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Cisco Bug: CSCvi03865 - Floating conn doesn't work when the secondary gateway's arp is not known

Last Modified

Jul 25, 2019

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.6(3.20)

Description (partial)

Symptom:
Floating conn doesn't work when the secondary isp's arp address is not there in the asa cache and traffic starts to blackhole, even when the primary ISP comes up the traffic doesn't shift to primary link.

Conditions:
Primary ISP was active and connections were traversing through it and then sla goes down and secondary route becomes active and  ARP of secondary gateway not known, at this point even if the primary link comes up and the route becomes active it will not switchover(floating conn doesn't work here).
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