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Cisco Bug: CSCtf00234 - Incoming sessions rejected, due to Inner Vlan counter not decreased

Last Modified

Feb 28, 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 NPE-G100 Network Processing Engine
  • Cisco 7304 NSE-100 Network Services Engine

Known Affected Releases


Description (partial)

Symptoms: With Cisco IOS Release 12.2(33)SB8, PPPoE users are rejected, with
 the following error message: 
 PPPOE: Max Inner Vlan session count(1) exceeded on TenGigabitEthernet5/0/
 Conditions: The symptom is likely to be seen when you encounter an error
 during PADR processing which can be triggered due to low memory on the router
 or a wrong PADR from peer. In this case, some sessions are not freed properly
 leading to ghost sessions, so the new session are rejected if BBA group is
 configured with some sort of session limit (for example "sessions per-vlan
 limit 65530 inner 1").
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Bug Details Include

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