(The first demonstration of Cisco's advanced part of the experiment--BCSI experiments include: 1. VLSM + static routing 2. Static floating routing + ODR3. ACL (acceSS. Controlledlist) 4. NAT (NetworkAddressTransport)--3 kinds of NAT "static NAT, dynamic NAT And port-based NAT (overloading)” 6.IGRP (InnerGatewayRouterProtocol) 9.ospf single area 10.ospf network type 11.ospf multi-area 12.ospf summary and default routing 13.ospf special LSA14.ospf virtual connection and Verification 17. Route-map in redistribution 18. DHCP experiment 20. BGP basic experiment 21. BGP summary 22. Use loopback as neighborhood 23. Next hop+peer+peer group 24. Local preference 25. med+weight (weight ) 26. Federal use of methods to deal with the black hole problem 30. ip multicast 35. Basic configuration of ipv6 and configuration of static routing 36. rip, redistribute and ipv6 routing filtering of ipv6 38. Dual stack, static NATPT and dynamic NATPT46 .Ether channel 47.vrrp experiment 48.HSRP49.GLBP+SLB50.wireless52.QOS--MQC instance configuration 53.Traffic allocation and traffic symbol 54.FIFO (first in first out) and PQ (priority queue) 57.cbwfq)