1-5
Broadcast mode
Figure 1-4 Broadcast mode
Multicast mode
Figure 1-5 Multicast mode
Table 1-1 describes how the above mentioned NTP modes are implemented on 3Com S4200G series
Ethernet switches.
Table 1-1 NTP implementation modes on 3Com S4200G series Ethernet switches
NTP implementation mode Configuration on S4200G series switches
Server/client mode
Configure the local S4200G Ethernet switch to work in the
NTP client mode. In this mode, the remote server serves as
the local time server, while the local switch serves as the
client.
Symmetric peer mode
Configure the local S4200G switch to work in NTP symmetric
peer mode. In this mode, the remote server serves as the
symmetric-passive peer of the S4200G switch, and the local
switch serves as the symmetric-active peer.
Broadcast mode
z Configure the local S4200G Ethernet switch to work in
NTP broadcast server mode. In this mode, the local
switch broadcasts NTP messages through the VLAN
interface configured on the switch.
z Configure the S4200G switch to work in NTP broadcast
client mode. In this mode, the local S4200G switch
receives broadcast NTP messages through the VLAN
interface configured on the switch.
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