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netlab a virtual networking labbing tool netlab documentation netlab installation guides installation supported platforms using the tools tutorials lab topology overview cli overview addressing tutorial defining and using vrfs external connectivity reference materials netlab command reference lab topology reference list of configuration modules netlab plugins output formats customize netlab release notes release notes platform caveats developers contributor guidelines developing plugins implementation notes advanced topics roadmap proposals netlab netlab a virtual networking labbing tool home netlab a virtual networking labbing tool view page source netlab a virtual networking labbing tool netlab will help you be more proficient once you decide to drop gui based virtual networking labs and build your labs using cli and infrastructure as code principles using netlab you can describe high level lab topology in yaml format without worrying about the specific implementation details use the same lab topology with multiple virtualization providers kvm libvirt docker containers or physical devices create vagrant and containerlab configuration files and ansible inventory from the lab topology configure ip addressing routing protocols vlans vrfs and other networking technologies in your lab based on your lab topology the netlab up command will create ipv4 and ipv6 addressing plan and ospfv2 ospfv3 eigrp is is ripv2 ripng bgp mpls vpn and evpn routing design prepare all the necessary configuration files to start the lab start the lab using vagrant or containerlab create additional virtual networking infrastructure needed to support your lab deploy initial configurations interfaces ipv4 and ipv6 addresses usernames to your lab devices configure vlans vrfs vxlan lldp lag including mlag and linux link bonding stp bfd ospfv2 ospfv3 eigrp ripv2 ripng is is bgp vrrp anycast gateways dhcp clients and servers mpls bgp lu l3vpn vpnv4 vpnv6 6pe evpn sr mpls or srv6 on your lab devices configure static routes prefix lists as path filters bgp community filters route maps route redistribution and default route origination start external network management tools specified in lab topology like graphite suzieq or cisco nso when the lab is fully configured you can use netlab connect command to connect to network devices via ssh or docker exec netlab config command to deploy custom configuration snippets netlab capture command to capture packets on vm or container interfaces netlab exec command to execute arbitrary commands on one or more network devices netlab tc to disable enable display or modify link impairment parameters before shutting down your lab with the netlab down command you might want to run the netlab collect command to save the configuration changes you made getting started explore the supported platforms to figure out whether you could build your desired lab with netlab read the installation guide choose the virtualization method you d like to use to build your lab follow the instructions in the installation guide to build your lab environment more information after installing netlab you might want to follow the tutorials read the blog posts _ describing netlab features and use cases explore bgp configuration labs built with netlab need even more examples you ll find them in netlab examples repository sample topology files we re using for integration testing might also be interesting want to see the source code it s on github want to ask a question or report a bug open a discussion or an issue in the netlab github repository next copyright 2020 2025 ivan pepelnjak jeroen van bemmel stefano sasso dan partelly and other contributors powered by sphinx sphinx rtd theme and sphinx rtd dark mode hosted on cloudflare pages