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Cisco Bug: CSCtc55409 - MTU 1500 from ATM sub int cannot remove if MTU 1500 in ATM main int

Last Modified

Apr 19, 2012

Products (1)

  • Cisco IOS

Known Affected Releases

15.1(0.5)T 15.0(1)M 12.4(23c)

Description (partial)

Symptom:

 If I have MTU 1500 in main interface and also same MTU 1500 in sub  interface, then if I try to remove the sub interface MTU, it is not  removed,

Ways to remove the sub interface MTU is ,

 1) Remove the MTU from main interface, then remove the MTU from sub 
 interface.,

 2) Change the MTU in sub interface to different value and then remove


Conditions:

 If I have MTU 1500 in main interface and also same MTU 1500 in sub  interface, then if I try to remove the sub interface MTU, it is not  removed,
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