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Timing Protocols Configuration

The Precision Time Protocol (PTP) provides clock accuracy for networked devices. Only the following device models support PTP functionality:

  • CX308P-48Y-N-V2
  • CX532P-N-V2
  • CX732Q-N-V2

PTP View

Section titled “PTP View”

Table 1 PTP View

CommandPurpose
show ptp clock [domain-id]Display PTP Clock Information.
show ptp clock sm-tlv domain-idDisplay SM-TLV Information.
show ptp interface ethernet interface_nameDisplay PTP Interface Configuration Information.
show ptp counters {interface ethernet interface_name |domain domain-id}Display PTP Interface Counters.
clear ptp countersClear PTP Packet Counters.

show ptp clock [domain-id]

Section titled “show ptp clock [domain-id]”

[Command]

show ptp clock [domain-id]

[Purpose]

Display PTP Clock Information.

[Parameters]

ParameterDescription
domain_idSpecify the domain ID, the range is [0,127]

[View]

Privileged User View

[Use Cases]

sonic# show ptp clock 127
Domain:  127
Profile:  smpte-2059-2
Clock Mode:  OC
Clock Step:  one_step
Dscp:  56
Source IP Address:  0.0.0.0
Local Clock Identity:  60eb5a.fffe.0110b1
Local Clock Accuracy:  0xFE
Local Clock Class:  248
Local Clock Priority1:  128
Local Clock Priority2:  128
ports:  Ethernet18
Grandmaster Clock Identity:  001395.fffe.43a733
Grandmaster Clock Accuracy:  0xfe
Grandmaster Clock Class:  248
Grandmaster Clock Priority1:  1
Grandmaster Clock Priority2:  128
Parent Port Identity:  1
Servo State:  locked
Offset To Master:  -2
Path Delay:  659
Max Steps Removed:  255
Local Time:  9921883176191

show ptp clock sm-tlv domain-id

Section titled “show ptp clock sm-tlv domain-id”

[Command]

show ptp clock sm-tlv domain-id

[Purpose]

Display SM-TLV Information.

[Parameters]

ParameterDescription
domain_idSpecify the domain ID, the range is [0,127]

[View]

Privileged User View

[Use Cases]

sonic# show ptp clock sm-tlv 127
Default Frame Rate:  0/0
GM Lock Status:  0
Time Address Flags:  0
Current Local Offset:  0
Jump Seconds:  0
Time Of Next Jump:  0
Time Of Next Jam:  0
Time Of Previous Jam:  0
Previous Jam Local Offset:  0
Daylight Saving:  0
Leap Second Jump:  0

show ptp interface ethernet interface_name

Section titled “show ptp interface ethernet interface_name”

[Command]

show ptp interface ethernet interface_name

[Purpose]

Display PTP Interface Configuration Information.

[Parameters]

ParameterDescription
interface_nameInterface name (eg.0/1)

[View]

Privileged User View

[Use Cases]

sonic# show ptp interface ethernet 0/18
Ethernet:  Ethernet18
Enable:  true
Domain:  127
Index:  1
Dscp:  56
Announce Interval:  -2
Announce Receipt Timeout:  3
Delay Req Interval:  -3
Pdelay Req Interval:  -3
Sync Interval:  -3
Role:  dynamic
Delay Mechanism:  E2E
Transport Mode:  udpv4

show ptp counters {interface ethernet interface_name | domain domain-id}

Section titled “show ptp counters {interface ethernet interface_name | domain domain-id}”

[Command]

show ptp counters {interface ethernet interface_name |domain domain-id}

[Purpose]

Display PTP Interface Counters.

[Parameters]

ParameterDescription
interface_nameInterface name (eg.0/1)
domain-idSpecify the domain ID, the range is [0,127]

[View]

Privileged User View

[Use Cases]

sonic# show ptp counters domain 127
Interface: Ethernet18
                                      Recv Packets                   Send Packets
---------------------------------------------------------------------------------
          Announce                          41860                             57
              Sync                          83619                            110
          FollowUp                              0                              0
          DelayReq                          83459                          83459
         DelayResp                          83452                              0
         PdelayReq                              0                              0
        PdelayResp                              0                              0
PdelayRespFollowUp                              0                              0
         Signaling                              0                              0
         Managment                              0                              0

clear ptp counters

Section titled “clear ptp counters”

[Command]

clear ptp counters

[Purpose]

Clear PTP Packet Counters.

