Versioning rolls 30 files and allows permanent configs. Confirmation prompt doesn’t disappear although the timer has run out and you don’t know when the config has rolled back. You can’t do anything else like checks and validations on CLI meanwhile. Prompt waits for enter to confirm commit forever. You can check pending config and commit shows diff and entered commands automatically.Ĭommit confirmed is strange. So I had to configure something and commit it before I could add more config. You can also install more Linux tools of your choice.Ĭommit is great feature but there were some dependencies that prevented entering all commands at the same time. Operational commands like ping, traceroute and tcpdump are native Linux tools. This is a very powerful option to make your own style configuration and workflow. You can mix and match native Linux and NCLU as you will. NCLU can show config as add statements and this snippet can be copied and pasted to notepad or another device. Commands are reorganized into config file stanzas in a different format. NCLU uses add/del commands to edit config. NCLU has tab completion, built-in help with config examples, commit and rollback with version control. NCLU is like poor man’s Junos, simple but feature-rich enough. There are additional Python-based cl-tools to operate certain features. NCLU is good for most of the configurations and familiar way for network engineers. Ĭumulus is Debian-based Linux and it can be configured like native Linux or through NCLU command wrapper. You can also test Cumulus in the cloud with full fabric setup and NetQ. I ran two VMs on my Windows laptop using Virtualbox. You can also run Cumulus on any common server.Ĭumulus VX virtual appliance is freely available for testing but not intended to be run in production. There are some notable differences between Broadcom and Mellanox. Hardware affects many advanced configurations like ACLs, QoS, DDoS protection, TCAM and HW profiles. Long-term ESR releases have 3 years of support time before EOL. Cumulus is now at 4.3 version so existing Broadcom switches don’t have many years left to run. Good thing is that Cumulus and Mellanox come from the same house nicely bundled.Ĭumulus 4.2 is the last version to support Broadcom chips. Now hardware is Mellanox Spectrum only which limits options radically. After Nvidia merger Broadcom switches dropped off last fall. There used to be over 130 different hardware platforms supported. Here’s a thread what I’ve noticed during my experimentation.
The goal is to make a tutorial for Cisco network engineers. Last few weeks I’ve tried to dive into Cumulus Linux and test how it is configured and operated. Here's a loooong thread what I've noticed during my experimentation. Last few weeks I've tried to dive into Cumulus Linux and test how it is configured and operated.
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