[Guide] Altibox fiber directly to pfsense

altibox.md

[Guide] How to set up pfsense with Altibox directly to fiber without any isp crap

Newer installs for altibox fiber includes an sfp transmitter in the isp router that comes with the install. This can be taken out and used in pfsense. Instalations from 2019 should be fine in this regard.

SFP+ Cards tested and works:

• Mellanox mnpa19-xtr ✔️

Cards that does not work:

• Broadcom 57810S

Known to also work

• Chelsio cards

With these sfp cards in pfsense and the sfp transmitter from the isp, you can finally remove any isp crap and get a fast, responsive and reliable internet connection.

SFP transmitter: SPECS:

• Speed: 1.25Gb
• TX: 1310nm
• RX: 1550nm
• Range: 10km
• BiDirectional
• Modelnumber: THMPRS-3511-10A

WAN_SFP interface

You might need to spoof the mac address of the isp router if you have static ip address but if you don't have an static ip address you should not need to spoof your mac address.

Make an 102 vlan on the sfp port

Then assign it

WAN vlan settings

This vlan interface will need dhcp and dhcpv6 activated

Interface tab at overview when done

Thanks for this guide. Looking to try something similar with OPNsense. Do you need to make any changes to NAT?

Thanks for this guide. Looking to try something similar with OPNsense. Do you need to make any changes to NAT?

not that i remember. we are moving to opnsense on that location soon.