[View]

Privileged User View

[Use Cases]

sonic# clear ptp counters

PTP Config

Section titled “PTP Config”

Table 2 PTP Config

CommandPurpose
ptp loglevel {error|warning|notice|info|debug}Configure the log level for the ptp4l process in PTP logs.
ptp domain domain_idCreat a PTP domain.
ptp profile {smpte-2059-2|1588v2|aes67|g8275.1|g8275.2}Configure the PTP Protocol.
ptp mode clock_modeConfigure the PTP clock type.
ptp clock-id xxxxxx.xxxx.xxxxxxConfigure the PTP Clock ID
ptp clock-step {one_step|two_step}Configure the timestamping mode for PTP packets.
ptp class classConfigure the PTP clock class.
ptp accuracy accuracyConfigure the PTP clock accuracy.
ptp priority1 priority1Configure the PTP priority1 parameter.
ptp priority2 priority2Configure the PTP priority2 parameter.
ptp priority priorityConfigure the PTP priority parameter.
ptp sm-tlv enableEnable SM-TLV.
ptp sm-tlv default-frame-rates numerator denominatorConfigure the frame rate parameter.
ptp sm-tlv time-address-flags drop-frameEnable the drop frame timecode.
ptp sm-tlv time-address-flags color-frameEnable the color frame timecode.
ptp dscp dscp_valueConfigure the DSCP value in the IP encapsulation of PTP packets.
ptp source ip {A.B.C.D|A::B} [vrf vrf-name]Configure the source IP in the IP encapsulation of PTP packets.
ptp domain domain_idBind the interface to a specific PTP domain.
ptp enableEnable PTP on an interface.
ptp role {dynamic|slave|master}Configure PTP role on an interface.
ptp delay-mechanism {E2E|P2P}Configure the PTP delay measurement mechanism.
ptp transport {{ipv4 |ipv6} {multicast|unicast|mixed}|layer2}Configure the PTP packet encapsulation format.
ptp unicast master address {A.B.C.D|A::B}Configure the destination IP in the IP unicast encapsulation of PTP packets.
ptp announce interval intervalConfigure the Announce message transmission interval.
ptp announce timeout timesConfigure the Announce message reception timeout multiplier.
ptp sync-message interval intervalConfigure the Sync message transmission interval.
ptp delay-req interval intervalConfigure the Delay-req message transmission interval.
ptp pdelay-req interval intervalConfigure the Pdelay-req message transmission interval.
ptp local priority priorityConfigure the PTP priority parameter on the interface.

ptp loglevel {error|warning|notice|info|debug}

Section titled “ptp loglevel {error|warning|notice|info|debug}”

[Command]

ptp loglevel {error|warning|notice|info|debug}

[Purpose]

Configure the log level for the ptp4l process in PTP logs.

[View]

Global Configuration View

[Notes]

The default log level is notice. Run command no ptp loglevel to set the log level to default(notice).

[Use Cases]

sonic# configure terminal
sonic(config)# ptp loglevel info

ptp domain domain_id

Section titled “ptp domain domain_id”

[Command]

ptp domain domain_id

[Purpose]

Creat a PTP domain.

[Parameters]

ParameterDescription
domain_idSpecify the domain ID, the range is [0,127]

[View]

Global Configuration View

[Notes]

Only one PTP domain can be configured. Run command no ptp domain domain_id to delete the PTP domain.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127

ptp profile {smpte-2059-2|1588v2|aes67|g8275.1|g8275.2}

Section titled “ptp profile {smpte-2059-2|1588v2|aes67|g8275.1|g8275.2}”

[Command]

ptp profile {smpte-2059-2|1588v2|aes67|g8275.1|g8275.2}

[Purpose]

Configure the PTP Protocol.

[View]

PTP Domain Configuration View

[Notes]

Only one PTP domain can be configured. Run command no ptp profile to delete the PTP protocol currently in use. All PTP configurations under the current PTP domain will be removed after this operation.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp profile smpte-2059-2

ptp mode clock_mode

Section titled “ptp mode clock_mode”

[Command]

ptp mode clock_mode

[Purpose]

Configure the PTP clock type.

[Parameters]

ParameterDescription
clock_mode

PTP clock type.

