In Layer 2 network topology, when there is changes within the topology or new device connected with Layer 2 feature, the spanning tree feature will calculated again which device is gonna be root switch, which port is gonna be designated port, alternate port, etc. In Cumulus, we can check which port is triggered by that […]
Tag: NVIDIA
Troubleshooting : Check MAC Address Learning on Cumulus
In Cumulus OS Switches, we can do MAC checking regarding troubleshooting Layer 2 function. At first we can use this command to make sure the MAC address is learned from some interfaces source. net show mac bridge macs If we want to check the Forward Database Mac on Cumulus OS Switches, you can use this […]
How to Check Uptime & Upgrade Firmware on infiniband unmanage switch
You can check the unmanaged status with some MFT commands on the hosts in the fabric. Assume there is an unmanaged switch with LID 1, then you can check the uptime information with the following command: And you can also check the current firmware information with this following command: Almost all devices consist of hardware, […]