- Layer 2
- Wan
- Network services
- IP routing
- OSPF RFC1583 vs RFC2328 compatibility
- OSPF RFC1587 vs RFC3101 NSSA compatibility.
- BGP syncronization
- uRPF
- BGP dampening
- IPv6 First Hop Security
- BGP
- Performance Routing (PfR)
- Route redistribution and summarization
- OSPF
- EIGRP
- RIP and RIPng
- NAT order of operations
- BGP order of preference
- NAT
- GRE & IPinIP
- PBR
- IPv6
- QoS
- MISC