Cisco Nexus 3548 series - Configuring Clock Identity

PurposeCommand or Action
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.
Enables or disables PTP on the interface.switch(config-if) # [no] feature ptp
Step 4
Associate cost on a PTP enabled interface. The
interface having the least cost becomes the slave
interface.
switch(config-if) # [no] ptp cost value
Step 5
The range for the cost is from 0 to 255. The
default value is 255.
Example
The following example shows cost that is associated with each PTP enabled interfaces:
switch(config)# show ptp cost
PTP port costs
-----------------------
Port Cost
------- --------------
Eth1/1 255
switch(config)#
Configuring clock Identity
You can configure clock identity on a Cisco Nexus 3500 switch. The default clock identity is a unique 8-octet
array presented in the form of a character array based on the switch MAC address.
.
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
Assigns 6 byte MAC address for PTP
clock-identity. Default clock identity is based
switch(config-if) # ptp clock-identity MAC
Address
Step 3
Cisco Nexus 3548 Switch NX-OS System Management Configuration Guide, Release 7.x
19
Configuring PTP
Configuring clock Identity