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Cisco Bug: CSCsz81158 - withdraws missing leaving stale prefixes in a scale scenario

Last Modified

Jan 29, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(31)SB

Description (partial)

Symptoms: Stale prefixes are seen in BGP tables because of missing withdrawals.

Conditions: The symptom is seen in a scale setup where the UUT has hundreds of
peers. After several hundred thousand prefixes have been exchanged, the removal
of some prefixes at a neighbor will not cause the UUT to send withdrawals of
those prefixes to the neighbors it has already advertised those prefixes to.
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Bug Details Include

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  • Status
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