All MIBs › FNET-OPTIVIEW-WAN-MIB › probDNSServerNowUsing
probDNSServerNowUsing
Module: FNET-OPTIVIEW-WAN-MIB
OID (symbolic): FNET-OPTIVIEW-WAN-MIB::probDNSServerNowUsing
OID (numeric): 1.3.6.1.4.1.1226.2.1.0.12010
Node type: NOTIFICATION-TYPE
Description: Monitor the status of the DNS server. When the management port receives no DNS reply from the server address configured via DHCP, and no DNS reply from either the primary or secondary servers statically configured by the user, and there WAS a reply to a broadcast message for a local DNS server, a trap is generated with ovTrapStatus=discovered. When the user causes a DNS server to be rediscovered via DHCP, or statically configures a valid primary or secondary server, a trap is generated with ovTrapStatus=resolved.
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> '' FNET-OPTIVIEW-WAN-MIB::probDNSServerNowUsing snmptrap -v2c -c public <manager> '' 1.3.6.1.4.1.1226.2.1.0.12010
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]:59588->[192.168.30.10]:162]: DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (388881092) 45 days, 0:13:30.92 SNMPv2-MIB::snmpTrapOID.0 = OID: FNET-OPTIVIEW-WAN-MIB::probDNSServerNowUsing
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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 |
| 1.3.6.1.4.1.1226 | fnet | FNET-GLOBAL-REG |
| 1.3.6.1.4.1.1226.2 | fnetGeneric | FNET-GLOBAL-REG |
| 1.3.6.1.4.1.1226.2.1 | fnetOptiViewGeneric | FNET-GLOBAL-REG |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.1226.2.1.0.12010 | probDNSServerNowUsing | FNET-OPTIVIEW-WAN-MIB |