When the configured PTP profile is smpte-2059-2, 1588v2, or aes67, the available clock types that can be configured are: oc/bc/e2etc/p2ptc.

When the configured PTP profile is g.8275.1, the available clock types that can be configured are: t-gm/t-bc/t-tsc/t-tc.

When the configured PTP profile is g.8275.2, the available clock types that can be configured are: t-gm/t-bc-p/t-tsc-p.

[View]

PTP Domain Configuration View

[Notes]

The default clock type is bc when the configured PTP profile is smpte-2059-2, 1588v2, or aes67. The default clock type is t-bc when the configured PTP profile is g8275.1. The default clock type is t-bc-p when the configured PTP profile is g8275.2. Run command no ptp mode to set the ptp clock type to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp mode bc

ptp clock-id xxxxxx.xxxx.xxxxxx

Section titled “ptp clock-id xxxxxx.xxxx.xxxxxx”

[Command]

ptp clock-id xxxxxx.xxxx.xxxxxx

[Purpose]

Configure the PTP Clock ID.

[Parameters]

ParameterDescription
xxxxxx.xxxx.xxxxxxPTP Clock ID.

[View]

PTP Domain Configuration View

[Notes]

The default PTP Clock ID is generated based on the MAC address. For example, if the MAC address is 00:01:02:03:04:05, the default Clock ID will be 000102.fffe.030405. When manually configuring a Clock ID using a command, it is essential to ensure that the Clock ID is unique throughout the entire PTP domain. Run command no ptp clock-id to set the ptp Clock ID to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp clock-id 000000.fffe.0000101

ptp clock-step {one_step|two_step}

Section titled “ptp clock-step {one_step|two_step}”

[Command]

ptp clock-step {one_step|two_step}

[Purpose]

Configure the timestamping mode for PTP packets.

[View]

PTP Domain Configuration View

[Notes]

The default timestamping mode is one_step. Run command no ptp clock-step to set the timestamping mode to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp clock-step two_step

ptp class class

Section titled “ptp class class”

[Command]

ptp class class

[Purpose]

Configure the PTP clock class.

[Parameters]

ParameterDescription
classPTP clock class, the range is [0,255]

[View]

PTP Domain Configuration View

[Notes]

The default clock class is 248. When local_class < 128, the device cannot act as a Slave. When local_class > 248, the device cannot act as a Master. Run command no ptp class to set the clock class to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp class 200

ptp accuracy accuracy

Section titled “ptp accuracy accuracy”

[Command]

ptp accuracy accuracy

[Purpose]

Configure the PTP clock accuracy.

[Parameters]

ParameterDescription
accuracyPTP clock accuracy, the range is [0,255]

[View]

PTP Domain Configuration View

[Notes]

The default clock class is 254. Run command no ptp accuracy to set the clock accuracy to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp accuracy 200

ptp priority1 priority1

Section titled “ptp priority1 priority1”

[Command]

ptp priority1 priority1

[Purpose]

Configure the PTP priority1 parameter.

[Parameters]

ParameterDescription
priority1PTP priority1, the range is [0,255]

[View]

PTP Domain Configuration View

[Notes]

The default priority1 is 128. When the configured PTP profile is smpte-2059-2, 1588v2, or aes67, the PTP priority1 parameter can be configured. When the configured PTP profile is g.8275.1 or g.8275.2, the PTP priority1 parameter is not supported. Run command no ptp priority1 to set the priority1 to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp priority1 100

ptp priority2 priority2

Section titled “ptp priority2 priority2”

[Command]

ptp priority2 priority2

[Purpose]

Configure the PTP priority2 parameter.

[Parameters]

ParameterDescription
priority2PTP priority2, the range is [0,255]

[View]

PTP Domain Configuration View

[Notes]

The default priority2 is 128. Run command no ptp priority2 to set the priority2 to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp priority2 100

ptp priority priority

Section titled “ptp priority priority”

[Command]

ptp priority priority

[Purpose]

Configure the PTP priority parameter.

[Parameters]

ParameterDescription
priorityPTP priority, the range is [1,255]

[View]

PTP Domain Configuration View

[Notes]

The default priority is 128. When the configured PTP profile is smpte-2059-2, 1588v2, or aes67, the PTP priority parameter is not supported. When the configured PTP profile is g.8275.1 or g.8275.2, the PTP priority parameter can be configured. Run command no ptp priority to set the priority to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp priority 100

ptp sm-tlv enable

Section titled “ptp sm-tlv enable”

[Command]

ptp sm-tlv enable

[Purpose]

Enable SM-TLV.

