I am looking to add a dedicated vlan in order to setup a private/public network SSID combo with a cisco access point. private for employees and public for visitors limited to the internet only.

When it comes to CCNP prep, what do you really need in your lab? I’m not talking about what would be nice to have, or handy, or useful once in a while. But what’s enough to practice everything, or at ...

Cisco Catalyst 3750-X 和 3560-X 系列交换机 CiscoCatalyst 3750-X 和 3560-X 系列交换机分别是堆叠式交换机和独立式交换机的企业级产品。这些交换机通过 Cisco StackPower、IEEE 802.3at 增强型以太网供电 (PoE+) 配置、可选网络模块、冗余电源和媒体访问控制安全 (MACsec) 等创新功能 ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...

The third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer, Layer 2 is cool but Layer 3 ...

A network device that forwards traffic based on layer 3 information at very high speeds. Traditionally, routers, which inspect layer 3, were considerably slower than layer 2 switches. In order to ...

I had a great time meeting with a variety of customers at Cisco Live in Orlando back in June. We covered a lot of different topics around data center security. One specific item that came up more than ...