Cisco Wireless Access Point Modes Explained
Every Cisco AP mode explained: Local, FlexConnect, Monitor, Sniffer, Rogue Detector, SE-Connect, Bridge and Mesh. What each does and when to use it.
5 min read
Blog
Segment Routing (SR-MPLS): Replacing LDP and RSVP-TE
SR-MPLS keeps the MPLS data plane and drops LDP and RSVP-TE. Prefix-SIDs, adjacency-SIDs, source-routed label stacks, SR-MPLS vs SRv6, and why networks migrate.
4 min read
VTP (VLAN Trunking Protocol): v1, v2, v3 and Why It's Dangerous
How VTP propagates VLANs across a domain, the three modes, the revision-number disaster, v1/v2/v3 differences, and why many engineers disable it.
5 min read
OSPF Passive Interface: What It Does and Where to Use It
OSPF passive-interface stops Hellos and adjacencies on an interface but still advertises its subnet. Config, the default pattern, and the route-filter gotcha.
4 min read
Catalyst 9800-CL Day 0 Configuration, Line by Line (9800 Series Part 2)
This is Part 2 of the PingLabz 9800 Wireless Labs series. In Part 1 we built the topology in Cisco
7 min read
Build a Catalyst 9800-CL Wireless Lab in Cisco Modeling Labs (9800 Series Part 1)
This is Part 1 of the PingLabz 9800 Wireless Labs series. Over the next several posts (and matching YouTube videos)
5 min read