@trigg3r both ends need - in general - to link at the same speed. while sfp+ devices usually work fine in sfp slots at 1gig.. I suggest you ask the vendor if they do gigabit just to be absolutely...

@trigg3r yes, you need to buy a gigabit ethernet SFP transceiver. Now, should you ? No, you shouldn't. if the device you want to connect on the other side is less than 7 meters away. use a passive...

@jra11500 Yes, the cheapest way is to replace all cables and jacks.

@jra11500 this usually means there is indeed some trouble in the cabling..I suggest you, since they are extremely expensive, to RENT a cable certifier (rather than a tester) Fluke CableIQ or LinkIQ...

That's the standard if you create a network instead of a vlan.. what is exactly your issue ? ps: Never use this network ranges, instead pick one from 172.16.0.0/12 for example the 192.168.100.x range...

Hi: In my installation when the SFP WAN connection fails the following messages show in the controller (error icon) [SFP WAN] of GW-CORE is down. (info icon) [Failed]GW-CORE: PPPoE user@domain failed...