--- title: State of LDPv6 and 6PE « ipSpace.net blog | daily.dev description: A discussion of the current state of LDPv6 versus 6PE for IPv6 MPLS transport, based on real-world deployment experience. LDPv6 works on Junos, IOS XR, and... canonical: https://daily.dev/posts/state-of-ldpv6-and-6pe-ipspace-net-blog-vbesiea5t twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: State of LDPv6 and 6PE « ipSpace.net blog | daily.dev og:description: A discussion of the current state of LDPv6 versus 6PE for IPv6 MPLS transport, based on real-world deployment experience. LDPv6 works on Junos, IOS XR, and... og:url: https://daily.dev/posts/state-of-ldpv6-and-6pe-ipspace-net-blog-vbesiea5t og:image: https://api.daily.dev/og/posts/VBesiea5t.png og:image:alt: State of LDPv6 and 6PE « 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. # State of LDPv6 and 6PE « ipSpace.net blog **[ipSpace.net Blog](https://daily.dev/sources/ipspace)** · 3 min read · 0 upvotes · 0 comments ## Summary A discussion of the current state of LDPv6 versus 6PE for IPv6 MPLS transport, based on real-world deployment experience. LDPv6 works on Junos, IOS XR, and Nokia/ALU but is absent from Arista EOS and Cisco IOS XE. 6PE is more widely supported across platforms. In greenfield networks, SR-MPLS is presented as a viable alternative that simplifies the protocol stack. A June 2023 update from a practitioner confirms LDPv6 has been running stably since 2019 on Junos/IOS XR, but Cisco has no plans to add IOS XE support and is pushing SRv6 instead. The author notes with dry humor that the network in question has shifted heavily toward Juniper gear. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### Which router platforms support LDPv6 for IPv6 MPLS transport? LDPv6 is supported on Junos, IOS XR, and Nokia/ALU, but not on Arista EOS or Cisco IOS XE. Cisco has no plans to add LDPv6 support to IOS XE and is instead pushing SRv6. Interoperability between Junos and IOS XR had early issues but has been stable since around 2019. _Network engineers evaluating MPLS IPv6 options track platform support gaps like these on daily.dev._ ### What is the difference between LDPv6 and 6PE for IPv6 over MPLS? LDPv6 runs IPv6 natively through the MPLS core using IPv6 label distribution, while 6PE tunnels IPv6 traffic over an IPv4-only MPLS core using BGP. 6PE is supported on a wider range of platforms and avoids the complexity of managing dual OSPF/LDP and OSPFv3/LDPv6 interactions, making it a practical choice when L3VPN or EVPN services are also needed. _Architects choosing between IPv6 transport strategies find real-world comparisons like this on daily.dev._ ## Similar posts on daily.dev - [Multivendor SR-MPLS « ipSpace.net blog](https://daily.dev/posts/multivendor-sr-mpls-ipspace-net-blog-qekokwduk) · ipSpace.net Blog · 0 upvotes · 0 comments - [MPLS/VPN with SR-MPLS Core « ipSpace.net blog](https://daily.dev/posts/mpls-vpn-with-sr-mpls-core-ipspace-net-blog-nw3uwiphe) · ipSpace.net Blog · 0 upvotes · 0 comments - [BGP-Free Network Core with SRv6 « ipSpace.net blog](https://daily.dev/posts/bgp-free-network-core-with-srv6-ipspace-net-blog-9bbn88wub) · ipSpace.net Blog · 0 upvotes · 0 comments - [IPng Networks](https://daily.dev/posts/ipng-networks-u37jx9af5) · IPng Networks · 0 upvotes · 0 comments - [BGP-Free Core with SR-MPLS « ipSpace.net blog](https://daily.dev/posts/bgp-free-core-with-sr-mpls-ipspace-net-blog-h7kronzy3) · ipSpace.net Blog · 0 upvotes · 0 comments --- [View this post on daily.dev](https://daily.dev/posts/state-of-ldpv6-and-6pe-ipspace-net-blog-vbesiea5t) ```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":"State of LDPv6 and 6PE « ipSpace.net blog","url":"https://daily.dev/posts/state-of-ldpv6-and-6pe-ipspace-net-blog-vbesiea5t","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/state-of-ldpv6-and-6pe-ipspace-net-blog-vbesiea5t"},"datePublished":"2026-08-11T08:53:28.866Z","dateModified":"2026-08-11T09:09:55.915Z","description":"A discussion of the current state of LDPv6 versus 6PE for IPv6 MPLS transport, based on real-world deployment experience. 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