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Cisco Bug: CSCvu39379 - PTP packets not forwared on interface with PVLAN configuration

Last Modified

Jul 17, 2020

Products (65)

  • Cisco Nexus 3000 Series Switches
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 93600CD-GX Switch
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 92348GC-X Switch
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 3636C-R Switch
  • Cisco Nexus 31108TC-V Switch
  • Cisco Nexus 93108TC-FX Switch
  • Cisco Nexus 92304QC Switch
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Known Affected Releases

7.0(3)I7(8) 9.3(4)

Description (partial)

Symptom:
PTP packets (Announce, Sync, Followup) are not forwarded / sent on interface with PVLAN configuration

With below config :

interface Ethernet1/1
  ptp
  ptp vlan 2022  >>>>>
  switchport mode private-vlan host >>>>>>
  switchport private-vlan host-association 200 2022 >>>>>>>

Below Output :

show ptp counters interface e1/1

PTP Packet Counters of Interface Eth1/1:
----------------------------------------------------------------
Packet Type                  TX                      RX
----------------    --------------------    --------------------
Announce                           0                       0
Sync                               0                       0
FollowUp                           0                       0
Delay Request                      0                       0
Delay Response                     0                       0
PDelay Request                     0                       0
PDelay Response                    0                       0
PDelay Followup                    0                       0
----------------------------------------------------------------

Conditions:
Nexus 3500
Version  7.0.3.I7(8) and 9.3(4)
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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