[View]

PTP Domain Configuration View

[Notes]

When the configured PTP profile is smpte-2059-2, the SM-TLV is supported.For other PTP profiles, SM-TLV configuration is not supported. Run command no ptp sm-tlv enable to disable SM-TLV.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp sm-tlv enable

ptp sm-tlv default-frame-rates numerator denominator

Section titled “ptp sm-tlv default-frame-rates numerator denominator”

[Command]

ptp sm-tlv default-frame-rates numerator denominator

[Purpose]

Configure the frame rate parameter.

[Parameters]

ParameterDescription
numeratorthe numerator of the frame rate parameter, the range is [0, 4294967295]
denominatorthe denominator of the frame rate parameter, the range is [0, 4294967295]

[View]

PTP Domain Configuration View

[Notes]

When the configured PTP profile is smpte-2059-2, the SM-TLV is supported.For other PTP profiles, SM-TLV configuration is not supported. Frame Rate = numerator/denominator. This configuration is used when the device acts as a GM. Run command no ptp sm-tlv default-frame-rates to set the frame rate to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp sm-tlv default-frame-rates 30000 1001

ptp sm-tlv time-address-flags drop-frame

Section titled “ptp sm-tlv time-address-flags drop-frame”

[Command]

ptp sm-tlv time-address-flags drop-frame

[Purpose]

Enable the drop frame timecode.

[View]

PTP Domain Configuration View

[Notes]

When the configured PTP profile is smpte-2059-2, the SM-TLV is supported.For other PTP profiles, SM-TLV configuration is not supported. This configuration is used when the device acts as a GM. Run command no ptp sm-tlv time-address-flags drop-frame to disable the drop frame timecode.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp sm-tlv time-address-flags drop-frame

ptp sm-tlv time-address-flags color-frame

Section titled “ptp sm-tlv time-address-flags color-frame”

[Command]

ptp sm-tlv time-address-flags color-frame

[Purpose]

Enable the color frame timecode.

[View]

PTP Domain Configuration View

[Notes]

When the configured PTP profile is smpte-2059-2, the SM-TLV is supported.For other PTP profiles, SM-TLV configuration is not supported. This configuration is used when the device acts as a GM. Run command no ptp sm-tlv time-address-flags color-frame to disable the color frame timecode.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp sm-tlv time-address-flags color-frame

ptp dscp dscp_value

Section titled “ptp dscp dscp_value”

[Command]

ptp dscp dscp_value

[Purpose]

Configure the DSCP value in the IP encapsulation of PTP packets.

[Parameters]

ParameterDescription
dscp_valueDSCP Value, the range is [0, 63]

[View]

PTP Domain / Physical Interface Configuration View

[Notes]

The default DSCP value is 56. When the ptp dscp value is configured both at the PTP domain configuration view and the interface configuration view, the configuration under the interface view takes precedence for that specific interface. Run command no ptp dscp to set the DSCP value to default.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp dscp 40

ptp source ip {A.B.C.D|A::B} [vrf vrf-name]

Section titled “ptp source ip {A.B.C.D|A::B} [vrf vrf-name]”

[Command]

ptp source ip {A.B.C.D|A::B} [vrf vrf-name]

[Purpose]

Configure the source IP in the IP encapsulation of PTP packets.

[Parameters]

ParameterDescription
A.B.C.DIPv4 Address.It need to be configured when using IPv4 multicast encapsulation for PTP packets
A::BIPv6 Address.It need to be configured when using IPv6 multicast encapsulation for PTP packets
vrf-nameThe name of the VRF where the IP is located.

[View]

PTP Domain Configuration View / Physical Interface Configuration View

[Notes]

The default source IP is the interface address when there is an address in the interface. Run command no ptp source ip to delete source ip.

[Use Cases]

sonic# configure terminal
sonic(config)# ptp domain 127
sonic(config-ptp-domain-127)# ptp source ip 172.16.1.100

ptp domain domain_id

Section titled “ptp domain domain_id”

[Command]

ptp domain domain_id

[Purpose]

Bind the interface to a specific PTP domain.

