CISCO-NAT-CGN-EXT-MIB :: cNatCgnCounterTCPSequenceDrops

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › CISCO-NAT-CGN-EXT-MIB › cNatCgnCounterTCPSequenceDrops

cNatCgnCounterTCPSequenceDrops

Module: CISCO-NAT-CGN-EXT-MIB

OID (symbolic): CISCO-NAT-CGN-EXT-MIB::cNatCgnCounterTCPSequenceDrops

OID (numeric): 1.3.6.1.4.1.9.9.818.1.2.1.1.8

Node type: OBJECT-TYPE

Type: Counter64

Access: read-only

Description: This object indicates the number of packets in the out to in direction dropped because TCP sequence check failed.

What is cNatCgnCounterTCPSequenceDrops?

Counts inbound (outside-to-inside) TCP packets dropped because the TCP sequence number check failed.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.818.1.2.1.1.8
snmpwalk -v2c -c public <target> CISCO-NAT-CGN-EXT-MIB::cNatCgnCounterTCPSequenceDrops

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.818.1.2.1.1.8.1
snmpget -v2c -c public <target> CISCO-NAT-CGN-EXT-MIB::cNatCgnCounterTCPSequenceDrops.1

Start monitoring Cisco service-provider router (Carrier-Grade NAT/CGN) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-NAT-CGN-EXT-MIB::cNatCgnCounterTCPSequenceDrops OID value, configure state conditions and alerts, and monitor any Cisco service-provider router (Carrier-Grade NAT/CGN) from a single console.

OID Breakdown

Upper-level ancestors (8 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
1.3.6.1.4.1.9ciscoCAT2600-MIB
1.3.6.1.4.1.9.9ciscoMgmtCISCO-SMI
Numeric OIDNameModule
1.3.6.1.4.1.9.9.818ciscoNatCgnExtMIBCISCO-NAT-CGN-EXT-MIB
1.3.6.1.4.1.9.9.818.1ciscoNatCgnExtMIBObjectsCISCO-NAT-CGN-EXT-MIB
1.3.6.1.4.1.9.9.818.1.2cNatCgnCountersCISCO-NAT-CGN-EXT-MIB
1.3.6.1.4.1.9.9.818.1.2.1cNatCgnCounterTableCISCO-NAT-CGN-EXT-MIB
1.3.6.1.4.1.9.9.818.1.2.1.1cNatCgnCounterEntryCISCO-NAT-CGN-EXT-MIB
1.3.6.1.4.1.9.9.818.1.2.1.1.8cNatCgnCounterTCPSequenceDropsCISCO-NAT-CGN-EXT-MIB