members
OSPF Field Reference (9-Page Printable Cheat-Sheet)
OSPF has a lot of moving parts. The state machine. The LSA types. The area types and what each one
3 min read
Ping Labz
CCNP-level networking tutorials - OSPF, STP, 802.1X, and BGP explained with real lab configs and topology diagrams.
Blog
View all
members
BGP Field Reference (9-Page Printable Cheat-Sheet)
BGP has a lot of moving parts. The state machine. The 13-step path-selection algorithm. The dozen knobs that influence which
3 min read
GRE on Linux: ip tunnel add Commands and Examples
Configure GRE tunnels on Linux with ip tunnel add. Cisco-to-Linux interop, MTU, MSS clamping, IPsec, gretap (L2), and persistence with systemd-network
7 min read
