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Cisco Bug: CSCup82642 - Incorrect EID prefix reachability

Last Modified

Sep 14, 2019

Products (115)

  • Cisco IOS
  • Cisco 819 Hardened Integrated Services Router
  • Cisco C897VA Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
  • Cisco VG204XM Analog Voice Gateway
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco 1905 Serial Integrated Services Router
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Known Affected Releases

15.4(3)M 15.5(1)S

Description (partial)

In rare cases LISP local EID database prefix incorrectly reported as reachable after RIB route providing reachability has been removed from the RIB.

Reachability to EID space is provided by a recursive BGP or static route and the route becomes unreachable because the reachability of its next hop changes. This can happen if the BGP or static route next-hop resolves, for example, through a connected route and that connected is removed from the RIB triggered by an interface shut.
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