Ars Technica

Trunking VLANs through a Cisco switch

I'm a bit stumped on this one, and having a background in HP switches is making it worse. I have a metro-e connection that will have up to 100 VLANs coming in on it. This is connected to a GigE port ...
Linux Journal

VLANs on Linux

To begin, we must have a more formal definition of what a LAN is. LAN stands for local area network. Hubs and switches usually are thought of as participating in a single LAN. Normally, if you connect ...
Ars Technica

Cisco trunk port won't pass VLAN traffic

I set a port on a switch to trunking, but it won't pass data. Here's the scenario. See if you can help me out.<BR><BR>We have two switches and two VLANs. Actually, we have over a hundred switches and ...
Techzine Europe

Hackers exploit Cisco vulnerability to install rootkit on switches

A new attack campaign, dubbed Operation Zero Disco by Trend Micro , exploits a vulnerability in Cisco's Simple Network ...
Network World

Configuring a switch for link aggregation with a SAN

We are having a storage area network installed in a few days. The vendor who is installing the equipment has requested that we configure the switch being used for what they are calling link ...
Network World

The eight most important commands on a Cisco ASA security appliance

Here’s a guest post sent to me by Don Crawley, author of The Accidental Administrator book series. It is an excerpt from his latest:The Accidental Administrator: Cisco ASA Security Appliance: A ...