2/17/2023 0 Comments How to use tunnelbear extension![]() ![]() VXLAN (Virtual Extensible LAN) – The technology that provides the same Ethernet Layer 2 network services as VLAN does today, but with greater extensibility and flexibility. It creates a Layer 2 Tunnel also called a VXLAN Segment between 2 Virtual Tunnel Endpoints also known as VTEP. ![]() VXLAN is an overlay technology that extends Layer 2 VLANS across a Layer 3 IP Network. The RFC7438 might be a good read in your spare time. The base requirement for the above topology and use case is a VXLAN: (VXLAN uses the UDP Port 4789 by default). Using VXLAN to Extend L2 Networks Across Layer 3 LinksĪruba has some recommended steps for configuring VXLAN Tunnels VXLAN (Virtual extensible LAN ) an open IETF specification designed to standardise an overlay encapsulation protocol, capable of relaying layer-2 traffic over IP networks. Superior computing resource efficiencies.With OTV you can deploy virtual computing resources and clusters across geographically distributed data centers, delivering: In addition, OTV provides an overlay that enables Layer 2 connectivity between separate Layer 2 domains while keeping these domains independent and preserving the fault-isolation, resiliency, and load-balancing benefits of an IP-based interconnection. The only requirement from the transport infrastructure is providing IP connectivity between remote data center sites. ![]() ![]() OTV is an IP-based functionality that has been designed from the ground up to provide Layer 2 extension capabilities over any transport infrastructure: Layer 2 based, Layer 3 based, IP switched, label switched, and so on. You have been asked to stay away from traditional vlans and ensure the interlink is purely Layer-3 with no possibility of VLANS spanning across to the other site. As a network engineer, you have been asked to take advantage of the speed and capacity of the inter-site link to extend capabilities of storage systems, backups and replications to the DR site which is Site B. HQ(Site A) has a dedicated 10Gbps leased link to DR(Site B). Would you like to stretch your layer two network across your inter-site links for the purposes of replication and intercluster services? If that is the case then “Using VXLAN to Extend L2 Networks Across Layer 3 Links” could well be the best option to get you going. ![]()
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