All MIBs › CISCOSB-MGMD-ROUTER-MIB › rlMgmdRouterInterfaceExtNumInvalidMsgsRcvd
rlMgmdRouterInterfaceExtNumInvalidMsgsRcvd
Module: CISCOSB-MGMD-ROUTER-MIB
OID (symbolic): CISCOSB-MGMD-ROUTER-MIB::rlMgmdRouterInterfaceExtNumInvalidMsgsRcvd
OID (numeric): 1.3.6.1.4.1.9.6.1.101.225.1.1.7
Node type: OBJECT-TYPE
Type: Unsigned32
Access: read-only
Description: The number of Invalid IGMP or MLD messages received for this interface.
What is rlMgmdRouterInterfaceExtNumInvalidMsgsRcvd?
This read-only Unsigned32 counts the number of invalid IGMP or MLD messages received on this interface. It helps the admin spot malformed multicast signaling traffic that could indicate a misbehaving host or an attack. For example, a sudden spike in this counter could indicate a misbehaving host or a multicast-based attack sending malformed membership reports.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.6.1.101.225.1.1.7 snmpwalk -v2c -c public <target> CISCOSB-MGMD-ROUTER-MIB::rlMgmdRouterInterfaceExtNumInvalidMsgsRcvd
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.9.6.1.101.225.1.1.7.1 snmpget -v2c -c public <target> CISCOSB-MGMD-ROUTER-MIB::rlMgmdRouterInterfaceExtNumInvalidMsgsRcvd.1
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OID Breakdown
Upper-level ancestors (10 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.9 | cisco | CAT2600-MIB |
| 1.3.6.1.4.1.9.6 | otherEnterprises | CISCO-SMI |
| 1.3.6.1.4.1.9.6.1 | ciscoSB | CISCO-SMI |
| 1.3.6.1.4.1.9.6.1.101 | switch001 | CISCOSB-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.9.6.1.101.225 | rlIgmp | CISCOSB-MGMD-ROUTER-MIB |
| 1.3.6.1.4.1.9.6.1.101.225.1 | rlMgmdInterfaceExtTable | CISCOSB-MGMD-ROUTER-MIB |
| 1.3.6.1.4.1.9.6.1.101.225.1.1 | rlMgmdInterfaceExtEntry | CISCOSB-MGMD-ROUTER-MIB |
| 1.3.6.1.4.1.9.6.1.101.225.1.1.7 | rlMgmdRouterInterfaceExtNumInvalidMsgsRcvd | CISCOSB-MGMD-ROUTER-MIB |