Juniper evpn designated forwarder vxlan. 0 set switch-options route-distinguisher 129.

Juniper evpn designated forwarder vxlan. Starting with Junos OS Release 17.

Juniper evpn designated forwarder vxlan —Starting in Junos OS Release 22. Jan 9, 2023 · Local interface: ae0. Contrail supports Ethernet VPNs (EVPN) and Virtual Extensible Local Area Networks (VXLAN). I feel like some of your earlier route policy steps may be negated by having both interfaces up/ Starting with Junos OS Release 17. 213. Someone needs to get a huge blogpost together on your very public war with Junos EVPNs. When trying to commit, I get the error: 'encapsulation vxlan' Encapsulation can only be configured for an EVPN instance An Ethernet VPN (EVPN) comprises of customer edge (CE) devices that are connected to provider edge (PE) devices, which form the edge of the MPLS infrastructure. Feb 1, 2021 · Learn why enabling data center interconnect (DCI) in EVPN-VXLAN data centers and overlay architectures is a good choice. 4R1, we've added support for the EVPN-VXLAN pure T5 host-route auto-generated community. As these data centers evolve to scale out What is EVPN-VXLAN? Ethernet VPN-Virtual Extensible LAN (EVPN-VXLAN) provides large enterprises a common framework for managing their campus and data center networks. There can be multiple EVPNs in the provider network. 3 IP Fabric VPN-VXLAN eference rcitecture The IP Fabric EVPN-VXLAN Solution Overview Traditionally, data centers have used Layer 2 technologies such as Spanning Tree Protocol (STP) and multichassis link aggregation group (MC-LAG) to connect compute and storage resources. Using a RIOT Loopback Port to Route Traffic in an EVPN-VXLAN Network | Junos OS | Juniper Networks A bridged overlay provides Ethernet bridging between leaf devices in an EVPN network, as shown in Figure 1. 11 Backup forwarder: 22. Configure the designated forwarder (DF) election granularity per member link for an aggregated Ethernet interface in an EVPN multihoming configuration. When a customer edge (CE) device in an Ethernet VPN-Multiprotocol Label Switching (EVPN-MPLS) environment is multihomed to two or more provider edge (PE) devices, the set of Ethernet links that connect the devices comprise an Ethernet segment. Managing the EVPN-VXLAN Fabric. This example uses the following devices and software: This example shows how to configure an Ethernet VPN (EVPN)-Virtual Extensible LAN (VXLAN) deployment using the virtual gateway address. Internet Group Management Protocol (IGMP) snooping and Multicast Listener Discovery (MLD) snooping constrain multicast traffic in a broadcast domain to interested receivers and multicast devices. EVPN-VXLAN overlays can be deployed over a variety of WAN technologies, including private MPLS and IPsec over Internet. Starting with Junos OS Release 18. Also, with OISM your network can support multicast traffic flow among devices inside and outside of the EVPN fabric. 4R1, you can use either an IPv4 or an IPv6 underlay in an EVPN-VXLAN fabric. This example shows how to configure the Link Aggregation Control Protocol (LACP) on multihomed customer edge (CE) and provider edge (PE) devices in an Ethernet VPN (EVPN) active-active multihomed network. 120. Collapsed Core EVPN-VXLAN with EVPN Multihoming Campus This example assumes that you have two data centers (DC1 and DC2) with separate networks. The following functionality is supported for EVPN-over-VXLAN data plane encapsulation: Junos OS on QFX Series switches support Enterprise style configuration and Service Provider style configuration. 1. Preference-based DF election for EVPN (QFX5110, QFX5120-32C, QFX5120-48T, QFX5120-48Y, QFX5200, QFX5210, QFX10002, QFX10002-60C, QFX10008, and QFX10016)—Starting in Junos OS Release 22. 36. VXLAN VNI Broadcast Domain EVPN Tag VXLAN VNI EVI-A Exportlocal routeswith Route Target 1111:1111 Importremote routes with Route Target 1111:1111 Exportlocal routeswith Route Target 2222:2222 Importremote routes with Route Target 2222:2222 MAC-VRF-A BGP Policy VRF-A BGP Policy MAC-VRF-A VRF-A VLAN 10 EVPN Tag 100 VXLAN VNI 100 VLAN 20 EVPN Tag The Junos EVPN ESI multi-homing feature enables you to directly connect end servers to leaf devices and provide redundant connectivity via multi-homing. What is EVPN-VXLAN? Ethernet VPN-Virtual Extensible LAN (EVPN-VXLAN) provides large enterprises a common framework for managing their campus and data center networks. 