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Cisco Bug: CSCvs29433 - EIGRP learned routes flapping when associated prefix-list is modified

Last Modified

Sep 04, 2020

Products (55)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 92304QC Switch
  • Cisco Nexus 3132Q-V Switch
  • Cisco Nexus 31108TC-V Switch
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 9396TX Switch
  • Cisco Nexus 3548-XL Switch
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Known Affected Releases

7.0(3)I7(6) 9.3(2)IIL9(0.140)

Description (partial)

Symptom:
Topology

N9K-1--------EIGRP--------N9K2

Prefix-list configured on N9K-1 matching static routes.
That prefix-list is configured under route-map.
This route-map is used redistribute static routes into EIGRP.

When new entry is added to a prefix-list on N9K1, EIGRP learned routes on N9K-2 flaps.

If we use OSPF as routing protocol, we don't see route flap.

Conditions:
Prefix-list is used to redistribute static routes in EIGRP
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Bug Details Include

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