Chapter 46: Command Line Descriptions
STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved. 2201
configure ntp server * manycast
Configures the CMTS to be an NTP client member of the self-configuring NTP manycast group using the multicast ip-address.
configure ntp server <ip address> manycast [burst] [ttl <1-255>] [minpoll <4-11>] [maxpoll <4-11>]
The C4 CMTS uses the group multicast IP address to discover other nearby NTP servers in the manycast group that it can obtain time
sync from as a client.
Parameters
The multicast IP address is of the form 224.0.1.x, which are designated as NTP manycast group addresses.
Do not use the default Internet NTP manycast group 224.0.1.1 address unless absolutely necessary because of its large membership.
Forces the CMTS to send a sequence of time sync messages over a short period at each poll interval to the group servers.
Specifies the maximum number of router hops that the CMTS will use when trying to locate nearby members of its manycast group.
Default is 5
Minimum polling interval for NTP clients and peers. Default is 6
Maximum polling interval for NTP clients and peers. Default is 7