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Lab ipc-06 - OSPF Network Types
OSPF operates differently on different link types. On Ethernet (broadcast), it elects a DR/BDR. On a point-to-point link (PPP,
4 min read
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Lab na-14 - Wireless Architecture Overview (Concept Lab)
The CCNA exam requires a working understanding of wireless network architecture without a hands-on Wi-Fi lab requirement. The Catalyst 9800
4 min read
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Lab na-13 - SVI on L3 Switch (Inter-VLAN Routing)
An SVI (Switched Virtual Interface) is a virtual L3 interface inside a switch, associated with a VLAN. When the switch
6 min read
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Lab ipc-02 - Floating Static Routes (AD Manipulation)
A floating static route is a second static route to the same destination with a deliberately higher administrative distance. It
4 min read
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Lab ipc-01 - Default Static Route + Floating Backup
A default route - the famous ip route 0.0.0.0 0.0.0.0 next-hop - tells a
4 min read
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Lab na-10 - Root Guard
Root Guard is the third spanning-tree hardening feature, after PortFast and BPDU Guard. It protects an interface from EVER becoming
5 min read