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Cisco Bug: CSCtd40613 - adj_ios_request_resolve, fails to clone pak on some platforms

Last Modified

Feb 13, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

12.2XN 12.4(24)T3 15.0(1)M 15.0(1)XA0.1

Description (partial)

Symptoms: For packets that are destined to unresolved neighbors, CEF will 

1) Upon resolution failure: fail to send an ICMP unreachable containing (part 
of) the original packet that prompted the resolution.
2) Upon resolution success: fail to send the original packet to the neighbor.

Conditions: This failure occurs when the driver has insufficient buffers to 
clone the original packet. It affects only some drivers. The list of affected 
drivers is not completely known.
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