[Parameters]

ParameterDescription
domain_idSpecify the domain ID, the range is [0,127]

[View]

Physical Interface Configuration View

[Notes]

Run command no ptp domain to remove the interface from the PTP domain.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp domain 127

ptp enable

Section titled “ptp enable”

[Command]

ptp enable

[Purpose]

Enable PTP on an interface.

[View]

Physical Interface Configuration View

[Notes]

Run command no ptp enable to disable PTP on an interface.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp enable

ptp role {dynamic|slave|master}

Section titled “ptp role {dynamic|slave|master}”

[Command]

ptp role {dynamic|slave|master}

[Purpose]

Configure PTP role on an interface.

[View]

Physical Interface Configuration View

[Notes]

The default role is dynamic, where the role is determined through the BMC or ABMC algorithm. Run command no ptp role to set PTP role to default(dynamic).

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp role slave

ptp delay-mechanism {E2E|P2P}

Section titled “ptp delay-mechanism {E2E|P2P}”

[Command]

ptp delay-mechanism {E2E|P2P}

[Purpose]

Configure the PTP delay measurement mechanism.

[View]

Physical Interface Configuration View

[Notes]

The default delay mechanism is E2E. When the configured PTP profile is smpte-2059-2, 1588v2, or aes67, the E2E and P2P can be configured. When the configured PTP profile is g.8275.1 or g.8275.2, only the E2E is supported. When the delay-mechanism is P2P, the timestamping mode needs to be two_step. When the PTP function is enabled on multiple interfaces, the PTP delay-mechanism configured on these interfaces must be consistent. Run command no ptp delay-mechanism to set the delay-mechanism to default.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp delay-mechanism E2E

ptp transport {{ipv4 |ipv6} {multicast|unicast|mixed}|layer2}

Section titled “ptp transport {{ipv4 |ipv6} {multicast|unicast|mixed}|layer2}”

[Command]

ptp transport {{ipv4 |ipv6} {multicast|unicast|mixed}|layer2}

[Purpose]

Configure the PTP packet encapsulation format.

[View]

Physical Interface Configuration View

[Notes]

When the configured PTP profile is smpte-2059-2, the available packet encapsulation format is {ipv4|ipv6} {multicast|unicast|mixed}. The default format is ipv4 multicast. When the configured PTP profile is1588v2, the available packet encapsulation format is {{ipv4 |ipv6} {multicast|unicast}|layer2}. The default format is ipv4 multicast. When the configured PTP profile is aes67, the available packet encapsulation format is ipv4 {multicast|unicast|mixed}. The default format is ipv4 multicast. When the configured PTP profile is g.8275.1, the available packet encapsulation format is layer2. The default format is layer2. When the configured PTP profile is g.8275.2, the available packet encapsulation format is {ipv4|ipv6}unicast. The default format is ipv4 unicast. When the PTP function is enabled on multiple interfaces, the ptp transport configured on these interfaces must be consistent. Run command no ptp transport to set the packet format to default.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp transport ipv4 multicast

ptp unicast master address {A.B.C.D|A::B}

Section titled “ptp unicast master address {A.B.C.D|A::B}”

[Command]

ptp unicast master address {A.B.C.D|A::B}

[Purpose]

Configure the destination IP in the IP unicast encapsulation of PTP packets.

[Parameters]

ParameterDescription
A.B.C.DIPv4 Address.It need to be configured when using IPv4 unicast encapsulation for PTP packets
A::BIPv6 Address.It need to be configured when using IPv6 unicast encapsulation for PTP packets

[View]

Physical Interface Configuration View

[Notes]

Only slave ports need to configure the ptp unicast master address. This configuration is only valid when the ptp transport is set to {ipv4|ipv6} unicast. The configured ptp unicast master address must be in the same subnet as the interface IP address. Run command no ptp unicast master address {A.B.C.D|A::B} to remove the destination IP.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp unicast master address 10.245.0.17

ptp announce interval interval

Section titled “ptp announce interval interval”

[Command]

ptp announce interval interval

[Purpose]

Configure the Announce message transmission interval.

[Parameters]

ParameterDescription
interval

Announce message transmission interval.

When the configured PTP profile is smpte-2059-2, the range is [-3,1]. The default value is 0.

