Cisco 7960 Administrator's Manual page 84

Setting the Date, Time, and Daylight Savings Time
Table 3-3 Actions Based on sntp_mode When the sntp_server Parameter is Set to an IP Address
sntp_server sntp_mode=
= 0.0.0.0 unicast
Sends
SNTP request to the
SNTP server.
Receives
SNTP response from
the SNTP server and
ignores responses
from other SNTP
servers.
Cisco SIP IP Phone 7960 Administrator Guide
3-24
Table 3-3 lists the actions that take place when a valid IP address is specified
in the sntp_server parameter.
sntp_mode=
multicast
Nothing.
When in multicast
mode, SNTP
requests are not sent.
SNTP data via the
SNTP/NTP
multicast address
from the local
network broadcast
address.
Chapter 3 Managing Cisco SIP IP Phones
sntp_mode= sntp_mode=
anycast directedbroadcast
SNTP request to the SNTP packet to the
SNTP server. SNTP server.
After the first SNTP
response is received,
the phone switches
to multicast mode.
SNTP response from SNTP data from the
SNTP/NTP
the SNTP server and
ignores responses multicast address
from other SNTP and the local
servers. network broadcast
address and ignores
responses from other
SNTP servers.
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