All MIBs › TELDAT-TRAP-TCP-MIB › tcpNotification39

tcpNotification39

OID (symbolic): TELDAT-TRAP-TCP-MIB::tcpNotification39

OID (numeric): 1.3.6.1.4.1.2007.1.4.12.2.0.39

Node type: NOTIFICATION-TYPE

Description: Notification of Event TCP.39

Message: '$1:$2 -> $3:$4 received ACK segment, sequence number $5; while in LISTEN state, send RST'

Parameters list: $1: tcp39-source-ip-address $2: tcp39-source-tcp-port $3: tcp39-destination-ip-address $4: tcp39-destination-tcp-port $5: tcp39-seq-num

TCP has received an ACK while in the LISTEN state; this does not make any sense because we have not yet sent any data, so nothing should be ACKed. As a result, we send a RST.

Examples

Send this trap to an SNMP manager — replace <manager> with the IP or hostname of your monitoring server (SNMPv2c):

snmptrap -v2c -c public <manager> '' TELDAT-TRAP-TCP-MIB::tcpNotification39
snmptrap -v2c -c public <manager> '' 1.3.6.1.4.1.2007.1.4.12.2.0.39

Listen for incoming traps on the manager host (-f keeps it in the foreground, -Lo prints to stdout — useful for testing):

snmptrapd -f -Lo -c /dev/null authCommunity log public

Example snmptrapd log entry:

zoo11-linux.zoo [UDP: [192.168.30.111]:64103->[192.168.30.10]:162]:
  DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (343443559) 39 days, 18:00:35.59
  SNMPv2-MIB::snmpTrapOID.0 = OID: TELDAT-TRAP-TCP-MIB::tcpNotification39

Start monitoring Teldat router (TCP checksum/connection anomaly event traps) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the TELDAT-TRAP-TCP-MIB::tcpNotification39 OID value, configure state conditions and alerts, and monitor any Teldat router (TCP checksum/connection anomaly event traps) from a single console.

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
1.3.6.1.4.1.2007	teldat	TELDAT-MIB
1.3.6.1.4.1.2007.1	teladmin	TELDAT-MIB
1.3.6.1.4.1.2007.1.4	telEventTraps	TELDAT-MIB

Numeric OID	Name	Module
1.3.6.1.4.1.2007.1.4.12	tcpTrapsMIB	TELDAT-TRAP-TCP-MIB
1.3.6.1.4.1.2007.1.4.12.2	tcpNotifications	TELDAT-TRAP-TCP-MIB
1.3.6.1.4.1.2007.1.4.12.2.0	tcpNotificationsPrefix	TELDAT-TRAP-TCP-MIB
1.3.6.1.4.1.2007.1.4.12.2.0.39	tcpNotification39	TELDAT-TRAP-TCP-MIB

TELDAT-TRAP-TCP-MIB :: tcpNotification39

tcpNotification39

Module

This MIB depends on