CCNA 2.5.d: VTP (v1&v2) – VLAN Trunking Protocol

Overview: VLAN Trunking Protocol (VTP) is used to automatically update vlan configuration on a LAN network of switches   Study Notes: VTP (v1 & v2) – VLAN Trunking Protocol (VTP) VTP is responsible for synchronizing VLAN information within a VTP domain and reduces the need to configure the same VLAN information on each switch thereby […]

CCNA 2.5.c: DTP – Dynamic Trunking Protocol (DTP)

Overview: Dynamic Trunking Protocol is used to automatically negotiate the state of switchports   Study Notes: DTP – Dynamic Trunking Protocol (DTP) Dynamic Trunking Protocol is how switchports automatically negotiate their mode before you ever configure them A switchport can be set to one of four modes – Dynamic Auto (default), Dynamic Desirable, Trunk or […]

CCNA 2.5.b: Add and remove VLANs on a trunk

Overview: Adding and removing vlans on a trunk can be done without interruption to network traffic, if you do it the right way   Study Notes: How to add and remove VLANs on a trunk. It’s probably a good sign when your network needs to expand It’s also a good thing to limit broadcast traffic […]

CCNA 2.5.a: Trunk ports

Overview: Trunk ports are used to interconnect switches Study Notes: Trunk ports Trunk ports are used to connect layer 2 devices together (when you need to expand your network) This video shows you how to initially configure trunk ports.   PacketTracer Lab: CCNA-2.5.a-How-to-configure-trunk-ports.pkt   Video:  

CCNA 2.4.b: Default vlan

Overview: If a vlan is not configured on a switchport, it will fall under the default VLAN.  The default VLAN is VLAN 1.   Study Notes: How to configure a default vlan Technically, you don’t configure a default vlan VLAN 1 is the default vlan that comes on all Cisco switches and you can’t change […]

CCNA 2.4.a: Access ports (data and voice) (FREE LAB!)

Overview: How to configure an access port for data and voice   Study Notes: A data and voice access port is required when you have a computer connected to a VoIP phone at a desk The switchport is configured with a voice vlan and a data vlan This is called a Multi-VLAN Access Port (MVAP) […]

CCNA 2.4: Configure, verify, and troubleshoot VLANs (normal/extended range) spanning multiple switches

Overview: How to configure a normal vlan on a switch.   Study Notes: How to configure a normal vlan on a switch. Normal vlans range from 1 to 1005 Extended vlans range from 1006 to 4094 Depending on your IOS, you may or may not be able to configure extended vlans. Luckily for us, this […]