Juniper VLAN-Based EVPN Topology. 1 and Juniper P nodes running 17. This topology comes with Ansible playbook that configures vQFX switches with iBGP-over-OSPF EVPN. EVPN stands for “Ethernet VPN”, or “Ethernet Virtual Private Network”. Next up, they’re accelerating business services while simplifying and streamlining network operations with automated configuration Juniper currently implements RFC 7432 (EVPN-MPLS) on it’s MX product line, ranging from MX5 to MX2020 and on the EX9200 series switches. I have a QFX (simulating Core/Dist) connected to two EX 4400s (simulating Aggs) with a laptop connected to eah agg. 1. 166. Describe the DCI options when using a VXLAN overlay with EVPN signaling. EVPN reduces the number of protocols the enterprise needs to operate the network, making it simpler and more reliable, lowering operating costs and improving service availability. The topology is really simple. 8. 48 0 0 0 0 1. One leaf node from each DC can be selected as DC gateway node and its loopback IP can be advertised to the other DC through existing L3 VPN. I'm working on a lab to get basic vxlan working, but have hit a road block . Route-Reflectors are Juniper nodes running vRR software version 16. EVPN technology is standardized in RFC7432, so there is no need to lock into a particular vendor’s proprietary features. From Spanning Tree Protocol (STP or xSTP) and MC-LAG to leaf-and-spine IP fabrics and network virtualization with EVPN-VXLAN, we have played a key role in establishing the standards-based architectures that power data centers around the world. With OTT DCI, the control plane is extended across data center fabrics. I think using L3VPN for DCI makes a lot of sense for a production network where the WAN may be managed my a Sure. 168. 40:0 Number of bridge domains: 0 Number of neighbors: 1 Address MAC MAC+IP AD IM ES Leaf-label Remote-DCI-Peer 111. Describe the control and data plane of an MPLS VPN. Describe the operation of the EVPN protocol. This content is based on Junos OS Release 18. Junos OS Release 21. Options Dropdown. I have ebgp seem to be populating the bgp. VLAN hosts connected to each CE device. At Juniper Networks, we have been leading the data center design conversation for many years. The unified control plane facilitates both Layer 2 and Layer 3 services. Once loopback IP address of remote DC gateway Benefits of an EVPN-VXLAN solution from Juniper include: Unified DC ecosystem – common EVPN protocol in the Campus, Data Center and DCI; Additional overlay network virtualization options at the infrastructure and server level; Various evpn service-types crossing existing IP multi-domain boundaries: EVPN instantly simplifies DCI with scalable and efficient technology. QFX10000 switches start and stop the VXLAN tunnel. … Highly scalable support for both L2 and L3 services, allowing it to be used in the data center, data center interconnect (DCI), WAN, campus and metro. There are a few lab topologies available on GitHub. First and last options are not so interesting – simple EVPN-VXLAN session between DC devices over direct IP connectivity or via L3VPN service. It's just another safi in bgp. Define the term Data Center Interconnect. Please note that EVPN allows to use shared gateway across all PE devices, instead of configuring In the thick of studying for JNCIE-DC, I wanted to write a blog post on using L3VPN as a DCI technology, and running EVPN over the top. This option requires no changes to your WAN. These benefits are achieved via virtual machine live migration. These options are: EVPN-VXLAN session over L3VPN-MPLS service; EVPN-VXLAN to EVPN-MPLS stitching; EVPN-VXLAN to EVPN-VXLAN stitching; EVPN-VXLAN session over dark fiber. Standard Juniper configuration, just for reference: Juniper currently implements RFC 7432 (EVPN-MPLS) on it’s MX product line, ranging from MX5 to MX2020 and on the EX9200 series switches. Juniper EVPN with EVPN on other network vendors in the same blueprint is not supported. In short, it makes L2 applications work properly across data centers and other L3 interconnects. DCI “Over the Top” is a transparent solution, meaning EVPN routes are encapsulated into standard IP and hidden from the underlying transport. 