DFL2500-MIB :: dfl2500SysTCPRecvSmall

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DFL2500-MIB › dfl2500SysTCPRecvSmall

dfl2500SysTCPRecvSmall

Module: DFL2500-MIB

OID (symbolic): DFL2500-MIB::dfl2500SysTCPRecvSmall

OID (numeric): 1.3.6.1.4.1.171.20.1.5.1.2.1.13.1

Node type: OBJECT-TYPE

Type: Gauge32

Access: read-only

Description: Small TCP receive windows usage.

What is dfl2500SysTCPRecvSmall?

Current usage of the firewall's pool of small TCP receive-window buffers, an internal resource metric useful for spotting buffer exhaustion under heavy connection load.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.171.20.1.5.1.2.1.13.1
snmpwalk -v2c -c public <target> DFL2500-MIB::dfl2500SysTCPRecvSmall

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.171.20.1.5.1.2.1.13.1.1
snmpget -v2c -c public <target> DFL2500-MIB::dfl2500SysTCPRecvSmall.1

Start monitoring D-Link firewall/UTM appliances with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DFL2500-MIB::dfl2500SysTCPRecvSmall OID value, configure state conditions and alerts, and monitor any D-Link firewall/UTM appliances 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
1.3.6.1.4.1.171d_linkDE1500-MIB
1.3.6.1.4.1.171.20netdefendMgmtDFL1660-MIB
1.3.6.1.4.1.171.20.1ipsFirewallDFL210-MIB
Numeric OIDNameModule
1.3.6.1.4.1.171.20.1.5dfl2500DFL2500-MIB
1.3.6.1.4.1.171.20.1.5.1dfl2500OSDFL2500-MIB
1.3.6.1.4.1.171.20.1.5.1.2dfl2500OSStatsDFL2500-MIB
1.3.6.1.4.1.171.20.1.5.1.2.1dfl2500SystemDFL2500-MIB
1.3.6.1.4.1.171.20.1.5.1.2.1.13dfl2500SysTCPUsageDFL2500-MIB
1.3.6.1.4.1.171.20.1.5.1.2.1.13.1dfl2500SysTCPRecvSmallDFL2500-MIB