Networking

user

Routing:
OSPF
BGP
RIP

Vendors:
CISCO
PaloAlto
Fortinet
Juniper

Standards:
RFC 1918 – Address Allocation for Private Internets
RFC 8926 – Generic Network Virtualization Encapsulation – https://datatracker.ietf.org/doc/rfc8926/
VXLAN – RFC 7348 – https://datatracker.ietf.org/doc/html/rfc7348
GETVPN (Group Encrypted Transport VPN)

Monitoring Tools:
Cacti
MRTG
Observium – https://www.observium.org/

Technologies:
VRF – Virtual Routing and Firewall
HRSP
NETFLOW / IPFIX
VPN
CIDR
VOIP
PacketTracer
SNMP snmpwalk