All MIBs › DFL860-MIB › dfl860SysPscTcpSyn
dfl860SysPscTcpSyn
Module: DFL860-MIB
OID (symbolic): DFL860-MIB::dfl860SysPscTcpSyn
OID (numeric): 1.3.6.1.4.1.171.20.2.2.1.2.1.6.1
Node type: OBJECT-TYPE
Type: Gauge32
Access: read-only
Description: Number of TCP connections in the SYN state.
What is dfl860SysPscTcpSyn?
The current number of tracked TCP connections sitting in the SYN (handshake-in-progress) state; an unusually large value can indicate a SYN-flood style attack or a struggling backend server.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.171.20.2.2.1.2.1.6.1 snmpwalk -v2c -c public <target> DFL860-MIB::dfl860SysPscTcpSyn
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.171.20.2.2.1.2.1.6.1.1 snmpget -v2c -c public <target> DFL860-MIB::dfl860SysPscTcpSyn.1
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OID Breakdown
Upper-level ancestors (9 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.171 | d_link | DE1500-MIB |
| 1.3.6.1.4.1.171.20 | netdefendMgmt | DFL1660-MIB |
| 1.3.6.1.4.1.171.20.2 | utmFirewall | DFL1660-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.171.20.2.2 | dfl860 | DFL860-MIB |
| 1.3.6.1.4.1.171.20.2.2.1 | dfl860OS | DFL860-MIB |
| 1.3.6.1.4.1.171.20.2.2.1.2 | dfl860OSStats | DFL860-MIB |
| 1.3.6.1.4.1.171.20.2.2.1.2.1 | dfl860System | DFL860-MIB |
| 1.3.6.1.4.1.171.20.2.2.1.2.1.6 | dfl860SysPerStateCounters | DFL860-MIB |
| 1.3.6.1.4.1.171.20.2.2.1.2.1.6.1 | dfl860SysPscTcpSyn | DFL860-MIB |