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Cisco Bug: CSCum92596 - IPV6 Pkts to all nodes multicast are dropped if mld snooping is enabled

Last Modified

Feb 23, 2018

Products (134)

  • Cisco IOS
  • Cisco ME 3400-24TS-A Switch
  • Cisco Catalyst 3560E-12D-E Switch
  • Cisco Catalyst 2960-24-S Switch
  • Cisco Catalyst 3750G-12S Switch
  • Cisco Catalyst 3560-12PC-S Compact Switch
  • Cisco Catalyst 3560E-48PD-SF Switch
  • Cisco Catalyst 3560G-48PS Switch
  • Cisco Catalyst 2960G-24TC-L Switch
  • Cisco Catalyst 3560E-48PD-E Switch
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Known Affected Releases

12.2(55)SE5 15.0(2.0.4)

Description (partial) 

Symptom:
IPv6 Packets to RA address (all nodes multicast) are dropped if mld snooping is enabled.

Conditions:
VTP domain was changed.

Related Community Discussions

IPv6 ND through 3560G
Hi all, we are currently trying to establish IPv6 between two routers. The routers are connected to 3560G switches (c3560-ipbasek9-mz.122-58.SE2). We have some issues with IPv6 neighbor discovery, the routers did not see each other in neighbor table (IPv4 ARP works fine). After connecting them to 3750 switches everything works fine so the issue is most likely related to the 3560G switches. All switches act as L2 devices, no routing between the routers interfaces. Though it should only be related ...
Latest activity: Nov 07, 2014
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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