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Cisco Bug: CSCuo09249 - Map-request filtering blocks map-request from new RLOC after RLOC change

Last Modified

Mar 25, 2019

Products (21)

  • Cisco IOS
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
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Known Affected Releases

15.4(2)S 15.4(2.25)T

Description (partial)

Symptom: An xTR changes its RLOC, map-request packets from that new RLOC are dropped on the MS/MR due to policy violation, for example:
*Apr 2 15:29:15 JST: LISP-0: AF IID 100 IPv4, Map resolver filtered incoming map request from  2400:A:A:9999:C267:AFFF:FE52:287 because it does not conform to the configured allowed-locator policy.
Conditions: This symptom is observed when {ipv4|ipv6} map-resolver map-request validate source registered is configured on the MS/MR
and the xTR RLOC is updated, for example, by DHCP when the {ipv4|ipv6}-interface configuration is used in the database-mapping configuration. Both the new and the old RLOC must have been valid.
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