INFORMANT-ISASERVER :: feTCPEstablishedConns

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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feTCPEstablishedConns

Module: INFORMANT-ISASERVER

OID (symbolic): INFORMANT-ISASERVER::feTCPEstablishedConns

OID (numeric): 1.3.6.1.4.1.9600.1.6.5.13

Node type: OBJECT-TYPE

Type: Gauge32

Access: read-only

Description: The current number of established TCP connections. A TCP connection is counted as established after the 3-way SYN handshake was completed successfully.

What is feTCPEstablishedConns?

The current number of TCP connections through the Firewall Packet Engine that have completed their 3-way handshake and are considered established, as opposed to connections still mid-handshake.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9600.1.6.5.13
snmpwalk -v2c -c public <target> INFORMANT-ISASERVER::feTCPEstablishedConns

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9600.1.6.5.13.1
snmpget -v2c -c public <target> INFORMANT-ISASERVER::feTCPEstablishedConns.1

Start monitoring Microsoft ISA Server firewall/proxy host (SNMP Informant) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the INFORMANT-ISASERVER::feTCPEstablishedConns OID value, configure state conditions and alerts, and monitor any Microsoft ISA Server firewall/proxy host (SNMP Informant) 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
1.3.6.1.4.1.9600wtcsWTCS
1.3.6.1.4.1.9600.1informantWTCS
Numeric OIDNameModule
1.3.6.1.4.1.9600.1.6isaServerINFORMANT-ISASERVER
1.3.6.1.4.1.9600.1.6.5firewallEngineINFORMANT-ISASERVER
1.3.6.1.4.1.9600.1.6.5.13feTCPEstablishedConnsINFORMANT-ISASERVER