@Fae This is clearly a bug.. can you forward this to R&D.. vlans are supposedly by port..they could also be bound to a mac address..so I see no reason why what this person wants shouldn't work...

@marpi82 Now that said you will probably find that communication is done using TLS and cannot be decrypted without a man in the middle proxy..if the manufacturer is incomptent they may be using plain...

@marpi82 It is a bummer but this is only possible in standalone mode where you can mirror the port that is connected to Central heating boiler controller to an empty port in the switch/router...

@robinprice We are not getting anywhere,, probably because incomplete inforamtion from your side, so let's try again - A PPPoE interface cannot use an MTU of 1500 (unless the device AND ISP...

@robinprice well.. what mtu did you choose in the er7206 ? it defaults to 1492.. try 1480 and report result. if still not working report exactly what device is plugged to the SFP port or what...

@robinprice I have this same device.. and 1 fiber SFP module connected to 900/600 service, plus a cable modem connected using Ethernet at 600/10,, I get full speed on either of them..so you must have...