1R1. EVPN offers us option for sever active-active multi-homing to multiple access switches (without direct connection between access switches) and it also offer combination of layer 2 and layer 3 traffic (which is very beneficial for Data Center Interconnect) as traditional Data Center Interconnect technique (e. The Juniper EVPN multi-homing Ethernet Tag value is set to the VLAN ID for ES auto-discovery/ES route types. What vendors support EVPN on what platforms? Cisco; Juniper; Other; Section 3 – Let’s implement EVPN as an enterprise DCI. Interconnect flexibility Choose from open, standards-based DCI technology options with EVPN-VXLAN (over the top, VXLAN stitching) and IP/MPLS L2/L3 VPNs over Ethernet and optical interfaces. In the thick of studying for JNCIE-DC, I wanted to write a blog post on using L3VPN as a DCI technology, and running EVPN over the top. Layer 2 DCI with eVPN. 6. Over-the-Top DCI in an EVPN Network Learn it – Take a training class: Juniper Networks Design – Data Center ( JND-DC) Data Center Fabric with EVPN and VXLAN ( ADCX) All-access Training Pass To provide a DCI solution, VXLAN is integrated with EVPN. The configuration is focused on the Juniper MX platform, but as Junos is the single operating system across the entire Juniper portfolio, configuration on other platforms (like EX9200) is equal. 4R1 on QFX Series switches (QFX5120 switches and the QFX10000 line of switches). EVPN relies on the same framework that's made SP services like L3VPN and such very successful. The EVPN-MPLS feature is designed to be used as Data Center Interconnect. Additionally, the course will cover other data center concepts, including basic and advanced data center design options including collapsed spine and super spine architectures, Data Center Interconnect (DCI), EVPN multicast enhancements, and seamless EVPN-VXLAN These options are: EVPN-VXLAN session over L3VPN-MPLS service; EVPN-VXLAN to EVPN-MPLS stitching; EVPN-VXLAN to EVPN-VXLAN stitching; EVPN-VXLAN session over dark fiber. Instance: default_evpn Route Distinguisher: 111. Ethernet segment; Ethernet tag; Ethernet segment identifier; EVPN Instance (EVI) Then, some components. PE devices are Juniper MX routers running 17. In this illustration, The following devices are a part of the data center EVPN-VXLAN overlay network 1 (DC1): Customer edge devices (CE1, CE2, and CE3) connected to the data center network. Course Contents. Basic L3VPN/MPLS stuff. 3R1 on MX Series routers. Heck, the creators of bgp and evpn both work for Juniper. Configure and monitor EVPN signaling for VXLAN. In this blog I want to show how easy it is to configure, enable and expand EVPN. 0: Only two-way multi-homing is supported. Both laptops are on the same subnet. With the help of Juniper Networks and our partner, Infradata, Interconnect was able to scale its cloud data centers and wide-area DCI network services, all easily connected across multiple sites using EVPN/VXLAN. 1R3-SX. 48 0 0 0 0 1 These options are: EVPN-VXLAN session over L3VPN-MPLS service; EVPN-VXLAN to EVPN-MPLS stitching; EVPN-VXLAN to EVPN-VXLAN stitching; EVPN-VXLAN session over dark fiber. Next up, they’re accelerating business services while simplifying and streamlining network operations with automated configuration Highly scalable support for both L2 and L3 services, allowing it to be used in the data center, data center interconnect (DCI), WAN, campus and metro. It is expected that IP connectivity has Juniper solutions address DCI deployments for all kinds of use cases with a range of IP and EVPN-VXLAN architectural options. DCI can be used to provide overlay Layer 2 and Layer 3 services between these fabrics. I can also see a designated and backup router. Next up, they’re accelerating business services while simplifying and streamlining network operations with automated configuration EVPN Type 5 Lab Topology. 0 table on both aggs and the laptops seem to be Sure. Sure. 3. P infrastructure is comprised of two Cisco-XR nodes running IOS XR 6. In each Data Center “Collapsed IP CLOS” is recommended to be configured if DCI Option 1 is selected for Layer 2 extension between the DCs. g VPLS) has limitation on combination EVPN handles some of these stretched L2 issues. Since the MX has full programmable chips Juniper also implements several overlay technologies like VXLAN. In traditionally server hyper-visor environment there is still need to configure and allow VLANs on Data Center switches ports connected with servers, which involves inordinate delays due to lengthy "Change Process" approval and dependency on many teams. L3VPN and the IP/MPLS transport network