22 Last designated forwarder update: Dec 05 04:22:36 Internet Group Management Protocol (IGMP) snooping and Multicast Listener Discovery (MLD) snooping constrain multicast traffic in a broadcast domain to interested receivers and multicast devices. 18:1 This is going into the SP EVPN compendium. Normally in an VXLAN scenario you would mitigate this by configuring ingress-replication and the BUM traffic would not be sent out all VXLAN relevant interfaces but forwarded to all relevant nodes. 11. As compared with other types of Layer 2 VPNs, an EVPN consists of customer edge (CE) devices (host, router, or switch) connected to provider edge (PE) routers. Overview of a Collapsed Core with EVPN Multihoming in a Campus Network. Virtual Extensible LAN (VXLAN) is a tunneling protocol that creates the data plane for the L2 overlay network. An Ethernet VPN (EVPN) comprises of customer edge (CE) devices that are connected to provider edge (PE) devices, which form the edge of the MPLS infrastructure. 5 Juniper Networks EVPN Implementation for Next-Generation Data Center Architectures hite Paper ©2015, uniper Networks, Inc. 22. Bridged overlays provide an entry level overlay style for data center networks that require Ethernet connectivity but do not need routing services Support for single-link targeting on redundant logical tunnel (MX240, MX480, MX960, MX10003, MX1008, and MX10016)—Starting in Junos OS Release 24. juniper documentation also don't help much in this regard. 3 set protocols evpn encapsulation vxlan set protocols evpn multicast-mode ingress-replication set protocols evpn extended-vni-list all set switch-options vtep-source-interface lo0. 1R1, you can set the tunnel endpoint in the provider multicast service interface (PMSI) tunnel attribute field to use the ingress router’s secondary loopback address. Configures a logical link-layer encapsulation type. This document outlines the steps necessary to configure symmetric integrated routing and bridging (IRB) of Ethernet VPN (EVPN) Type 2 routes. You cannot have IPv4 and IPv6 underlays running concurrently. Starting with Junos OS Release 17. Physical Topology For an EVPN Fabric, Logical Topology, Intra-subnet Multicast without Optimization, Intra-subnet Multicast in EVPN Multihomed Topologies, Overall Forwarding Rules For Multicast Traffic in EVPN, Chapter Summary, Configuration, Traffic Verification, Detailed Control Plane Verification This document describes the configuration and validation steps for implementing Data Center Interconnect (DCI) using VXLAN stitching in a gateway device. Do you have time for a two-minute survey? MAC-VRF unifies EVPN E-LAN services configuration across all Juniper platforms for EVPN - MPLS or EVPN-VXLAN. 1R1, you can enable QFX Series switches to select a designated forwarder (DF) based on the preference value. Inter-VLAN routing happens on the leaf devices. This section introduces some commonly-used features in EVPNs that are using EVPN LAGs. Tunnel endpoint in the PMSI tunnel attribute field for EVPN Type 3 routes (ACX5448, EX4600, EX4650, EX9200, and QFX10002)—Starting in Junos OS Release 21. As a result, in general you don't need to configure this statement on EVPN-VXLAN devices. OISM avoids multicast data flooding to efficiently support scaled multicast environments. When multicast traffic arrives at the VXLAN core, a PE device configured with EVPN forwards traffic only to the local access interfaces where there are IGMP listeners. Show Ethernet VPN (EVPN) routing instance information. Oct 9, 2023 · Collapsed Core EVPN-VXLAN with EVPN Multihoming Campus Network Scaling Data | 47. ARP Request ingresses, for example, PE1 (designated forwarder) ae0 with non-zero ESI 00:01:01:01:01:01:01:01:01:01 ; ARP Request is flooded toward other local interfaces on same bridge domain by PE1 (DF) - This is expected behaviour. Enable intersubnet multicast (OISM) to optimize multicast traffic routing and forwarding in an EVPN edge-routed bridging (ERB) overlay fabric. We've heard a lot of horror stories about MC-LAG on Juniper, so we're trying to avoid that. Multiprotocol BGP (MP-BGP) addresses the flood and learn problem. This overlay type simply extends VLANs between the leaf devices across VXLAN tunnels. This topic describes the following multicast feature, which is supported in an EVPN-VXLAN overlay network: Sep 28, 2023 · However, the default routing behavior without this statement results in an optimal flood list with VTEPs and VLANs associated only based on advertised EVPN Type 3 routes. See PR1036561 - EVPN VXLAN: vxlan tunnels not created to Provider Edge Routers if source-vtep-interface ipv4 address doesn't match bgp local-address of ibgp session signaling EVPN family. 