ALTEON-CHEETAH-SWITCH-MIB :: agDosPortStatsSeqZero

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsALTEON-CHEETAH-SWITCH-MIBagDosPortStatsSeqZero

agDosPortStatsSeqZero

Module: ALTEON-CHEETAH-SWITCH-MIB

OID (symbolic): ALTEON-CHEETAH-SWITCH-MIB::agDosPortStatsSeqZero

OID (numeric): 1.3.6.1.4.1.1872.2.5.1.2.6.1.1.42

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: TCP packets with sequence number is zero.

What is agDosPortStatsSeqZero?

This Counter32 tracks TCP packets with sequence number 0—highly unusual outside initial handshakes. Network engineers monitor this for packet crafting attacks. Example: isolated hits are benign; clustering indicates automated tools or coordinated attacks.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.1872.2.5.1.2.6.1.1.42
snmpwalk -v2c -c public <target> ALTEON-CHEETAH-SWITCH-MIB::agDosPortStatsSeqZero

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.1872.2.5.1.2.6.1.1.42.1
snmpget -v2c -c public <target> ALTEON-CHEETAH-SWITCH-MIB::agDosPortStatsSeqZero.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> agDosPortStatsSeqZero.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::agDosPortStatsSeqZero 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 OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.1872alteonALTEON-PRIVATE-MIBS
1.3.6.1.4.1.1872.2private_mibsALTEON-PRIVATE-MIBS
1.3.6.1.4.1.1872.2.5aws_switchALTEON-ROOT-MIB
Numeric OIDNameModule
1.3.6.1.4.1.1872.2.5.1agentALTEON-CHEETAH-SWITCH-MIB
1.3.6.1.4.1.1872.2.5.1.2agentStatsALTEON-CHEETAH-SWITCH-MIB
1.3.6.1.4.1.1872.2.5.1.2.6securityStatsALTEON-CHEETAH-SWITCH-MIB
1.3.6.1.4.1.1872.2.5.1.2.6.1agDosPortStatsTableALTEON-CHEETAH-SWITCH-MIB
1.3.6.1.4.1.1872.2.5.1.2.6.1.1agDosPortStatsTableEntryALTEON-CHEETAH-SWITCH-MIB
1.3.6.1.4.1.1872.2.5.1.2.6.1.1.42agDosPortStatsSeqZeroALTEON-CHEETAH-SWITCH-MIB