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Cisco Bug: CSCtc24967 - Q-in-Q with 'encapsulation dot1q second-dot1q any' disconnects PPPoE

Last Modified

Feb 02, 2017

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)


When configuring Q-in-Q subinterface using the
command 'encapsulation dot1q second-dot1q any' and we reach a total of 20-40
total subinterfaces all the PPPoE sessions associated to main interface
become disconnected. 


First noticed on 10K running Version 12.2(31)SB10
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Bug Details Include

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  • Status
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