1R1. The steps in this example set up: Display information about optimized intersubnet multicast (OISM) elements configured on the devices in an EVPN-VXLAN fabric. This example shows how to configure EVPN and VXLAN on an IP fabric to support optimal forwarding of Ethernet frames, provide network segmentation on a broad scale, enable control plane-based MAC learning, and many other advantages. A CE device can be a host, a router, or a switch. Jun 19, 2018 · If the two IPV4 addresses do not match, VXLAN tunnels to PEs participating in the EVPN instance will not be setup properly and lead to forwarding loss. 40. DHCP security on Layer 3 VXLAN gateways in an EVPN-VXLAN edge-routed overlay (EX4300-MP, EX4300-MP VC, EX4400, EX4400 VC)If VC stands for Virtual Chassis, please use the spelled-out form: EX4300-MP Virtual Chassis, EX4400 Virtual Chassis. 3R1, the QFX5110 switch can function as a leaf device, which acts as L2 and L3 VXLAN gateways in an EVPN-VXLAN ERB overlay. . Aug 12, 2020 · What might be the possible reasons . show mac-vrf forwarding mgrp-policy | Junos OS | Juniper Networks with L2 and L3 VPN support in EVPN (see Figure 3). Because the traffic has no MPLS label, the split-horizon filtering rule for multihomed Ethernet segments is modified to be based on the IP address of the This example shows how to configure Ethernet VPN (EVPN) for multihomed customer edge devices in the active-active redundancy mode, so the Layer 2 unicast traffic can be load-balanced across all the multihomed links on and toward the CE device. 1R1, you can configure DHCP security features on devices that function as Layer 3 VXLAN gateways in an EVPN-VXLAN edge MAC-VRF and EVPN-VXLAN in DC EVPN-VXLAN reference architectures for MAC-VRF The EVPN-VXLAN MAC-VRF capabilities enabled at the Juniper QFX switches functioning as part of an EVPN-VXLAN IP Clos architecture extend the number of L2 virtualization options available to fabric administrators for A centrally-routed bridging (CRB) overlay performs routing at a central location in the EVPN network as shown in Figure 1, In this example, IRB interfaces are configured in the overlay at each spine device to route traffic between the VLANs that originate at the leaf devices and end systems. Site 1 Site 2 EVPN VXLAN Campus Fabric Virtual The Junos EVPN ESI multi-homing feature enables you to directly connect end servers to leaf devices and provide redundant connectivity via multi-homing. net You can interconnect different data center networks running Ethernet VPN (EVPN) with Virtual extensible LAN (VXLAN) encapsulation through a WAN running MPLS-based EVPN. Let us know what you think. EVPN with VXLAN encapsulation handles Layer 2 connectivity at the scale required by cloud server providers and replaces limiting protocols like Spanning Tree Protocol (STP), freeing up your Layer 3 network to use more robust routing protocols. ©2019, Juniper Networks, Inc. 0 set switch-options route-distinguisher 129. Set the time that the device waits before electing a designated forwarder (DF). Display information about logical mesh groups, which are part of a mechanism that Juniper Networks uses to control the flooding of broadcast, unknown unicast, and multicast (BUM) traffic. The VXLAN stitching feature enables you to stitch together specific VXLAN Virtual Network Identifiers (VNIs) to provide Layer 2 stretch between DCs on a granular basis. set version 21. As a result, this solution offers better overall scaling. The designated forwarder (DF) manages broadcast, unknown unicast, and multicast (BUM) traffic to prevent loops and ensure efficient traffic distribution. This example is based on a centrally-routed with bridging (CRB) EVPN architecture in a 5-stage Clos fabric. 