FW ver.: RUT2XX_R_00.01.12.3
I'm using RUT240 as LTE failover, WiFi disabled.
SNMP LAN port ( 1.3.6.1.4.1.48690.7.1.0) and WAN port 2 (1.3.6.1.4.1.48690.7.2.0) always "down".
But undocumented objects at:
1.3.6.1.4.1.48690.7.3.0 is LAN
1.3.6.1.4.1.48690.7.4.0 is WAN