All MIBs › ALTEON-CHEETAH-SWITCH-MIB › agDosPortStatsSNMPNull
agDosPortStatsSNMPNull
Module: ALTEON-CHEETAH-SWITCH-MIB
OID (symbolic): ALTEON-CHEETAH-SWITCH-MIB::agDosPortStatsSNMPNull
OID (numeric): 1.3.6.1.4.1.1872.2.5.1.2.6.1.1.50
Node type: OBJECT-TYPE
Type: Counter32
Access: read-only
Description: UDP packets with DPORT=161 and without payload.
What is agDosPortStatsSNMPNull?
This Counter32 detects SNMP packets (UDP port 161) without payload—malformed queries that serve no legitimate purpose. Network engineers monitor this for SNMP abuse attempts. Example: elevated counts from external sources indicate SNMP scanning or weaponization attempts.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.1872.2.5.1.2.6.1.1.50 snmpwalk -v2c -c public <target> ALTEON-CHEETAH-SWITCH-MIB::agDosPortStatsSNMPNull
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.1872.2.5.1.2.6.1.1.50.1 snmpget -v2c -c public <target> ALTEON-CHEETAH-SWITCH-MIB::agDosPortStatsSNMPNull.1
Start monitoring Alteon (Nortel/Radware) Cheetah-based application switches (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ALTEON-CHEETAH-SWITCH-MIB::agDosPortStatsSNMPNull OID value, configure state conditions and alerts, and monitor any Alteon (Nortel/Radware) Cheetah-based application switches (legacy) from a single console.
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 |
| 1.3.6.1.4.1.1872 | alteon | ALTEON-PRIVATE-MIBS |
| 1.3.6.1.4.1.1872.2 | private_mibs | ALTEON-PRIVATE-MIBS |
| 1.3.6.1.4.1.1872.2.5 | aws_switch | ALTEON-ROOT-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.1872.2.5.1 | agent | ALTEON-CHEETAH-SWITCH-MIB |
| 1.3.6.1.4.1.1872.2.5.1.2 | agentStats | ALTEON-CHEETAH-SWITCH-MIB |
| 1.3.6.1.4.1.1872.2.5.1.2.6 | securityStats | ALTEON-CHEETAH-SWITCH-MIB |
| 1.3.6.1.4.1.1872.2.5.1.2.6.1 | agDosPortStatsTable | ALTEON-CHEETAH-SWITCH-MIB |
| 1.3.6.1.4.1.1872.2.5.1.2.6.1.1 | agDosPortStatsTableEntry | ALTEON-CHEETAH-SWITCH-MIB |
| 1.3.6.1.4.1.1872.2.5.1.2.6.1.1.50 | agDosPortStatsSNMPNull | ALTEON-CHEETAH-SWITCH-MIB |