is going to provide us with routing of the VTEP addresses that we can establish our EVPN/VXLAN overlay with. In the show evpn instance extensive output I can now see a neighbour. evpn. 2R2 and 21. Way more proven than OTV. Day 1 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators Highly scalable support for both L2 and L3 services, allowing it to be used in the data center, data center interconnect (DCI), WAN, campus and metro. I think using L3VPN for DCI makes a lot of sense for a production network where the WAN may be managed my a The most complex DCI option remains – EVPN stitching. This makes the extension of services simple and flexible and is often chosen because it can be implemented by data center teams with little to no coordination with WAN or Service Provider groups. EVPN handles some of these stretched L2 issues. EVPN overlay format of NVO. In order to originate IP routes, each PE device is configured with L3 VRF, IRB interface and static route pointing to directly attached CE. Juniper has freely available version of vQFX for Vagrant. Figure 1: EVPN-VXLAN Data Center Interconnect Through WAN Running EVPN-MPLS. … Describe the benefits of using EVPN signaling for VXLAN. 1 Option 1. 2R1. It is a set of standards that define how one or more network devices, such as data center switches, can support a large number of Virtual Private Networks (VPNs) as an overlay over a data underlay network. The course ends with a multi-site data center design lab. 1. More than two Juniper leafs in a multi-homed group is not supported. The following limitations apply to EVPN multi-homing topologies for Juniper devices as of version 3. First, some terms. EVPN stitching concept is pretty simple – you just need to configure two EVPN instances on each These options are: EVPN-VXLAN session over L3VPN-MPLS service; EVPN-VXLAN to EVPN-MPLS stitching; EVPN-VXLAN to EVPN-VXLAN stitching; EVPN-VXLAN session over dark fiber. There are different options for using EVPN-VXLAN with DCI: DCI can connect multiple data centers in your WAN using MX Series edge routers with a Layer 3 VPN MPLS network between them. Design. CE devices are configured with static default routes pointing to the closest PE. g VPLS) has limitation on combination You can configure an IPv6 underlay for the VXLAN overlays in an EVPN-VXLAN fabric starting in: Junos OS Release 17. Juniper was the first to solve the DC interconnect problem with this. In this topic I will show you my example of EVPN-VXLAN to EVPN-MPLS stitching (there is also option of EVPN-VXLAN to EVPN-VXLAN stitching, but configuration should be similar to my example). In the initial state, end-to-end LSPs are established between PE1, PE2 and In this blog I want to show how easy it is to configure, enable and expand EVPN. Today’s virtualized data centers are typically deployed at geographically diverse sites in order to optimize the performance of application delivery to end users, and to maintain high availability of applications in the event of site disruption. This five-day course is designed to provide in-depth instruction on IP fabric and EVPN-VXLAN data center design and configuration. EVPN instantly simplifies DCI with scalable and efficient technology. 48 0 0 0 0 1 Juniper Contrail is Software Defined Networking (SDN) controller which automate the network provisioning in a Virtual Data Center. Each VPN can be one of several possible flavors of L2 or L3 With the help of Juniper Networks and our partner, Infradata, Interconnect was able to scale its cloud data centers and wide-area DCI network services, all easily connected across multiple sites using EVPN/VXLAN. Save yourself the trouble and move to evpn. The interconnected data center fabrics act as a single logical fabric. IPv6 underlay configurations are similar to IPv4 underlay configurations, except you set the Juniper has freely available version of vQFX for Vagrant. VXLAN tunnels & VTEPs Additionally, the course will cover other data center concepts, including basic and advanced data center design options, Data Center Interconnect (DCI), EVPN multicast enhancements, and an introduction to data center automation concepts. Mass Withdrawal - Used for fast convergence during link failure scenarios between leaf devices to the end server using Type 1 EAD/ES routes. I will be using full-2qfx-4srv-evpnvxlan topology in this post. 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