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Configure Inter VLAN Routing in Cisco Router

Communication between different VLANs require router or some form of routing. Routing between the VLANs can be done using layer 3 switch or use more popular form of inter-vlan routing called router on a stick. Layer 3 switches are pretty expensive which is the main reason why router on a stick configuration is popular. In […]

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Configure VLAN in Cisco Catalyst Switch

If you have basic understanding of VLANs in Switching World then you can easily configure VLANs in Cisco Catalyst switches. In this post, I will show steps to Configure VLAN in Cisco Catalyst Switch. Configure VLAN in Cisco Catalyst Switch The diagram below shows our scenario. There are two switches, Switch1 and Switch2. We will create […]

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Understanding VLANs in Switching World

VLAN (Virtual Local Area Network) is a logical LAN that have separate broadcast domain. VLAN is often called LAN virtualization. VLAN groups ports of the switch and each group are given different VLAN-ID and VLAN name. Before getting deep into VLANs, we need to have understanding of broadcast domains and collision domains. Understanding VLANs in […]

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Configure SSH Access in Cisco ASA

You can access Cisco ASA appliance using Command Line Interface (CLI) using either Telnet or SSH and for web-based graphical management using HTTPS (ASDM) management. Telnet uses TCP port 23 and is not secure. Secure Shell (SSH) on the other hand uses port 22 and is secure. SSH uses public key cryptography to authenticate remote […]

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