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Cisco Bug: CSCvh57050 - IGMP multicast SSM-map with DNS doesn't work with IGMPv3

Last Modified

Sep 28, 2019

Products (31)

  • Cisco IOS
  • Cisco NCS 4202
  • Cisco ASR 920-10SZ-PD Router
  • Cisco 4221 Integrated Services Router
  • Cisco ASR 920-24TZ-M Router
  • Cisco 4431 Integrated Services Router
  • Cisco ASR 1002-X Router
  • Cisco 4321 Integrated Services Router
  • Cisco 4331 Integrated Services Router
  • Cisco NCS 4216
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Known Affected Releases

Fuji-16.7.1

Description (partial)

Symptom:
PIM  SSM mode with DNS source mapping,  native IGMPv3 reports are not processed correctly, only IGMPv2-to-IGMPv3 mapping triggers the mroute creation in SSM mode with DNS source mapping. IGMPv3 reporters don't receive mcast traffic and cannot subscribe for a requested (S,G) entry.

Conditions:
PIM  SSM mode with DNS source mapping,  IGMPv3 reporters
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