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Release 0.62#

2025-01-17 ยท Full Changelog

Lab Directory path#

No one will miss the old behavior of creating the lab directory in the current working directory. Now we are changing the behavior so that the lab directory is created in the directory where the topology file is located.

Why we did not do this from the beginning? Who knows...

Public keys export#

Containerlab has this super power of fetching your public keys and provisioning them to the supported nodes (Nokia SR Linux and SR OS at this point1).

The extracted keys will now also be visible in the topology export file available in your Lab Directory so that external systems parsing this file could use the public keys if needed.

Command line completions#

A feature that is typically used by power users, but that blows the socks off of regular users. Command line completions. We had it for a very long time, but this time around we revisited the documentation to make sure the snippets still work and also support the shorthand clab alias.

Go check it out.

IPv6 allow rules#

When containerlab creates the management docker network (clab by default) it sets up the iptables rules in the DOCKER-USER chain of the filter table to allow traffic destined to this network. This rule ensures that external systems can reach the lab nodes.

Unfortunately, we only set up the rules in the ipv4 address family, and with #2397 we fix this for ipv6 as well.

Besides the management network rules, containerlab also sets up rules in the FORWARD chain for the bridge nodes referenced in the topology file. But, again, we missed v6 rules, which are now being added as well (#2401).

Cisco IOL save support#

The Cisco IOL node type now supports the save command that saves the running configuration to the flash memory. #2403 by @kaelemc

Miscellaneous#

  • an option to skip sshd settings when using the quick setup script #2381 #2383 by @jklare
  • automatic CRLF->LF conversion for Nokia SR OS startup configs #2382 by @jcpvdm
  • IOL to support ethX interface names #2400 by @kaelemc
  • __clabNodeName__ magic var support for execs #2395
  • As we continue with testing of the Transparent Management Interface feature, we are documenting the steps needed to set it up.
  • removed publish nodes property as it was not working/used anymore #2404

Patches#

0.62.1#

  • fix iptables handling for both mgmt network and bridge nodes. The rules are now set up in both directions #2406

  1. You can add it for your platform of interest. ↩