IP IGP Routing
OSPF
EIGRP
RIPv2
IPv6: Addressing, RIPng, OSPFv3
GRE
ODR
Filtering, redistribution, summarization and other advanced features
BGP
IBGP
EBGP
Filtering, redistribution, summarization, synchronization, attributes and other advanced features
IP and IOS Features
IP addressing
DHCP
HSRP
IP services
IOS user interfaces
System management
NAT
NTP
SNMP
RMON
Accounting
SLA
IP Multicast
PIM-SM, bi-directional PIM
MSDP
Multicast tools, source specific multicast
DVMRP
Anycast
QoS
Quality of service solutions
Classification
Congestion management, congestion avoidance
Policing and shaping
Signaling
Link efficiency mechanisms
Modular QoS command line
Security
AAA
Security server protocols
Traffic filtering and firewalls
Access lists
Routing protocols security, catalyst security
CBAC
Other security features