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What if there isn't a link light on the WAN/LAN/ethernet/network port of the Barracuda Web Filter or Barracuda Web Application Firewall?

Solution #00001999

Scope:
Appplies to all Barracuda Web Filters and Web Application Firewalls, all firmware versions.

Answer:
If there is no link light on the network port of the Barracuda Webfilter, and you've connected the other end of the cable to another machine (like a firewall, switch, or a router), make sure you are either:

  1. Using a straight through Ethernet cable, and attaching it to the firewall's, switch's, or router's uplink port.
  2. Using a crossover Ethernet cable, and attaching it to a standard port on the firewall, swtich, or router.
When connecting two network devices (like a firewall, a switch, a router, or a Barracuda Web Filter) together directly, a crossover cable must be used (the "uplink" port found on many devices performs the same function as a crossover cable - reversing one of the wire pairs in the cable).

Link to This Page:
http://www.barracuda.com/kb?id=50160000000Gb6n