Chapter 6

Network Device Security

The Following CCNA Routing and Switching Exam Objectives Are Covered in This Chapter:

  • Configure and verify network device security features such as.
    • Device password security
    • Enable secret vs enable
    • Transport
    • Disable telnet
    • SSH
    • VTYs
    • Physical security
    • Service password
    • Describe external authentication methods
  • Configure and verify Switch Port Security features such as.
    • Sticky MAC
    • MAC address limitation
    • Static/dynamic
    • Violation modes
    • Err disable
    • Shutdown
    • Protect restrict
    • Shutdown unused ports
    • Err-disable recovery
    • Assign unused ports to an unused VLAN
    • Setting native VLAN to other than VLAN 1
  • Configure and verify ACLs to filter network traffic.
  • Configure and verify ACLs to limit telnet and SSH access to ...

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