Cisco Firewall

Zone-Based Firewall

What are Zone-Based Firewalls and how to use them?Zone-Based Firewalls (ZBF) is a firewall methodology of placing interfaces into zone and defining traffic definitions to allow traffic to pass or drop. In the past firewalls were comprised of access-list that Read more…

By Joe Conklin, ago
Cisco Networking

Configuring VTP

What is VLAN trunking protocol and why to use it?VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol that propagates the definition of Virtual Local Area Networks (VLAN) between switching systems. VTP carries VLAN information to all the switches in Read more…

By Joe Conklin, ago