What is Juniper flexible VLAN tagging?

What is Juniper flexible VLAN tagging?

1 Juniper introduce new feature on GE interface, called flexible vlan tagging. “flexible” term means that they allow you to configure logical unit on interfaces with vlan combination either dual, single and untag. Ethernet frame can be configured as untagged, single tagged or dual tagged (stacked vlan).

Is VLAN flexible?

VLANs tend to be flexible because they are based on logical connections, rather than physical. One or more network switches may support multiple, independent VLANs, creating Layer 2 (data link) implementations of subnets. A VLAN is associated with a broadcast domain.

What is native VLAN ID?

Native VLAN: The native VLAN is the one into which untagged traffic will be put when it’s received on a trunk port. This makes it possible for your VLAN to support legacy devices or devices that don’t tag their traffic like some wireless access points and simply network attached devices.

How to switch VLAN tags in Junos 10.0?

Search our Knowledge Base sites to find answers to your questions. Starting with Junos 10.0, EX3200/EX4200 switches allow the incoming packets’ VLAN tags to be swapped/translated with a new VLAN tag. How to allow the incoming packets’ VLAN tags to be swapped/translated with a new VLAN tag.

Which is the native VLAN ID of the ex Switch?

In the following configuration, native-vlan-id 1 equals the MGMT VLAN (ID 1) and the MGMT VLAN is also configured as a member of the trunk VLAN: The EX switch will tag and transmit the MGMT packets.

Where does the VLAN ID 4093 go in Junos?

On SRX210, SRX220, SRX240, SRX320, and SRX340 devices, on 1-GE SFP Mini-PIM, the VLAN ID 4093 falls under the reserved VLAN address range. (Platform support depends on the Junos OS release in your installation.) Because of this, you will not be able to configure VLAN ID from this range.

How is a tag associated with a VLAN?

This tag is associated with each frame in the VLAN, and the network nodes receiving the traffic can use the tag to identify which VLAN a frame is associated with. Instead of configuring VLANs and 802.1Q tags one at a time for a trunk interface, you can configure a VLAN range to create a series of tagged VLANs.