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Posts Tagged ‘vlans’

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.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: 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 […]


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