Cisco Nexus 3548 - Configuring PTP; Configuring PTP Globally

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.
(Optional)
Configures the domain number to use for this clock. PTP
domains allow you to use multiple independent PTP clocking
subdomains on a single network.
switch(config) # [no] ptp
domain number
Step 4
Cisco Nexus 3548 Switch NX-OS System Management Configuration Guide, Release 6.x
11
Configuring PTP
Configuring PTP