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Cisco Bug: CSCtf30031 - ATM F4 OAM PVC and F5 PVC does not come up after main IF shut/no shut

Last Modified

Mar 01, 2018

Products (7)

  • Cisco IOS
  • Cisco 10000 Performance Routing Engine 4 (PRE4)
  • Cisco 10000 Performance Routing Engine 3 (PRE3)
  • Cisco 7304 NSE-150 Network Services Engine
  • Cisco 10000 Performance Routing Engine 2 (PRE2)
  • Cisco 7304 NSE-100 Network Services Engine
  • Cisco 7304 NPE-G100 Network Processing Engine

Known Affected Releases

12.2(33)SB7 12.2(33)SB8

Description (partial)

When doing shutdown&noshutdown under main interface, PVC for F4 OAM does not come up,
and all of PVCs under the affected F4 OAM PVC does not come up also. When the issue happens, status of PVC is DN, but status of show interface is up/up.

N10008C-#show atm pvc | exc UP

           VCD /                                            Peak Av/Min Burst
Interface  Name         VPI   VCI Type    Encaps     SC     Kbps   Kbps Cells St
8/0/2      1             30     3 PVC     F4-OAM     UBR   45000              DN
8/0/2.51   7             30    51 PVC     SNAP       VBR   18000  12000     1 DN
8/0/2.52   8             30    52 PVC     SNAP       VBR   18000  12000     1 DN

N10008#show ip interface brie
ATM8/0/2               unassigned      YES NVRAM  up                    up      
ATM8/0/2.51        YES NVRAM  up                    up      
ATM8/0/2.52        YES NVRAM  up                    up      

The issue is seen only when "no-f4-mgmt" is enabled, and a lot of PVC(over 500) are configured under the ATM interface.
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