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Can two switches have the same VLAN?

Can two switches have the same VLAN?

Yes, assuming the switches are connected together and VLAN 10 is forwarding on the connected ports.

How do I assign a VLAN across two switches?

Create the VLANs:

  1. Open a web browser.
  2. In the address bar of the web browser, type the IP address of the switch and press Enter.
  3. Type the admin password of the switch and click Login.
  4. Go to Switching – VLAN – Advanced – VLAN Configuration.
  5. In the VLAN ID field, type the ID of the VLAN you wish to create and click Add.

Can VLANs be created on Layer 2 switches?

You can configure one or more VLANs to perform Layer 2 bridging. Thus, MX Series routers or EX Series switches can function as Layer 2 switches, each with multiple bridging, or broadcast, domains that participate in the same Layer 2 network. You can also configure Layer 3 routing support for a VLAN.

Can you connect 2 VLANs together?

The simplest way to enable routing between the two VLANs to simply connect an additional port from each VLAN into a Router. The Router doesn’t know that it has two connections to the same switch — nor does it need to. The Router operates like normal when routing packets between two networks.

Can a VLAN span multiple switches?

The IEEE 802.1Q Tagging Protocol is one method of connecting multiple switches with multiple VLANs. The sample configuration in above operates as follows: When a device on VLAN 2 sends out a broadcast, the frame is forwarded unchanged out to all of the ports on the switch that are configured for VLAN 2.

Can a VLAN span multiple physical locations?

A VLAN is a logical broadcast domain that can span multiple physical LAN segments. A VLAN can be designed to provide independent broadcast domains for stations logically segmented by functions, project teams, or applications, without regard to the users’ physical location.

How do you trunk between two switches?

If two switches are connected together, for example, both switch ports must be configured for trunking, and they must both be configured with the same tagging mechanism (ISL or 802.1Q). To enable trunking between the switches, use the following steps: Enable trunking on a port.

How do VLANs communicate between switches?

There are three methods of permitting traffic to flow between VLANs:

  1. Configure a router and connect a single interface to a switch per VLAN configured.
  2. Configure a router to use IEEE 802.1Q and connect to a switch via a trunk.
  3. Configure (and possibly purchase) a Layer 3–capable switch.

Can VLAN span multiple switches?

Communication between VLANs requires the use of a router. VLANs can span multiple switches, and you can have more than one VLAN on each switch.

Is VPN a layer 2 or 3?

Generally, Layer 2 VPNs are less scalable than Layer 3 VPNs. Generally, Layer 3 VPNs are more scalable than Layer 2 VPNs. Customer make Layer 3 (IP) connectivity with remote customer sites and not with Service provider. Customer make Layer 3 connectivity (IP) with provider sites’ edge devices.

How many VLANs can we configure in a switch?

4096 VLANs
A switch supports a maximum of 4096 VLANs, among which VLANs 0 and 4095 are reserved for system use, and VLAN 1 is the default VLAN. Therefore, you can only create VLANs 2 to 4094. You can repeat the vlan command multiple times.

Do I need to keep all VLANs on the same switch?

Keep all VLAN tagged on the trunks – which are the connections between the switch. Does your router support tagged VLANs, and are these and the related TCP/IP subnetworks with dedicated network addresses, DHCP, many2one NAT to the router public IP addresses for the four VLANs? Only this would allow Internet access for all the four VLANs.

What is the difference between VLAN1 and vlan3?

VLAN3 is just a subnet or another network. Say you have vlan 1 and vlan 3 is Each device in vlan 3 will get the IP. That IP is assigned to the MAC address of the end device This is held in the arp table on a layer 3 device.

How to connect two VLANs to one L3?

Now if we want communication between devices connected to separate VLANS then we have to connect one of the Switch interface to L3 device and on that L3 device create subinterfaces for each Vlan. For eg if if i ll take your switch 3 and connect it’s interface fa 0/9 to Router fa 0/0 then configuration will be like this:-

Is there a way to connect two switches without a trunk port?

You may achieve the same thing without a trunk port if you keep port 6 in vlan 3 and use port 12 in VLAN 4 to link the two switches for example.