Tag: fiber

Articles tagged "fiber".

• CGNAT and ports in Spain: why your ports don't work

  Published: 27 Sep, 2026 |  at  10:30 AM

  Security

  CGNAT and ports in Spain: what it is, how to tell whether you are behind it, why ports never open, and the solutions that let you connect from outside.

• Fiber router: PPPoE, VLAN and DHCP by Spanish ISP

  Published: 25 Sep, 2026 |  at  11:30 AM

  Routers

  PPPoE, IPoE, VLAN and priority by Spanish ISP: a table of Movistar, Orange, Vodafone, Digi, Adamo and more, with review date and warnings.