ptp add
ptp add - Add PTP related port or grantor settings
Description:
Add PTP related port or grantor settings
Syntax:
ptp add {port {{address <multicast-address>} |
{announce <-3,-2,-1,0,1,2 or 3>} |
{announce-receipt-timeout <2-10>} |
{delay-request-offset <0-5>} |
{dly-resp-receipt-timeout <2-10>} |
{domain <0-255> } |
{dscp <0-63>} |
{interface <interface-name>} |
{local-priority <1-255>} |
{mode <multicast,unicast>} |
{name <ptp-port-name>} |
{pcp <0-7>} |
{port-mode <force-master,force-slave,auto>}
{sync <-4,-3,-2,-1,0,1,2 or 3>} |
{sync-receipt-timeout <2-10>} |
{ttl <1-255>} |
{unicast-renewal-interval <60-1000>} }} |
{grantor <ptp-port-name> {{address <master-address>} |
{domain <0-255>} |
{interface <interface-name>} |
{name <grantor-name>} |
{priority <0-2>} }}
Parameters:
| Parameter | Description |
|---|---|
| port | Change PTP related port settings |
| address | Specifies multicast address. |
| <multicast-address> | <01:1b:19:00:00:00 | 01:80:c2:00:00:0e> |
| announce | Specifies the interval between Announce messages. Possible values: - -3 (8 messages/second) - -2 (4 messages/second) - -1 (2 messages/second) - 0 (1 message/second) - 1 (1 message/2 seconds) default - 2 (1 message/4 seconds) - 3 (1 message/8 seconds) |
| announce-receipt-timeout | Specifies the number of Announce messages that can be lost before timeout occurs. Acceptable values: 2 to 10 |
| delay-request-offset | Specifies delay request offset based on the sync interval. Acceptable values: 0 to 5 |
| dly-resp-receipt-timeout | Specifies the number of Delay Response messages that can be lost before timeout occurs (Unicast Telecom Profile ITU-T G.8265.1 only. Default: 3) |
| domain | Specifies PTP domain. Acceptable values: 0 to 255 |
| dscp | When using PTP, the priority of the packets can be set in the DiffServ Code Point. Acceptable values: 0 to 63 |
| interface | Interface used to communicate. |
| <interface-name> | <string> |
| local-priority | Specifies the value of localPriority to the PTP port. Acceptable values: 1 to 255. Default: 128 |
| mode | Specifies communication method. Possible values: - multicast (layer-2 multicast) - unicast (layer-3 unicast) |
| name | Name assigned to the PTP port. |
| <ptp-port-name> | <string> |
| pcp | When using PTP, the priority of the packets can be set in the Priority code point bits if the link is through a VLAN. Acceptable values: 0 to 7 |
| port-mode | Specifies whether the PTP port shall be forced to be master, slave, or auto. Possible values: - force-master (forced to be master) - force-slave (forced to be slave) - auto (determined by BMCA) |
| sync | Specifies the interval between Sync messages. Possible values: - -4 (16 messages/second) - -3 (8 messages/second) - -2 (4 messages/second) - -1 (2 messages/second) - 0 (1 message/second) - 1 (1 message/2 seconds) - 2 (1 message/4 seconds) - 3 (1 message/8 seconds) |
| sync-receipt-timeout | Specifies the number of Sync messages that can be lost before timeout occurs (Unicast Telecom Profile ITU-T G.8265.1 only). Acceptable values: 2 to 10. Default: 3 |
| ttl | Specifies the ttl information in all packets. Acceptable values: 1 to 255 |
| unicast-renewal-interval | Specifies the interval between every unicast negotiation of message intervals (for Sync, Announce and Delay Response messages). Acceptable values: 60 to 1000. Default: 300 seconds |
| grantor | Change PTP related grantor settings |
| <ptp-port-name> | <string> |
| address | Master address (time server for the PTP client). |
| <master-address> | <ip-addr> | <ipv6-addr> | <dns-name> |
| domain | Specifies the domain number of the PTP master. Acceptable values: 0 to 255. Default: 0 |
| interface | Interface used to communicate with the PTP master. |
| <interface-name> | <string> |
| name | Specifies a name for the PTP grantor. |
| <grantor-name> | <string> |
| priority | For Telecom-Profile only (ITU-T G.8265.1). Ignored by other profiles. Specifies the priority for the PTP master. Acceptable values: 0 (disabled), 1, 2. Default: 0 |
ptp delete
ptp delete - Remove PTP related port or grantor settings.
Description:
Remove PTP related port or grantor settings.
Syntax:
ptp delete {port <ptp-port-name>} |
{grantor <grantor-name>}
Parameters:
| Parameter | Description |
|---|---|
| port | Remove the specific PTP port setting. |
| grantor | Remove the specific grantor setting. |
| <ptp-port-name> | <string> |
| <grantor-name> | <string> |
ptp edit
ptp edit - Change PTP related settings
Description:
Change PTP related settings.
Syntax:
ptp edit { {state <enable|disable>} |
{pma <master-address>} |
{sma <master-address>} |
{utc <enable|disable>} |
{announce <-3,-2,-1,0,1,2 or 3>} |
{sync <-4,-3,-2,-1,0 or 1>} |
{pdn <0-255>} |
{sdn <0-255>} |
{dscp <0-63>} |
{vlan-priority <0-7>} }
Parameters:
| Parameter | Description |
|---|---|
| state | Enable or disable the PTP feature. |
| pma | Primary master address (time server for the PTP client). |
| sma | Secondary master address (time server for the PTP client). |
| <master-address> | <ip-addr> <ipv6-addr> <dns-name> |
| utc | Enable or disable the use of UTC offset from the master. |
| announce | Specifies the interval of Announce messages from the master. Possible values:
|
| sync | Specifies the interval of Sync messages from the master. Possible values:
|
| pdn | Specifies the domain number of the primary PTP master. Possible values: 0 to 255. Default value: 4. |
| sdn | Specifies the domain number of the secondary PTP master. Possible values: 0 to 255. Default value: 4. |
| dscp | When using PTP, the priority of the packets can be set in the DiffServ Code Point. |
| vlan-priority | When using PTP, the priority of the packets can be set in the VLAN priority bits if the link is through a VLAN. |
Note: Communication with the grandmaster clock is only supported via unicast negotiation (defined in clause 16.1 of IEEE 1588-2008). Multicast negotiation is not supported.
ptp reset
ptp reset - Reset to default PTP settings
Description:
Resets to default PTP settings.
Syntax:
ptp reset
ptp show
ptp show - Show the current PTP configuration and status
Description:
Shows the current configuration and status for the PTP (Precision Time Protocol) service.
Syntax:
ptp show [ -d| -r ]
Parameters:
| Parameter | Description |
|---|---|
| -d | Show debug information. |
| -r | Reset counters. |
© 2026 Cisco and/or its affiliates. All rights reserved.
For more information about trademarks, please visit: Cisco trademarks
For more information about legal terms, please visit: Cisco legal terms
For legal information about Accedian Skylight products, please visit: Accedian legal terms and trademarks