All MIBs › TELDAT-TRAP-DHCL-MIB › dhclNotification21
dhclNotification21
Module: TELDAT-TRAP-DHCL-MIB
OID (symbolic): TELDAT-TRAP-DHCL-MIB::dhclNotification21
OID (numeric): 1.3.6.1.4.1.2007.1.4.182.2.0.21
Node type: NOTIFICATION-TYPE
Description: Notification of Event DHCL.21
Message: 'Lease expired: client restarted on interface $1'
Parameters list: $1: dhcl21-interface
Lease time has expired so the DHCP client running on the specified interface releases the assigned IP address and the other adquired parameters, returns to its initialization parameters and restarts.
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-DHCL-MIB::dhclNotification21 snmptrap -v2c -c public <manager> '' 1.3.6.1.4.1.2007.1.4.182.2.0.21
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]:56497->[192.168.30.10]:162]: DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (191060145) 22 days, 2:43:21.45 SNMPv2-MIB::snmpTrapOID.0 = OID: TELDAT-TRAP-DHCL-MIB::dhclNotification21
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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 |
| 1.3.6.1.4.1.2007 | 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 |
|---|---|---|
| 1.3.6.1.4.1.2007.1.4.182 | dhclTrapsMIB | TELDAT-TRAP-DHCL-MIB |
| 1.3.6.1.4.1.2007.1.4.182.2 | dhclNotifications | TELDAT-TRAP-DHCL-MIB |
| 1.3.6.1.4.1.2007.1.4.182.2.0 | dhclNotificationsPrefix | TELDAT-TRAP-DHCL-MIB |
| 1.3.6.1.4.1.2007.1.4.182.2.0.21 | dhclNotification21 | TELDAT-TRAP-DHCL-MIB |