When the configured PTP profile is 1588v2, the range is [0,4]. The default value is 1.

When the configured PTP profile is aes67, the range is [0,4]. The default value is 1.

When the configured PTP profile is g.8275.1, the interval cannot be modified. The default value is -3.

When the configured PTP profile is g.8275.2, the range is [-3,0]. The default value is -3.

[View]

Physical Interface Configuration View

[Notes]

Interval duration = 2interval seconds. Run command no ptp announce interval to set the announce interval to default.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp announce interval 0

ptp announce timeout times

Section titled “ptp announce timeout times”

[Command]

ptp announce timeout times

[Purpose]

Configure the Announce message reception timeout multiplier.

[Parameters]

ParameterDescription
timesAnnounce message reception timeout multiplier, the range is [2,10]. The default value is 3.

[View]

Physical Interface Configuration View

[Notes]

When the configured PTP profile is smpte-2059-2,1588v2,aes67, the announce message reception timeout multiplier can be modified.For other PTP profiles, the configuration cannot be modified. Run command no ptp announce timeout to set the announce message reception timeout multiplier to default.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp announce timeout 6

ptp sync-message interval interval

Section titled “ptp sync-message interval interval”

[Command]

ptp sync-message interval interval

[Purpose]

Configure the Sync message transmission interval.

[Parameters]

ParameterDescription
interval

Sync message transmission interval.

When the configured PTP profile is smpte-2059-2, the range is [-7,1]. The default value is -3.

When the configured PTP profile is 1588v2, the range is [-7,1]. The default value is 0.

When the configured PTP profile is aes67, the range is [-4,1]. The default value is -3.

When the configured PTP profile is g.8275.1, the interval cannot be modified. The default value is -4.

When the configured PTP profile is g.8275.2, the range is [-7,0]. The default value is -4.

[View]

Physical Interface Configuration View

[Notes]

Interval duration = 2interval seconds. Run command no ptp sync-message interval to set the Sync message interval to default.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp sync-message interval 0

ptp delay-req interval interval

Section titled “ptp delay-req interval interval”

[Command]

ptp delay-req interval interval

[Purpose]

Configure the Delay-req message transmission interval.

[Parameters]

ParameterDescription
interval

Delay-req message transmission interval.

When the configured PTP profile is smpte-2059-2, the range is [-3,5]. The default value is -3.

When the configured PTP profile is 1588v2, the range is [-7,5]. The default value is 0.

When the configured PTP profile is aes67, the range is [-4,5]. The default value is 0.

When the configured PTP profile is g.8275.1, the interval cannot be modified. The default value is -4.

When the configured PTP profile is g.8275.2, the range is [-7,0]. The default value is -4.

[View]

Physical Interface Configuration View

[Notes]

Interval duration = 2interval seconds. Run command no ptp delay-req interval to set the Delay-req message interval to default.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp delay-req interval 0

ptp pdelay-req interval interval

Section titled “ptp pdelay-req interval interval”

[Command]

ptp pdelay-req interval interval

[Purpose]

Configure the Pdelay-req message transmission interval.

[Parameters]

ParameterDescription
interval

Pdelay-req message transmission interval.

When the configured PTP profile is smpte-2059-2, the range is [-3,5]. The default value is -3.

When the configured PTP profile is 1588v2, the range is [-7,5]. The default value is 0.

When the configured PTP profile is aes67, the range is [-4,5]. The default value is 0.

[View]

Physical Interface Configuration View

[Notes]

Interval duration = 2interval seconds. Run command no ptp pdelay-req interval to set the Pdelay-req message interval to default.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp pdelay-req interval 0

ptp local priority priority

Section titled “ptp local priority priority”

[Command]

ptp local priority priority

[Purpose]

Configure the PTP priority parameter on the interface.

[Parameters]

ParameterDescription
priorityPTP priority, the range is [1,255]

[View]

Physical Interface Configuration View

[Notes]

The default priority is 128. When the configured PTP profile is smpte-2059-2, 1588v2, or aes67, the PTP priority parameter is not supported. When the configured PTP profile is g.8275.1 or g.8275.2, the PTP priority parameter can be configured. Run command no ptp local priority to set the priority to default.

[Use Cases]

sonic# configure terminal
sonic(config)# interface ethernet 0/18
sonic(config-if-0/18)# ptp local priority 10