SNMP Router OSPF - V2 + fix

Simple adoptation to 3.x ++ add value mappings Original was downloaded from github OSPF-MIB is needed

Template Net Network Generic Device SNMPvX ^Popular

Official template for Generic SNMP Network Device such as Router or Switch. Use it if vendor-specific template is missing. Please see Template Description and follow documentation link for more info.   Depends on: https://share.zabbix.com/official-tem ...