a. Layer 3 / IP Unicast Routing
　　i. RIP
　　ii. IGRP / EIGRP
　　iii. OSPF
　　iv. BGP
　　v. HSRP
　　vi. Distance Vector Multicast Routing Protocol (DVMRP) tunneling
　　vii. Multicast Routing
　　1. PIM
　　2. IGMP
　　3. MVR Multicast VLAN Registration Protocol
　　b. Security
　　i. Gaining Access
　　1. Multilevel security on console access (prevents unauth users
　　from altering switch config)
　　2. Securing Telnet Access to the Switch
　　ii. SSH
　　iii. 802.1x Authentication
　　iv. RADIUS / TACACS+
　　v. Router ACL’s
　　vi. VLAN-Maps
　　vii. When to Use Access-Lists and VLAN-Maps
　　viii. Port-Based Security
　　1. Port-Based ACLs (PACLs)
　　2. Port-Based Traffic Control
　　a. Storm Control
　　b. Proteced Ports (Similar to Private VLAN)
　　c. Port Blocking
　　d. Port Security
　　c. Quality of Service (QoS)
　　i. Advanced QoS
　　ii. Automatic QoS (Auto QoS)
　　iii. Rate-limiting
　　iv. Using Class-Maps
　　v. Policy Maps
　　vi. Classify, Police, and Mark Using Policy Maps.
　　vii. Classify, Police, and Mark Traffic Using Aggregate Policers
　　d. Layer 2 VLANS / Spanning Tree Protocol (STP): IEEE 802.1D
　　2
　　i. VTP
　　ii. Voice VLAN
　　iii. Standard-Range VLAN Configuration
　　iv. Configuring Extended VLANs
　　v. Spanning-tree root guard (STRG)
　　vi. Loopguard
　　vii. Uplinkfast
　　viii. Backbone Fast Configuration
　　ix. Portfast
　　x. CrossStack UplinkFast (CSUF)
　　xi. Per VLAN Spanning Tree Plus (PVST+)
　　xii. ISL
　　xiii. 802.1q
　　xiv. RSTP - IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
　　xv. MST ? IEEE 802.1s Multiple Spanning Tree
　　xvi. Fallback Bridging
　　xvii. UniDirectional Link Detection (UDLD) and Aggressive UDLD
　　e. EtherChannel
　　f. Misc
　　i. Switch Optimization
　　ii. WCCP
　　iii. SNMP
　　iv. SPAN and RSPAN
　　v. Multi-VRF CE (Virtual Routing Forwarding Customer Edge, also called
　　VRF-lite)
　　vi. DHCP Option 82 Subscriber Identification
　　vii. Service Provider-Oriented Functions
　　1. Layer 2 Protocol Tunneling
　　viii. Clustering
　　g. Links
　　3. Appendix A ? Command Reference3550 SSH
　　Switch(config)# crypto key generate rsa 启用SSH
　　
　　Switch(config)# username bob passWord dsb
　　Switch(config)# line vty 0 4
　　Switch(config)# login local
　　authentication
　　Switch(config)# transport input ssh 只使用SSH