Chapter 4. LAN Troubleshooting

This chapter covers the following exam topics:

1.0 LAN Switching Technologies

1.1 Configure, verify, and troubleshoot VLANs (normal/extended range) spanning multiple switches

1.1.a Access ports (data and voice)

1.1.b Default VLAN

1.2 Configure, verify, and troubleshoot interswitch connectivity

1.2.a Add and remove VLANs on a trunk

1.2.b DTP and VTP (v1&v2)

1.3 Configure, verify, and troubleshoot STP protocols

1.3.a STP mode (PVST+ and RPVST+)

1.3.b STP root bridge selection

1.5 Configure, verify, and troubleshoot (Layer 2/Layer 3) EtherChannel

1.5.a Static

1.5.b PAGP

1.5.c LACP

1.7 Describe common access layer threat mitigation techniques

1.7.c Non-default native VLAN

This chapter discusses the LAN topics discussed ...

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