{
  "id": "networking/multicast-igmp-query-timeout",
  "signature": "IGMP: Membership query timeout on interface eth0, group 239.0.0.1",
  "signature_zh": "IGMP：接口eth0上的组成员查询超时，组239.0.0.1",
  "regex": "IGMP.*timeout|Membership query timeout|igmp_query_timeout",
  "domain": "networking",
  "category": "protocol_error",
  "subcategory": null,
  "root_cause": "The IGMP querier (typically a router) stopped sending periodic membership queries, causing the multicast group to time out and traffic to stop being forwarded to receivers.",
  "root_cause_type": "generic",
  "root_cause_zh": "IGMP查询器（通常是路由器）停止发送周期性成员查询，导致多播组超时，流量停止转发到接收者。",
  "versions": [
    {
      "version": "Linux 5.10+",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Cisco IOS 12.2",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Arista EOS 4.28",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Mellanox ONYX 3.6",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "If the querier is still not sending queries, the host will again time out after the group membership expires.",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "This delays the timeout but does not fix the root cause of missing queries from the querier.",
      "fail_rate": 0.75,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Restart the IGMP querier process on the router: on Cisco, 'no ip igmp snooping querier' followed by 'ip igmp snooping querier 10.0.0.1'",
      "success_rate": 0.9,
      "how": "Restart the IGMP querier process on the router: on Cisco, 'no ip igmp snooping querier' followed by 'ip igmp snooping querier 10.0.0.1'",
      "condition": "",
      "sources": []
    },
    {
      "action": "Manually send an IGMP membership report from the receiver using a tool like 'igmpjoin' to rejoin the group: igmpjoin -i eth0 -g 239.0.0.1",
      "success_rate": 0.8,
      "how": "Manually send an IGMP membership report from the receiver using a tool like 'igmpjoin' to rejoin the group: igmpjoin -i eth0 -g 239.0.0.1",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Restart the IGMP querier process on the router: on Cisco, 'no ip igmp snooping querier' followed by 'ip igmp snooping querier 10.0.0.1'",
    "Manually send an IGMP membership report from the receiver using a tool like 'igmpjoin' to rejoin the group: igmpjoin -i eth0 -g 239.0.0.1"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://datatracker.ietf.org/doc/html/rfc2236",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.83,
  "fix_success_rate": 0.85,
  "resolvable": "partial",
  "first_seen": "2024-08-22",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}