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 ...
TwistedSifter on MSN
A new IT guy was deleting an unused VLAN from a switch configuration, but it took down the entire network until his boss could show him how to fix it
He broke it, but was able to get it fixed right away.
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 ...
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 ...
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 ...
VLANs break a physical LAN into several logical broadcast domains. Each LAN station hears traffic sent by its own VLAN but receives nothing from stations in other VLANs -- not even from those ...
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 ...
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