP
authentication key.
ntp-service authentication-keyid
keyid authentication-mode md5
{ cipher | simple } value
By default, no NTP authentication
key is configured.
4. Configure the key as a trusted
key.
ntp-service reliable
authentication-keyid keyid
By default, no authentication key is
configured as a trusted key.
5. Associate the specified key
with an NTP server.
• Associate the specified key with
an NTP server:
ntp-service unicast-server
{ ip-address | server-name }
[ vpn-instance
vpn-instance-name ]
authentication-keyid keyed
• Associate the specified key with
an IPv6 NTP server
ntp-service ipv6 unicast-server
{ ipv6-address | server-name }
[ vpn-instance
vpn-instance-name ]
authentication-keyid keyid
By default, no NTP server is
specified.
To configure NTP authentication for a server:
Ste
p
Command
Remarks
1. Enter system view.
system-view
N/A
2. Enable NTP authentication.
ntp-service authentication enable
By default, NTP authentication is
disabled.
3. Configure an NTP
authentication key.
ntp-service authentication-keyid
keyid authentication-mode md5
{ cipher | simple } value
By default, no NTP authentication
key is configured.
4. Configure the key as a trusted
key.
ntp-service reliable
authentication-keyid keyid
By default, no authentication key is
configured as a trusted key.
NTP authentication results differ when different configurations are performed on client and server. For
more information, see Table 3. (N/A in the ta
ble means that whether the configuration is performed does
not make any difference.)
- H3C MSR Series Routers 1
- Preface 3
- Conventions 4
- Obtaining documentation 5
- Technical support 5
- Documentation feedback 5
- We appreciate your comments 6
- Contents 7
- Ping example 14
- Tracert 16
- Prerequisites 17
- Tracert example 17
- System debugging 19
- Configuring NQA 21
- Collaboration 22
- Threshold monitoring 22
- NQA configuration task list 23
- Configuring the NQA server 23
- Enabling the NQA client 24
- Threshold types 37
- Triggered actions 37
- Reaction entry 37
- Configuring the DNS template 42
- Configuring the TCP template 43
- Configuring the FTP template 45
- NQA configuration examples 47
- Configuring NTP 72
- NTP architecture 73
- Association modes 74
- NTP security 76
- NTP for MPLS VPNs 77
- Configuration task list 78
- Enabling the NTP service 78
- Configuration procedure 100
- Network requirements 101
- Configuring SNTP 116
- SNTP configuration example 118
- Configuring SNMP 120
- SNMP operations 121
- Protocol versions 121
- Configuring SNMP logging 125
- Enabling SNMP notifications 126
- Configuration guidelines 127
- Configuration prerequisites 127
- Displaying the SNMP settings 129
- { Specify SNMPv1 130
- SNMPv3 configuration example 131
- Configuring RMON 133
- Alarm group 134
- Private alarm group 134
- Protocols and standards 135
- Configuring NETCONF 142
- NETCONF message format 143
- FIPS compliance 144
- Enabling NETCONF over SOAP 145
- Entering xml view 146
- Exchanging capabilities 146
- Subscription procedure 147
- Verifying the configuration 148
- Locking the configuration 149
- Unlocking the configuration 150
- Saving the configuration 159
- Loading the configuration 160
- Filtering data 161
- Conditional match 162
- CLI operation example 167
- Configuration example 170
- Returning to the CLI 171
- Appendix 172
- Configuring port mirroring 182
- Configuring samplers 188
- Configuring NetStream 190
- Key NetStream technologies 191
- NetStream export formats 194
- NetStream filtering 194
- NetStream sampling 194
- Flow aging methods 198
- Configuring sFlow 208
- Configuring flow sampling 209
- Configuring counter sampling 210
- Verifying the configurations 212
- Overview 213
- Log destinations 214
- Log formats 215
- Saving logs to a log file 220
- Managing security logs 222
- UNIX log host 227
- Configuring EAA 230
- Elements in a monitor policy 231
- EAA environment variables 232
- System-defined variables 233
- Configuring a monitor policy 234
- Suspending monitor policies 237
- Configuration examples 238
- Monitoring kernel threads 241
- ] [ verbose ] 243
- ] [ verbose ] 243
- Task Command 244
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