Using Ip Multicast - ZyXEL Communications P-660R-T1 Support Notes

Authen= N/A
• Time
Service in P-660
There is no RTC (Real-Time Clock) chip so the P-660 should launch a mechanism to
get current time and date from extern
implemented by the Daytime protocol(RFC-867), Time protocol(RFC-868)
NTP protocol(RFC-1305). You have to assign an IP address of a time server and
then, the P-660 will get the date, time, and time-zone information from this server.
Menu 24.10 - System Maintenance - Time and Date Setting
Use Time Server when Bootup=
Time Server IP Address=
Current Time: 00 : 11 : 38
New Time (hh:mm:ss): 00 : 11 : 36
Current Date: 2000 - 01 - 01
New Date (yyyy-mm-dd): 2000 - 01 - 01
Time Zone= GMT+0800
Daylight Saving= No
Start Date (mm-dd): 01 - 00
End Date (mm-dd): 01 - 00
Press ENTER to Confirm or ESC to Cancel:

13. Using IP Multicast

•
W hat is IP Multicast ?
Traditio nally, IP packets are transmitted in tw
is a third way to deliver IP packets to a group of hosts.
class D IP ad resses, i.e., those with "1110" as their d
decimal nota t ion, host group addresses range from 224.0.0.0 to 239.255.255.255.
Among them, 224.0.0.1 is assigned to the perm
assigned to the multicast routers group.
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al server in boot time. Time service is
Daytime (RFC-867)
202.132.154.1
o ways - unicast or broadcast. Multicast
anent IP hosts group, and 224.0.0.2 is
P-660 series Support Notes
Edit Filter Sets= No
Idle Timeout(sec)= 0
Host groups are identified by
higher-order bits. In dotted
, and
102