• Author : Joris Claassen


Verbose counters on Arista 7130 series

Arista 7130 series running MOS can give very verbose counter output using the CLI or through API. Using CLI, there are two distinct commands to show the counters which are inside the device. To view them, one enters one of the following CLI commands: For the regular (non-verbose) counter view: show interface counters For the verbose counter view: show interface counters verbose [nonzero]   Counter naming Most counters have both a “line” and “host” side counter. These counters account for the side that is connected to the SFP – “line”, and another counter which is connected to the crosspoint –...
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cEOS-lab in GNS3

GNS3 is a great tool to visualize your (home-)lab environment and simulate all kinds of network topologies using different virtualization and isolation technologies. It has been widely used to create environments using vEOS-lab, but because vEOS-lab requires quite some resources (e.g. 2GB of RAM is required) the scale of these labs was often quite limited, especially on low-memory devices. Arista’s cEOS-lab is a new way of packaging the EOS-lab suite. Using the Docker container daemon, it is possible to use the kernel of the host machine and to only run the EOS processes that are required on the machine, making...
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