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Cisco Bug: CSCuj47104 - EIGRP routes on the active ASA getting deleted after the ASA failover

Last Modified

Apr 16, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

100.7(6.118) 9.1(3)

Description (partial)

Symptom:
EIGRP routes on the active ASA getting deleted after the ASA failover. The ASA running version 9.1.3.  
The EIGRP routes get deleted after 60-65 seconds of the failover with the following debug message (when 'debug route ha' is configured on the ASA).

ROUTE HA: Reconvergence Timer expired, flushing out stale routes.
ROUTE HA: Flush Stale Entries from RIB
ROUTE HA: delete route to x.x.x.x  y.y.z.z
ROUTE HA: delete route to a.b.c.d y.y.z.z

Conditions:
Two ASA's in Active/Standby failover pair running v9.1.3. The router connected to the ASA configured in such a way where both  'ip summary-address' and routers interface subnets are configured in the same classless subnet on the router.

E.g.-  Command 'ip summary-address eigrp 100 10.100.0.0 255.255.0.0' and 'ip summary-address eigrp 100 10.102.0.0 255.255.0.0'configured on the router, when the router is already configured with interfaces in subnet 10.100.255.x/29 and  10.102.255.x/29.

After the fail-over from an ASA to the other ASA,  EIGRP routes on active ASA get deleted.
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