[CAUSE] The tmnxOesUsrpnlPortUp notification is generated when the OES USRPNL port is now operational. [EFFECT] If an E1 or E2 port is up then a control plane communication path between the router and the OES Master Chassis has been established and the OES can be managed by the router. [RECOVERY] No recovery required.
Sources for this description
Netdisco MIB archive copiesNokia networking MIB copies (LibreNMS/Observium Community)