2.28. IGMP
These log messages refer to the IGMP (IGMP events) category.
2.28.1. querier_election_won (ID: 04200001)
Default Severity NOTICE
Log Message Taking on the role of Querier at interface <iface>.
Explanation This router is now the IGMP Querier at the specified interface.
Gateway Action none
Recommended Action None.
Revision 1
Parameters iface
2.28.2. querier_election_lost (ID: 04200002)
Default Severity NOTICE
Log Message Lost Querier election to <dest> at interface <iface>.
Explanation "I" am no longer the IMGP Querier at the specified interface.
Gateway Action None
Recommended Action None.
Revision 1
Parameters dest
iface
2.28.3. invalid_dest_ip_address (ID: 04200003)
Default Severity WARNING
Log Message Rejected IGMP message directed to unicast IP <ip_dest> at interface
<recv_if>.
Explanation Rejected IGMP message directed to a unicast IP. Possible IGMP DoS
attack. Note that sending IGMP messages to a unicast IP is legal with
IGMPv1 and IGMPv2, but not recommended.
Gateway Action drop
Recommended Action Identify the offending application, upgrade if possible.
Revision 1
Chapter 2: Log Message Reference
307
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