How to join LAN and OPT in a switch configuration?

[DominikHoffmann]

I just deployed an SG-1100. I would like to use the OPT port like it’s being part of a two-port switch on the LAN side of the appliance. I want both LAN and OPT to have completely interchangeable function. What must I do to accomplish that?

[johnpoz]

@dominikhoffmann

https://docs.netgate.com/pfsense/en/latest/solutions/sg-1100/switch-overview.html#configuring-the-switch-ports

This optional guide shows the steps required to configure the LAN and OPT ethernet ports to be on the same VLAN.

[DominikHoffmann]

@johnpoz: Thanks much! You are such a helpful and selfless contributor!

[DominikHoffmann]

@johnpoz: Follow-up question: What kind of IPv4 Configuration Type should the OPT port have, once it is joined to the LAN VLAN in a switch configuration?

[johnpoz]

@dominikhoffmann huh? That question doesn't make any sense. If you create a vlan, then the vlan would have the IP setup on it.

[DominikHoffmann]

@johnpoz: This is what it shows currently:

I suppose, I could change the IPv4 Configuration Type to “None.”

[johnpoz]

@dominikhoffmann if your splitting the interface out to be on its own network, not really an vlan - which is what I linked too.

Then yes you would create the IP on that port like that.

[stephenw10]

Mmm, but if you are putting the LAN and OPT ports in the same subnet (like a 2 port switch as you said) then the OPT interface is no longer required.