Cisco Nexus 3548 series - Default Settings for PTP; Configuring PTP

Table 2: Default PTP Parameters
DefaultParameters
DisabledPTP
2PTP version
0. PTP multi domain is disabled by default.PTP domain
255PTP priority 1 value when advertising the clock
255PTP priority 2 value when advertising the clock
1 log secondPTP announce interval
1 log secondPTP sync interval
3 announce intervalsPTP announce timeout
1 log secondPTP minimum delay request interval
1PTP VLAN
Configuring PTP
Configuring PTP Globally
You can enable or disable PTP globally on a device. You can also configure various PTP clock parameters
to help determine which clock in the network has the highest priority to be selected as the grandmaster.
Procedure
PurposeCommand or Action
Enters global configuration mode.switch# configure terminal
Step 1
Enables or disables PTP on the device.switch(config) # [no] feature ptp
Step 2
Enabling PTP on the switch does not
enable PTP on each interface.
Note
Configures the source IP address for all PTP
packets.
switch(config) # [no] ptp source ip-address
[vrf vrf]
Step 3
The ip-address can be in IPv4 format.
Configures the domain number to use for this
clock. PTP domains allow you to use multiple
(Optional) switch(config) # [no] ptp domain
number
Step 4
independent PTP clocking subdomains on a
single network.
The range for the number is from 0 to 128.
Cisco Nexus 3548 Switch NX-OS System Management Configuration Guide, Release 7.x
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Configuring PTP
Configuring PTP