Switching has become the standard for most company internal network infrastructure as each port maintains its own collision domain, and with the advent of VLANs further allow the engineer to segment the network into multiple, smaller broadcast domains. As a Cisco engineer, as well as in the Cisco CCNA exam, you will need to know how to configure VLANs on Cisco switches as well as verify the operation.
Standard VLANs are VLANs within the range of 1 to 1005. They are mainly used to segment a lager flat network into multiple, smaller broadcast domains.
In this Free CCNA Lab you will use Cisco’s Packet Trace to configure to configure a Cisco Catalyst 2950 with three new VLANS. You will then use the available Cisco IOS show commands to verify the configuration.
After completion of this lab exercise you will.
- Learn to configure standard VLANs 1-1001.
- Learn to use the IOS commands available to validate the configurations.
- Configure the hostname on SW1 to be SW1.
- Configure no ip domain-lookup on SW1.
- Configure the enable secret password as cisco on SW1.
- Configure the console and vty password as sanfran on SW1.
- Configure the exec-timeout command to the console and virtual terminal lines.
- Configure the VLANs as shown in the network drawing.
- Configure ports Fa0/1 – Fa0/3 as access ports and assign them to the VLANs shown in the network drawing.
- Configure IP Addressing on all Host PCs as shown in the network drawing.
- Verify your VLAN configuration using relevant show commands in Cisco IOS.
Extended VLANs are VLANs within the range of 1006 to 4094. They are mainly used in service provider networks to allow the provisioning of a number of customers. Unfortunately Packet Tracer does not support extended VLANs so we will be unable to practice this in our Packet Tracer environment. In order to configure an extended VLAN you have to follow the guideline below:
- Extended VLANs are used just like normal VLANs; only different range.
- Extended VLANs must be configured on Switches that are in VTP Transparent mode only.
- Extended VLANs cannot be configured using VLAN database mode (only configuration mode).
- Extended VLANs are saved in the configuration file.
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