Frequent question: No ip address vlan 1?

VLANs do not really have IP addresses assigned to them. They have a network assigned to them, or a subnet, or a network range, however you want to refer to it. The address the OP supplied us is an assignable address within the range of 192.168.

People ask also, how do I assign an IP address to a VLAN 1?

  1. enter the VLAN 1 configuration mode with the interface vlan 1 global configuration command.
  2. assign an IP address with the ip address IP_ADDRESS SUBNET_MASK interface subcommand.
  3. enable the VLAN 1 interface with the no shutdown interface subcommand.

As many you asked, what does VLAN 1 mean?

  • Vlan 1 is the deafult vlan which is used to send control traffic like VTP,STP,DTP,CDP over the links.It has nothing to do with the native vlan.In earlier IOS versions removing vlan 1 over the trunk wasnot allowed as the control traffic was only bound to vlan1.

Subsequently, how do I get rid of VLAN 1? The only way we can remove VLAN 1 is through the “switchport trunk allowed vlan remove 1″ command.

You asked, does a switch VLAN need an IP address? As each VLAN is a different network, they need their own address subnet (IPv4 and IPv6). The Campus Core switch will route between each VLAN (so called L3-switch: an ethernet switch which has some L3 routing capability). These IP addresses are also documented in the master IP address plan.

Do VLANs need to be configured on router?

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A VLAN is a broadcast domain, which means computers on separate VLANs are unable to communicate without the intervention of a routing device. Whenever hosts in one VLAN need to communicate with hosts in another VLAN, the traffic must be routed through a routing device.

How do I find the IP address of a VLAN?

To find your VLAN (on a Windows XP machine), go to “Start Menu”,then click the return (enter) key on your keyboard. This runs a command prompt. Type in “ipconfig” and hit return again. You will see your IP Address, your Subnet Mask and your Default Gateway.

What is a VLAN IP address?

Same thing, the VLANs IP address is a Switch Virtual Interface (commonly called a SVI), in essense it is an interface (albeit logical) and plays the same role as a routers interface which has an IP address. It provides a gateway for inter-VLAN or inter-routing traffic.

How many IP addresses are in a VLAN?

With it, you can get a single VLAN with 512 IP addresses. The decimal subnet mask for a /22 is 255.255.

Should VLAN 1 be used?

VLAN 1 contains control plane traffic and can contain user traffic. It is recommended that user traffic be configured on VLANs other than VLAN 1, primarily to prevent unnecessary user broadcast and multicast traffic from being processed by the Network Management Processor (NMP) of the supervisor.

Is VLAN 1 reserved?

Furthermore, VLAN 1 is reserved for “untagged traffic,” meaning that any data traffic in a network that does not have a VLAN tag is considered to be on VLAN 1. This is why all switch and access point VLANs are defaulted to VLAN 1.

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Is the native VLAN VLAN 1?

By default, Native VLAN is VLAN 1, but it can be changed to any VLAN. Traffic will be sent when both Default and Native VLAN are the same. Traffic can be sent irrespective of Default and Native VLAN being the same or different.

Should VLAN 1 be allowed on trunk?

Cisco recommends not using VLAN 1, restricting VLAN 1 from trunk links ( switchport trunk allowed command), and not using a native VLAN on the trunks, meaning that all the VLANs on a trunk would be tagged, and there would be no VLAN 1 frames.

How do I remove a VLAN from a port?

To remove VLANs from a physical port, complete the following steps. From global configuration mode, enter interface Ethernet configuration mode. Enter the vlan-config remove all command to remove all VLANs from the Ethernet port. Enter the vlan-config remove all command to remove the VLANs from the Ethernet port.

What VLANs Cannot be deleted?

The range is from 2 to 4094; VLAN1 is the default VLAN and cannot be created or deleted.

Can two VLANs have the same IP address?

Yes your scenario is feasible . By default different Vlan won’t communicate to each other unless inter-Vlan routing is configured . By default same Vlan will communicate to each other ..

How is VLAN configured?

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.

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What is interface VLAN on switch?

A VLAN Interface is a virtual interface that is attached to the physical network port or bond that your VLAN is configured on. The VLAN Interface is used to automatically tag traffic that is routed through it with the appropriate VLAN ID.

Do all routers support VLANs?

VLANs are supported on routers (not all) and on network switches. On routers the VLANS have different IP subnets.

Do routers know about VLANs?

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.

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