System Management
7750 SR OS Basic System Configuration Guide Page 257
Authentication-key
This command configures an authentication key-id, key type, and key used to authenticate NTP
PDUs sent to and received from other network elements participating in the NTP protocol. For
authentication to work, the authentication key-id, authentication type and authentication key value
must match.
CLI Syntax: config>system>time>ntp
authentication-key key-id {key key} [hash | hash2] type
{des|message-digest}
Example
: config>system>time>ntp#
config>system>time>ntp# authentication-key 1 key A type des
config>system>time>ntp# no shutdown
The following example shows NTP disabled with the authentication-key parameter
enabled.
A:sim1>config>system>time>ntp# info
----------------------------------------------
shutdown
authentication-key 1 key "OAwgNUlbzgI" hash2 type des
----------------------------------------------
A:sim1>config>system>time>ntp#
Broadcast
The broadcast command is used to transmit broadcast packets on a given subnet.
CLI Syntax: config>system>time>ntp
broadcast [router router-name] {interface
ip-int-name> [key-id key-id] [version version]
[ttlttl]
Example: config>system>time>ntp#
config>system>time>ntp# broadcast interface int11 version 4
ttl 127
config>system>time>ntp# no shutdown
The following example in the system>time context shows NTP enabled with the broadcast
command configured.
A:sim1>config>system>time# info detail
----------------------------------------------
ntp
no shutdown
authentication-check
ntp-server
broadcast interface int11 version 4 ttl 127
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