All MIBs › CM-SECURITY-MIB › icmpV6DropNeighborAdvertisement
icmpV6DropNeighborAdvertisement
Module: CM-SECURITY-MIB
OID (symbolic): CM-SECURITY-MIB::icmpV6DropNeighborAdvertisement
OID (numeric): 1.3.6.1.4.1.2544.1.12.10.1.21.5
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-write
Description: This object is used to enable/disable Dropping Neighbor Advertisement.
What is icmpV6DropNeighborAdvertisement?
This read-write enabled/disabled INTEGER controls whether the device drops incoming IPv6 Neighbor Advertisement messages. An admin enables this as a defense against IPv6 neighbor spoofing, where a rogue host advertises a false MAC-to-address binding. For example, enabling this drop on an untrusted-facing port helps mitigate IPv6 neighbor cache poisoning attempts from that segment.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.10.1.21.5 snmpwalk -v2c -c public <target> CM-SECURITY-MIB::icmpV6DropNeighborAdvertisement
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.10.1.21.5.1 snmpget -v2c -c public <target> CM-SECURITY-MIB::icmpV6DropNeighborAdvertisement.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.2544.1.12.10.1.21.5.1 i <value>
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OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4.1.2544 | advaMIB | ADVA-MIB |
| 1.3.6.1.4.1.2544.1 | products | ADVA-MIB |
| 1.3.6.1.4.1.2544.1.12 | fsp150cm | ADVA-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2544.1.12.10 | cmSecurityMIB | CM-SECURITY-MIB |
| 1.3.6.1.4.1.2544.1.12.10.1 | cmSecurityObjects | CM-SECURITY-MIB |
| 1.3.6.1.4.1.2544.1.12.10.1.21 | cmIcmpV6Objects | CM-SECURITY-MIB |
| 1.3.6.1.4.1.2544.1.12.10.1.21.5 | icmpV6DropNeighborAdvertisement | CM-SECURITY-MIB |