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NTP Configuration Commands 413
ntp-service reliable
authentication-keyid
Syntax
ntp-service reliable authentication-keyid key-id
undo ntp-service reliable authentication-keyid key-id
View
System view
Parameter
key-id: Authentication key ID, in the range of 1 to 4294967295.
Description
Use the ntp-service reliable authentication-keyid command to specify an
authentication key as a trusted key. If authentication is enabled, a client can only
be synchronized to a server that can provide a trusted key.
Use the undo ntp-service reliable authentication-keyid command to
remove the configuration.
By default, no trusted authentication key is configured.
Example
Enable NTP authentication. The encryption algorithm is MD5, the key ID is 37, and
the trusted key is
BetterKey.
<SW4500> system-view
System View: return to User View with Ctrl+Z.
[SW4500] ntp-service authentication enable
[SW4500] ntp-service authentication-keyid 37 authentication-mode md5
BetterKey
[SW4500] ntp-service reliable authentication-keyid 37
ntp-service
source-interface
Syntax
ntp-service source-interface Vlan-interface vlan-id
undo ntp-service source-interface
View
System view
Parameter
vlan-interface vlan-id: Specifies an interface. The IP address of the interface
serves as the source IP address of sent NTP messages. The
vlan-id argument
indicates the ID of the specified VLAN interface, ranging from 1 to 4094.
Description
Use the ntp-service source-interface command to specify a VLAN interface
through which NTP messages are to be sent.