All MIBs › CM-IP-MIB › cmIpInterfaceMask
cmIpInterfaceMask
Module: CM-IP-MIB
OID (symbolic): CM-IP-MIB::cmIpInterfaceMask
OID (numeric): 1.3.6.1.4.1.2544.1.12.11.1.1.1.3
Node type: OBJECT-TYPE
Type: IpAddress
Access: read-write
Description: IP Mask of the interface.
What is cmIpInterfaceMask?
This read-write object sets the IPv4 subnet mask applied to this IP interface. Admins configure it correctly to define the interface's local subnet boundary, which determines what traffic is considered locally reachable versus needing to be routed. For example, changing this interface's subnet from a /24 to a /25 to split a management VLAN would require updating this mask object accordingly.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.11.1.1.1.3 snmpwalk -v2c -c public <target> CM-IP-MIB::cmIpInterfaceMask
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.11.1.1.1.3.1 snmpget -v2c -c public <target> CM-IP-MIB::cmIpInterfaceMask.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.2544.1.12.11.1.1.1.3.1 a <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 |
|---|---|---|
| 1.3.6.1.4.1.2544.1.12.11 | cmIPMIB | CM-IP-MIB |
| 1.3.6.1.4.1.2544.1.12.11.1 | cmIpObjects | CM-IP-MIB |
| 1.3.6.1.4.1.2544.1.12.11.1.1 | cmIpInterfaceTable | CM-IP-MIB |
| 1.3.6.1.4.1.2544.1.12.11.1.1.1 | cmIpInterfaceEntry | CM-IP-MIB |
| 1.3.6.1.4.1.2544.1.12.11.1.1.1.3 | cmIpInterfaceMask | CM-IP-MIB |