All MIBs › SNMP-USER-BASED-SM-MIB › usmStatsNotInTimeWindows
usmStatsNotInTimeWindows
Module: SNMP-USER-BASED-SM-MIB
OID (symbolic): SNMP-USER-BASED-SM-MIB::usmStatsNotInTimeWindows
OID (numeric): 1.3.6.1.6.3.15.1.1.2
Node type: OBJECT-TYPE
Type: Counter32
Access: read-only
Description:
The total number of packets received by the SNMP engine which were dropped because they appeared outside of the authoritative SNMP engine's window.
What is usmStatsNotInTimeWindows?
This counts SNMP messages dropped because their timestamp fell outside the engine's valid time window. It detects clock skew attacks or synchronized device failures. An operator monitors this when troubleshooting SNMPv3 authentication failures or NTP synchronization issues.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.6.3.15.1.1.2 snmpwalk -v2c -c public <target> SNMP-USER-BASED-SM-MIB::usmStatsNotInTimeWindows
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.6.3.15.1.1.2.1 snmpget -v2c -c public <target> SNMP-USER-BASED-SM-MIB::usmStatsNotInTimeWindows.1
OID Breakdown
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | BIANCA-BRICK-PPP-MIB |
| 1.3.6 | dod | BIANCA-BRICK-PPP-MIB |
| 1.3.6.1 | internet | BIANCA-BRICK-PPP-MIB |
| 1.3.6.1.6 | snmpV2 | DASAN-DHCP-MIB |
| 1.3.6.1.6.3 | snmpModules | RAPID-CITY |
| 1.3.6.1.6.3.15 | snmpUsmMIB | SNMP-USER-BASED-SM-MIB |
| 1.3.6.1.6.3.15.1 | usmMIBObjects | SNMP-USER-BASED-SM-MIB |
| 1.3.6.1.6.3.15.1.1 | usmStats | SNMP-USER-BASED-SM-MIB |
| 1.3.6.1.6.3.15.1.1.2 | usmStatsNotInTimeWindows | SNMP-USER-BASED-SM-MIB |