Cisco NCS 5000 Series User Manual

SUMMARY STEPS
1.
configure
2.
ntp
3.
authenticate
4.
authentication-key key-number md5 [clear | encrypted] key-name
5.
trusted-key key-number
6.
Use one of the following commands:
•
end
•
commit
DETAILED STEPS
PurposeCommand or Action
configure
Step 1
Enters NTP configuration mode.ntp
Example:
RP/0/RP0/CPU0:router(config)# ntp
Step 2
Enables the NTP authentication feature.authenticate
Example:
RP/0/RP0/CPU0:router(config-ntp)#
authenticate
Step 3
Defines the authentication keys.
authentication-key key-number md5 [clear |
encrypted] key-name
Step 4
•
Each key has a key number, a type, a value, and, optionally, a
name. Currently the only key type supported is md5.
Example:
RP/0/RP0/CPU0:router(config-ntp)#
authentication-key 42
md5 clear key1
Defines trusted authentication keys.
trusted-key key-number
Step 5
Example:
RP/0/RP0/CPU0:router(config-ntp)#
trusted-key 42
•
If a key is trusted, this router only synchronizes to a system that
uses this key in its NTP packets.
Saves configuration changes.Use one of the following commands:
Step 6
•
end
•
When you issue the end command, the system prompts you to
commit changes:
Uncommitted changes found, commit them before
•
commit
System Management Configuration Guide for Cisco NCS 5000 Series Routers, IOS XR Release 6.2.x
154
Implementing NTP
Configuring NTP Authentication

Cisco NCS 5000 Series Specifications

General

Brand	Cisco
Model	NCS 5000 Series
Category	Network Router
Language	English