--- title: netsim-tools: New in December 2021 « ipSpace.net blog description: netsim-tools received significant updates in December 2021. Pete Crocker contributed Fortinet device support with IPv4, IPv6, and OSPF configuration. Jeroen... canonical: https://daily.dev/posts/netsim-tools-new-in-december-2021-ipspace-net-blog-23ch4nof3 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: netsim-tools: New in December 2021 « ipSpace.net blog | daily.dev og:description: netsim-tools received significant updates in December 2021. Pete Crocker contributed Fortinet device support with IPv4, IPv6, and OSPF configuration. Jeroen... og:url: https://daily.dev/posts/netsim-tools-new-in-december-2021-ipspace-net-blog-23ch4nof3 og:image: https://api.daily.dev/og/posts/23cH4nOF3.png og:image:alt: netsim-tools: New in December 2021 « 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. # netsim-tools: New in December 2021 « ipSpace.net blog **[ipSpace.net Blog](https://daily.dev/sources/ipspace)** · 2 min read · 0 upvotes · 0 comments ## Summary netsim-tools received significant updates in December 2021. Pete Crocker contributed Fortinet device support with IPv4, IPv6, and OSPF configuration. Jeroen van Bemmel added Nokia SR Linux and SR OS support covering OSPF, ISIS, BGP, and SR-MPLS. New features include hierarchical device groups, device-specific module attributes, custom deployment templates, a --fast option for netlab initial using Ansible's free strategy, multi-access LAN links for containerlab, automatic vagrant-libvirt management network creation, and a fix expanding lab size support up to 20 devices. The tool was later renamed to netlab starting with release 1.3. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What is the device limit for vagrant-libvirt labs in netsim-tools? The device limit for vagrant-libvirt labs in netsim-tools is 20 devices. This was fixed by Pete Crocker, who corrected the XML definition to support labs with more than 10 devices. To go beyond 20, additional static DHCP entries must be added manually and submitted as a pull request. _Network engineers pushing lab size limits track netsim-tools and netlab updates on daily.dev._ ### Does netsim-tools support Nokia SR Linux and SR OS, and what protocols are configured? Yes, netsim-tools supports Nokia SR Linux and SR OS. The support was contributed by Jeroen van Bemmel and covers initial device configuration along with OSPF, ISIS, BGP, and SR-MPLS protocol configuration. _Engineers evaluating Nokia virtual lab support alongside other platforms follow netlab developments on daily.dev._ ## Similar posts on daily.dev - [netlab 26.09: Syslog, More DNS, Netmiko « ipSpace.net blog](https://daily.dev/posts/netlab-26-09-syslog-more-dns-netmiko-ipspace-net-blog-7hzbp4smq) · ipSpace.net Blog · 0 upvotes · 0 comments --- Tags: [#networking](https://daily.dev/tags/networking), [#ansible](https://daily.dev/tags/ansible) [View this post on daily.dev](https://daily.dev/posts/netsim-tools-new-in-december-2021-ipspace-net-blog-23ch4nof3) ```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":"netsim-tools: New in December 2021 « ipSpace.net blog","url":"https://daily.dev/posts/netsim-tools-new-in-december-2021-ipspace-net-blog-23ch4nof3","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/netsim-tools-new-in-december-2021-ipspace-net-blog-23ch4nof3"},"datePublished":"2026-08-11T08:52:14.882Z","dateModified":"2026-08-24T07:00:16.012Z","description":"netsim-tools received significant updates in December 2021. 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