Can anybody give me a step by step guide for setting up multiple VLANs on a Cisco 1841 modular router? I can't find anything to help me through my problem, which, incidentally, is that I can create ...

With a simulator, there are always missing commands and programming errors, and it can never really be as complete as the real IOS. However, because an emulator runs the IOS, you get every feature ...

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 ...

Becoming proficient with the Cisco IOS means learning some essential commands. This quick reference describes 10 commands you’ll need to rely on when handling various configuration and troubleshooting ...

I was wondering if this would work. I'd test it myselft, but I'm away from my lab. Take a 2924XL switch, setup 3 VLANs with 8 ports each; now what I was wondering was if you can take the VLAN trunk ...

In Cisco LAN switch environments, the native VLAN is typically untagged on 802.1Q trunk ports. This can lead to a security vulnerability in your network environment. It is a best practice to ...

It's no surprise that Linux makes a great router and firewall. A lesser-known fact is that you also can use Linux as an Ethernet bridge and VLAN switch, and that these features are similarly powerful, ...