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Cisco Bug: CSCvs44939 - ASR 9K XR 6.4.2 DHCP Process Crash

Last Modified

Jan 16, 2020

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

6.6.2.BASE

Description (partial)

Symptom:
DHCP Process crashed while trying to access already released memory

Conditions:
Configure "allow-client-id-change" and "duplicate-mac-allowed" under DHCP IPv4 and bring up a new session for a client, where there is already another active binding with same mac address but different client id.
This issue may hit only with high scale.
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