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 ...

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 ...

Using a VLAN -- or Virtual Local Area Network -- to segregate the traffic on your router provides added security and performance for devices connected to your LAN. While a LAN is determined by the ...

As AI tools mature, the barrier to entry for mastering networking concepts like OSPF, VLANs, and routing protocols has collapsed. With the latest GPT-4o updates and emerging AI-driven Packet Tracer ...

The VXLAN technology introduced by Cisco and VMware this week is intended to scale VLANs to accommodate the exploding number of virtual machines in the virtualized data center. In addition to Cisco ...

Preparing for Network+ or CCNA? Understanding VLANs and subnetting is key to building efficient, secure, and scalable networks. From segmenting traffic to optimizing IP address allocation, these ...

I've got a problem, I've been trying to implement some layer2 security on our switches with Port-Security, only allowing 2 MAC addresses on any 1 switchport. I've been looking at some of our switches ...

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 ...

Five things you should know about configuring a Cisco IOS switch Your email has been sent Once you're ready to make the jump to a more sophisticated switch, what do you need to know? Let's answer some ...