The multicastclient command is used to configure an address to receive multicast NTP messages on the CPM MGMT port (7450 ESS and 7750 SR). Broadcast and multicast messages can easily be spoofed, therefore, authentication is strongly recommended. The no construct of this command removes the multicast client. If multicastclient is not configured, all NTP multicast traffic is ignored.
config>system>time>ntp
— multicastclient [authenticate]
config>system>time>ntp#
— config>system>time>ntp# multicastclient authenticate
— config>system>time>ntp# no shutdown
The following example shows NTP enabled with the multicastclient command configured.
A:ALA-12>config>system>time# info
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server 192.168.15.221
multicastclient
no shutdown
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A:ALA-12>config>system>time##