--- title: XE: Configuration Notes « ipSpace.net blog | daily.dev description: Practical configuration notes for setting up EVPN with VXLAN on Cisco IOS/XE devices, covering platform compatibility, router vs. switch differences, and EBGP... canonical: https://daily.dev/posts/xe-configuration-notes-ipspace-net-blog-ywhnqithz twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: XE: Configuration Notes « ipSpace.net blog | daily.dev og:description: Practical configuration notes for setting up EVPN with VXLAN on Cisco IOS/XE devices, covering platform compatibility, router vs. switch differences, and EBGP... og:url: https://daily.dev/posts/xe-configuration-notes-ipspace-net-blog-ywhnqithz og:image: https://api.daily.dev/og/posts/ywHNQitHZ.png og:image:alt: XE: Configuration Notes « ipSpace.net blog og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # XE: Configuration Notes « ipSpace.net blog **[ipSpace.net Blog](https://daily.dev/sources/ipspace)** · 3 min read · 0 upvotes · 0 comments ## Summary Practical configuration notes for setting up EVPN with VXLAN on Cisco IOS/XE devices, covering platform compatibility, router vs. switch differences, and EBGP quirks. Key findings: use software release 17.16.01a or later; EVPN works on Catalyst 8000v, Cisco IOL, and IOL L2 but not CSR (which only supports EVPN over MPLS); IOS/XE routers and switches use different constructs (bridge-domain vs. vlan configuration). Notable gotchas include the `member evpn-instance` command requiring `host-reachability protocol bgp` on the NVE interface, EBGP sessions needing `ebgp-multihop` for loopback next-hops, and `neighbor next-hop-unchanged` not working — requiring a route map workaround instead. IRB scenarios on IOL L2 require disabling `autostate` on VLAN interfaces. EBGP-over-EBGP and IBGP-over-EBGP scenarios work once these issues are resolved. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What minimum Cisco IOS/XE software release is required for EVPN with VXLAN to work reliably on virtual machines? Release 17.16.01a or later is required for reliable EVPN with VXLAN on Cisco IOS/XE virtual machines. Earlier releases may accept the configuration but do not work correctly. Physical hardware appears more reliable at lower versions — one production deployment ran on 16.12.x on ASR1K. Problems seen on 17.13 largely disappear after upgrading to 17.16.01a. _Engineers deploying Cisco EVPN fabrics track version-specific fixes like these on daily.dev before committing to a software train._ ### Why does `neighbor next-hop-unchanged` not work for EVPN EBGP sessions on Cisco IOS/XE and what is the workaround? Cisco IOS/XE EVPN aggressively rewrites the BGP next hop on EBGP sessions, and the `neighbor next-hop-unchanged` command does not prevent this for EVPN address families. The workaround is to create a route map that sets `ip next-hop unchanged` and apply it to outbound EVPN updates on the EBGP neighbor. _Network engineers troubleshooting EVPN next-hop issues on Cisco gear share workarounds like this on daily.dev._ ### Why does `member evpn-instance` fail to work on Cisco IOS/XE bridge-domain or vlan configuration? The `member evpn-instance` command does not take effect until `host-reachability protocol bgp` is configured on the NVE (VXLAN) interface. Without this, the EVPN instance membership is accepted by the CLI but does not function, making it a non-obvious dependency in the EVPN setup sequence on IOS/XE. _Cisco EVPN configuration dependencies like this one surface regularly for network engineers following networking content on daily.dev._ ## Similar posts on daily.dev - [EVPN with SR-MPLS Core « ipSpace.net blog](https://daily.dev/posts/evpn-with-sr-mpls-core-ipspace-net-blog-taobtibzc) · ipSpace.net Blog · 0 upvotes · 0 comments --- Tags: [#bgp](https://daily.dev/tags/bgp), [#evpn](https://daily.dev/tags/evpn) [View this post on daily.dev](https://daily.dev/posts/xe-configuration-notes-ipspace-net-blog-ywhnqithz) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"XE: Configuration Notes « ipSpace.net blog","url":"https://daily.dev/posts/xe-configuration-notes-ipspace-net-blog-ywhnqithz","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/xe-configuration-notes-ipspace-net-blog-ywhnqithz"},"datePublished":"2026-08-11T08:52:20.954Z","dateModified":"2026-10-14T02:29:01.887Z","description":"Practical configuration notes for setting up EVPN with VXLAN on Cisco IOS/XE devices, covering platform compatibility, router vs. switch differences, and EBGP...","image":"https://media.daily.dev/image/upload/s--qPvKM23u--/f_auto/v1722860399/public/Placeholder%2009","thumbnailUrl":"https://media.daily.dev/image/upload/s--qPvKM23u--/f_auto/v1722860399/public/Placeholder%2009","isAccessibleForFree":true,"articleSection":"ipSpace.net Blog","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"ipSpace.net Blog","logo":"https://media.daily.dev/image/upload/s--xS7E82MT--/f_auto,q_auto/v1786438303/logos/ipspace?_a=BAMAMicg0","url":"https://daily.dev/sources/ipspace"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/xe-configuration-notes-ipspace-net-blog-ywhnqithz","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"bgp,evpn","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"ipSpace.net Blog","item":"https://daily.dev/sources/ipspace"},{"@type":"ListItem","position":3,"name":"XE: Configuration Notes « ipSpace.net blog"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/xe-configuration-notes-ipspace-net-blog-ywhnqithz#faq","mainEntity":[{"@type":"Question","name":"What minimum Cisco IOS/XE software release is required for EVPN with VXLAN to work reliably on virtual machines?","acceptedAnswer":{"@type":"Answer","text":"Release 17.16.01a or later is required for reliable EVPN with VXLAN on Cisco IOS/XE virtual machines. 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