Guest

Preview Tool

Cisco Bug: CSCum18490 - N7K:Cannot enable PFC when PONG is enabled on F2

Last Modified

Feb 15, 2018

Products (5)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

6.1(2)

Description (partial)

Symptom:
Unable to turn on PFC on F2 interface on F2 VDC when feature PONG is enabled in the VDC and error message indicates PFC cannot be enabled while PONG or PTP is enabled.

N7K-02-FP(config-if)# priority-flow-control mode on
ERROR: Cannot enable PFC when PTP or PONG is already configured on interface 0x1a28c000
N7K-02-FP(config-if)#

N7K-02-FP(config)# int ethernet 6/13
N7K-02-FP(config-if)# priority-flow-control mode ?
  auto  Set Auto Mode
  off   Force PFC to Off
  on    Force PFC to On

N7K-02-FP(config-if)# priority-flow-control mode on
ERROR: Cannot enable PFC when PTP or PONG is already configured on interface 0x1a28c000
N7K-02-FP(config-if)# sh mod
Mod  Ports  Module-Type                         Model              Status
---  -----  ----------------------------------- ------------------ ----------
1    0      Supervisor module-2                 N7K-SUP2           active *
3    48     10/100/1000 Mbps Ethernet XL Module N7K-M148GT-11L     ok
6    48     1/10 Gbps Ethernet Module           N7K-F248XP-25      ok
7    48     1/10 Gbps Ethernet Module           N7K-F248XP-25      ok

Mod  Sw              Hw
---  --------------  ------
1    6.1(2)          1.0
3    6.1(2)          1.2
6    6.1(2)          1.0
7    6.1(2)          1.0

Conditions:
Feature PONG is already enabled while attempting to configure PFC on the F2 interface.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.