How do you configure a VLAN on a Cisco switch?

How do you configure a VLAN on a Cisco switch?

You configure VLANs in vlan global configuration command by entering a VLAN ID. Enter a new VLAN ID to create a VLAN, or enter an existing VLAN ID to modify that VLAN. When you have finished the configuration, you must exit VLAN configuration mode for the configuration to take effect.

What is VLAN configuration?

A VLAN is a group of devices on one or more LANs that are configured to communicate as if they were attached to the same wire, when in fact they are located on a number of different LAN segments. Because VLANs are based on logical instead of physical connections, they are extremely flexible.

How many VLANs can be configured on a Cisco switch?

The device supports up to 4094 VLANs in accordance with the IEEE 802.1Q standard in each VDC. The software organizes these VLANs into ranges, and you use each range slightly differently. This table describes the VLAN ranges. Cisco default.

How many hosts can be in a VLAN?

For 10Megabit Shared Ethernet with some bridges, 100-200 hosts was the rule of thumb.

Can a device be on 2 VLANs?

Yes, you can put different subnets on the same nic, without even going into the VLAN territory. VLANs are a whole different beast and if all you need is to address different subnets, there is no reason to complicate things.

How many IP can be on a VLAN?

512 IP addresses
Scalability IP Address VLAN and Routing Maximum Values

Subject Maximum
VLANs with at least one IP Address 512
IP addresses per system 2048 IPv4 2048 IPv6
IP addresses per VLAN 32
Static routes (IPv4 and IPv6 combined) 256

Does VLAN need router?

VLANs don’t need routers to communicate. Well, they usually do, but not necessarily. They just need some “external help”.

How do I assign a device to a VLAN?

Assigning a VLAN Profile

  1. Click in the Network Director banner.
  2. Select VLAN from the Profile and Configuration Management menu in the Tasks pane.
  3. Select a VLAN profile from the list of VLAN profiles and then click Assign.
  4. If you are assigning a VLAN profile to a device, a tree is displayed.

Can 2 VLANs have same IP?

The OSA-Express Layer 2 implementation allows the hosts to manage IP addresses and ARP cache, so it is possible to have a single guest LAN segment (or VSWITCH segment) where two different hosts use the same IP Address on different VLAN groups.

  • August 26, 2022