2R1, we support single-link targeting. VXLAN is WAN underlay-agnostic provided the campuses, data centers, and the public cloud infrastructure have IP connectivity. Configure an Ethernet Segment Identifier (ESI) in either EVPN multihoming active/standby or active/active mode by using one of the following methods: Ethernet VPN (EVPN) is a BGP-based control plane technology that enables hosts (physical servers and virtual machines) to be placed anywhere in a network and remain connected to the same logical Layer 2 (L2) overlay network. In these sections, “Layer 3 side” refers to a network-facing interface that performs VXLAN encapsulation and de-encapsulation, and “Layer 2 side” refers to a server-facing interface that is a member of a VLAN that is mapped to a VXLAN. As a result, you can use EVPN-VPWS and pseudowire subscriber interface for headend termination into different services. 22 48618 48618 all-active DF Election Algorithm: MOD based Designated forwarder: 11. This topic provides information about configuring Ethernet VPN (EVPN) with Virtual Extensible Local Area Networks (VXLAN) data plane encapsulation on QFX5100, QFX5110, QFX5200, QFX5210, and EX4600 switches. 1, Status: Up/Forwarding Number of remote PEs connected: 1 Remote-PE MAC-label Aliasing-label Mode 22. 148: __crpd-brd2: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000 link/ether 56:68:a3:1a Starting with Junos OS Release 17. When configuring Virtual Extensible LANs (VXLANs) on QFX Series and EX Series switches, be aware of the constraints described in the following sections. Establishes which VXLAN virtual network identifiers (VNIs) will be part of the EVPN-VXLAN MP-BGP domain. It is actually quite normal to see duplicate packets in an evpn situation when you perform a ping. This feature adds a community to MAC-IP ARP/NDP-based pure Type 5 host routes. In a Virtual Extensible LAN (VXLAN) overlay network, the existing ping and traceroute commands can verify the basic connectivity between two Juniper Networks devices that function as virtual tunnel endpoints (VTEPs) in the underlying physical network. This example uses the following hardware and software components: EVPN provides mechanisms for next generation DCI by adding extended control plane procedures to exchange Layer 2 MAC address and Layer 3 IP address information among the participating Data Center Border Routers (DCBRs). The behavior with this option is called port-based DF election with EVPN multihoming. Configure a designated forwarder election hold time and specific route targets (RTs) for each VXLAN network identifier (VNI). An Ethernet VPN (EVPN) enables you to connect dispersed customer sites using a Layer 2 virtual bridge. 11 set interfaces ae0 flexible-vlan-tagging set interfaces ae0 aggregated-ether-options lacp active set interfaces ae0 aggregated-ether-options lacp periodic fast set interfaces ae0 unit 106 description "new iBGP connection to MX2" set interfaces ae0 unit 106 vlan-id 106 set interfaces ae0 unit 106 family inet address 2. Layer 2 Data Center Interconnect (DCI) gateway devices perform routing over stitched Virtual Extensible LAN (VXLAN) tunnels. Enable an Ethernet VPN (EVPN) on the routing instance. When it comes to the EVPN protocol, it recommends this config: protocols { evpn { encapsulation vxlan; default-gateway do-not-advertise; extended-vni-list all; }} However, I can't get encapsulation to work. How to Configure a Campus Network using EVPN Multihoming. With this feature, the device can serve as a Layer 3 VXLAN gateway in an EVPN-VXLAN fabric. ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ <https://www. This example shows how to configure IGMP snooping on provider edge (PE) devices in an Ethernet VPN (EVPN)-Virtual Extensible LAN. An EVPN-VXLAN architecture supports efficient Layer 2 and Layer 3 network connectivity with scale, simplicity, and agility, while also reducing OpEx costs. 4R1, you can configure aggregated Ethernet interfaces and aggregated Ethernet logical interfaces to automatically derive Ethernet segment identifiers (ESIs) from the Link Aggregation Control Protocol (LACP) configuration. MLD snooping with multicast forwarding ensures that IPv6 multicast traffic reaches all subscribed receivers within and between bridge domains or VLANs, and preserves bandwidth on the access side by reducing the amount of multicast control and data traffic being forwarded. Choose how the device elects the designated forwarder (DF) for an Ethernet segment among the multihoming peer provider edge (PE) devices in an Ethernet VPN (EVPN) network. Display the details of the VPWS instance of the EVPN. Designated forwarders are chosen for an Ethernet segment identifier (ESI) based on type-4 route advertisements. 