All MIBs › SMON2-MIB › xsActiveApplicationsBitMask
xsActiveApplicationsBitMask
Module: SMON2-MIB
OID (symbolic): SMON2-MIB::xsActiveApplicationsBitMask
OID (numeric): 1.3.6.1.4.1.81.30.2.9.1
Node type: OBJECT-TYPE
Type: OCTET STRING
Access: read-only
Description: The Active Applications bit mask is representing every active application from the first 1024 'well defined' applications. Each application is represented by a single bit in the string. Application number 1 is represented by the first bit in the string. Bit value '1' means, the protocol is active. Bit value '0' means, the protocol is inactive. For example the FTP data application, assigned as number 20. If the FTP application is active, then the bit number 20 will be set to '1'.
What is xsActiveApplicationsBitMask?
This read-only 128-octet bit string represents, one bit per application, which of the first 1024 'well-known' applications are currently active on the probe — for example bit 20 (FTP data) is set to 1 if FTP data traffic is currently seen. Admins scan this bitmask to quickly see which well-known protocols are actively in use on the network without walking the full active-applications table.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.81.30.2.9.1 snmpwalk -v2c -c public <target> SMON2-MIB::xsActiveApplicationsBitMask
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.81.30.2.9.1.1 snmpget -v2c -c public <target> SMON2-MIB::xsActiveApplicationsBitMask.1
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OID Breakdown
Upper-level ancestors (8 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 |
| 1.3.6.1.4.1.81 | lannet | GEN-MIB |
| 1.3.6.1.4.1.81.30 | smon | APPLIC-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.81.30.2 | xsSmon | SMON2-MIB |
| 1.3.6.1.4.1.81.30.2.9 | xsActiveApplications | SMON2-MIB |
| 1.3.6.1.4.1.81.30.2.9.1 | xsActiveApplicationsBitMask | SMON2-MIB |