CISCO-NAT-CGN-EXT-MIB :: cNatCgnCounterSourceIPOutOfRangeDrops

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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

cNatCgnCounterSourceIPOutOfRangeDrops

Module: CISCO-NAT-CGN-EXT-MIB

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

OID (numeric): 1.3.6.1.4.1.9.9.818.1.2.1.1.6

Node type: OBJECT-TYPE

Type: Counter64

Access: read-only

Description: This object indicates the number of packets in the in to out direction not translated because source address was out of configured prefix or range. For NAT44 configured in predefined mode, NAT64 stateful or DS Lite, it could be drops due to source IP address not matching the configured prefix bits.

What is cNatCgnCounterSourceIPOutOfRangeDrops?

Counts outbound (inside-to-outside) packets dropped because the source address fell outside the configured NAT prefix or range.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.818.1.2.1.1.6
snmpwalk -v2c -c public <target> CISCO-NAT-CGN-EXT-MIB::cNatCgnCounterSourceIPOutOfRangeDrops

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.818.1.2.1.1.6.1
snmpget -v2c -c public <target> CISCO-NAT-CGN-EXT-MIB::cNatCgnCounterSourceIPOutOfRangeDrops.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::cNatCgnCounterSourceIPOutOfRangeDrops 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
1.3.6.1.4.1.9.9.818.1.2.1.1.6cNatCgnCounterSourceIPOutOfRangeDropsCISCO-NAT-CGN-EXT-MIB