4R1, you can use Ethernet VPN (EVPN) to extend a Junos Fusion Enterprise or multichassis link aggregation group (MC-LAG) network over an MPLS network to a data center or campus network. EVPN-VXLAN pure T5 host-route auto-generated community (ACX7024, ACX7100-32C, ACX7100-48L, PTX10001-36MR, PTX10004, and PTX10008)—Starting in Junos OS Evolved Release 23. Ethernet VPN (EVPN) is a control plane technology that enables hosts (physical [bare-metal] servers and virtual machines [VMs]) to be placed anywhere in a network and remain connected to the same logical Layer 2 (L2) overlay network. Oct 6, 2021 · set protocols bgp group overlay family evpn signaling set protocols bgp group overlay neighbor 129. EVPN-VXLAN fabric with an IPv6 underlay (EX4400-24MP, EX4400-24P, EX4400-24T, EX4400-24X, EX4400-48F, EX4400-48MP, EX4400-48P, and EX4400-48T)—Starting in Junos OS Release 23. This example assumes the ERB fabric is in place so the focus can be placed on using FBF to select flows for security inspection. Jun 24, 2020 · This includes the uplink ae0 double-homed toward PE1 (designated forwarder) and PE2 (non-DF). You can configure a RIOT loopback port on a device that doesn't support native VXLAN routing. 2. Display information about the designated forwarder (DF) status of PIM Ethernet VPN (EVPN) gateway (PEG) devices in an EVPN-VXLAN network running optimized intersubnet multicast (OISM). Sep 7, 2022 · This network configuration example (NCE) shows how to configure remote port mirroring for EVPN-VXLAN fabrics. This feature improves root@PE1_CRPD:/# ip -d link show __crpd-brd2. Port mirroring copies a traffic flow and sends it to a remote monitoring (RMON) station using a GRE tunnel. To help optimize multicast traffic flow in an Ethernet VPN (EVPN) over MPLS environment, you can enable IGMP snooping for IPv4 multicast traffic or MLD snooping for IPv6 multicast traffic. 1R1, you can configure DHCP security features on devices that function as Layer 3 VXLAN gateways in an EVPN-VXLAN edge Contrail supports Ethernet VPNs (EVPN) and Virtual Extensible Local Area Networks (VXLAN). The PE devices provide Layer 2 virtual bridge connectivity between the CE devices. You can enable the fast reroute egress link protection (ELP) feature on multihoming peer provider edge (PE) devices in an EVPN-VXLAN network. This example shows how to configure active-standby multihoming in an Ethernet VPN (EVPN) fabric with MPLS. I attached a high level diagram of my lab devices. This example shows how to configure Ethernet VPN (EVPN) with MPLS for multihomed customer edge (CE) devices in active-standby redundancy mode. It is intended as a resource to help readers understand EVPN LAG capabilities in different contexts. You can interconnect different data center networks running Ethernet VPN (EVPN) with Virtual extensible LAN (VXLAN) encapsulation through a WAN running MPLS-based EVPN. 4R1, you can configure an Ethernet VPN–Virtual Extensible LAN (EVPN-VXLAN) fabric with an IPv6 underlay. This feature is supported only on LAGs that span two leaf devices on the fabric. Leaf/spine switches model: QFX5200 Set various global or per-routing-instance options in an EVPN-VXLAN fabric. In this role, the device provides Layer 3 connectivity between physical (bare-metal) servers and virtual machines (VMs) within a data center. We're looking to deploy EVPN/VXLAN on our new QFXs for implementing dual-homed active/active ESI for a bunch of our dual-homed VM servers. EVPN-VPWS as a next generation of pseudowire technology brings the benefit of EVPN to point-to-point service by providing fast convergence upon node failure and link failure through its multi-homing feature. EVPN all-active mode with VXLAN encapsulation is based on the local bias for traffic coming from the access layer (redundant Layer 2 gateway function through a pair of top-of-rack switches). This topic provides a sample configuration of a QFX device that functions as a leaf in an ERB overlay. actually I am new to vxlan-evpn so I don't know how to troubleshoot this. This section provides an overview of the Juniper EVPN-VXLAN reference architectures and the role of EVPN LAGs in these architectures. This example shows how to configure Virtual Extensible Local Area Network (VXLAN) data center connectivity using Ethernet VPN (EVPN) to leverage the benefits of EVPN as a data center interconnect (DCI) solution. The Junos EVPN ESI multi-homing feature enables you to directly connect end servers to leaf devices and provide redundant connectivity via multi-homing. This EVPN-VXLAN fabric uses the edge-routed bridging (ERB) model. Feb 26, 2021 · Seamless EVPN-VXLAN stitching simplifies Layer 2 DCI and multi-pod architectures by providing clear demarcation points between pods and sites, thereby enabling improved flood control. In this environment, multicast receiver hosts in the EVPN instance (EVI) can be single-homed to one provider edge (PE) device or multihomed in all-active This configuration example uses the following devices: IGMP snooping with multicast forwarding ensures that IPv4 multicast traffic reaches all subscribed receivers within and between bridge domains or VLANs, and preserves bandwidth on the access side by reducing the amount of multicast control and data traffic being forwarded. EVPN Type-4 Routes and the Need for a Designated Forwarder 139 Aliasing, Fast Convergence, and Split Horizon with EVPN Type-1 Routes 147 Core Isolation in an EVPN VXLAN Fabric 157 Display information about logical mesh groups, which are part of a mechanism that Juniper Networks uses to control the flooding of broadcast, unknown unicast, and multicast (BUM) traffic. An Ethernet segment identifier (ESI) is a 10-octet integer that identifies this segment. 7. EVPN Multihoming Designated Forwarder Election | Junos OS | Juniper Networks Enable an Ethernet VPN (EVPN) on the routing instance. This increases the overhead on the provider network. These are driven by the service provider requirements, RFC compliance, and design choices. Aug 9, 2010 · Help us improve your experience. juniper. However, with EVPN, several thousands of MAC addresses are carried from each virtual routing and forwarding (VRF) instance, requiring frequent updates on newly learned MAC routes and withdrawn routes. Proxy Address Resolution Protocol (ARP) and ARP suppression, and proxy Neighbor Discovery Protocol (NDP) and NDP suppression are supported as follows: Building Blocks of EVPNoVXLAN, Sample EVPNoVXLAN Topology, Different VLAN Services with EVPN, Layer 2 Traffic Types, Data-Plane vis-à-vis Control-Plane MAC Learning, EVPN Multihoming with Ethernet Segment Identifier, Chapter Summary An Ethernet LAN (E-LAN), defined by the Metro Ethernet Forum (MEF), is a multipoint-to-multipoint transparent Layer 2 (L2) VLAN service that connects two or more user network interfaces (UNIs). Apr 2, 2024 · Hello, I spent a little more time on this strange evpn duplicate packet problem. 1 If I have the following configuration root@vQFX-3# show protocols evpn | display set set protocols evpn vni-options vni 102 vrf-target target:102:102 set protocols evpn encapsulation vxlan set protocols evpn multicast-mode ingress-replication set protocols evpn extended-vni-list 100 set protocols evpn extended-vni-list 101 set protocols evpn extended-vni-list 102 {master:0}[edit] root@vQFX-3 Ensure that all the member links in an aggregated Ethernet (AE) interface between a multihomed customer edge (CE) device and its multihoming peer provider edge (PE) devices take the same designated forwarder (DF) election role per Ethernet segment (ES). EVPN-VXLAN fabric with an IPv6 underlay (ACX7024, ACX7100-32C and ACX7100-48L)—Starting in Junos OS Evolved Release 23. Configuring Optional Add-Ins. One level deeper, from a tcpdump capture and an mon int traff command , I see that the single homed PE4 R4 in the diagram is duplicating the icmp request packet from H1 and sending both packets on, ie one to r2 and one to r3 (in the capture I saw a frame with a EVPN-VXLAN fabric with an IPv6 underlay (ACX7024, ACX7100-32C and ACX7100-48L)—Starting in Junos OS Evolved Release 23. so please help if you have any idea in kind of circumstances this kind of problems can occur or how to troubleshoot such issue . EVPN ESI also removes the need for "peer-link", and hence facilitates clean leaf-spine design. With this instance, the CLI service-type drives the requirements of the service under a single umbrella for the E-LAN services. On these devices, you can configure integrated routing and bridging (IRB) interfaces that route packets between VLANs. cjmroay kyuvaak rjkhry zsxc vayrre nxe fpony vvar guqglzh pnvrecyh gbhm rqsyz wvlhqku smvr zzpf