7210 SAS-M, T, R6, R12, Mxp, Sx, S Basic System
Configuration Guide
System Management
Edition: 01 3HE 16132 AAAB TQZZA 283
Figure 26 Ethernet Multicast Ports
The IEEE 1588v2 standard includes the concept of PTP profiles. These profiles are
defined by industry groups or standards bodies that define the use of IEEE 1588v2
for specific applications.
The following profiles are supported for 7210 SAS platforms (as described in
Table 34):
• IEEE 1588v2 (default profile)
• ITU-T Telecom profile (G.8265.1)
• ITU-T Telecom profile for time with full timing support (G.8275.1)
sw_0127
7210 SAS
Boundary Clock
Port 1/2/1
Port 1/1/1 Port 1/3/1
Boundary Clock
Boundary Clock
Ordinary Clock
Slave
Ethernet Multicast LAN
Ordinary Clock
Master
End to End Transparent Clock
Note: 7210 SAS platforms do not support ordinary clock master configuration.
Note: The following caveats apply to G.8275.1 support. See section 6.5.11 for configuration
guidelines and restrictions.
• PTP with Ethernet encapsulation is only supported with G.8275.1 profiles.
• PTP over IP encapsulation is only with the IEEE 1588v2 and G.8265.1 profiles; it is not
supported for G.8275.1 profiles.
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