What information does the show chassis routing-engine command provide?

The show chassis routing-engine command is used to display the current operational status and resource utilization of the Routing Engine (RE). The output includes critical performance metrics such as CPU utilization percentages (separated into user, background, kernel, interrupt, and idle states), memory utilization, and load averages. This information is essential for monitoring the health and performance of the device's control plane.

A. chassis serial number: This information is obtained using the show chassis hardware command, which details the physical components and their serial numbers.

C. system version: The specific Junos OS software version is displayed with the show version command.

D. routing tables: The contents of the routing tables are viewed using commands such as show route.

Juniper Networks TechLibrary: show chassis routing-engine. This official documentation page details the output fields for the command

explicitly listing "CPU utilization

" "Memory utilization

" and "Load averages" as key information provided.

URL: https://www.juniper.net/documentation/us/en/software/junos/cli-reference/topics/ref/command/show-chassis-routing-engine.html

Juniper Networks TechLibrary: Monitoring the Routing Engine. This guide explains that the show chassis routing-engine command is a primary tool for checking the CPU and memory load on the RE.

URL: https://www.juniper.net/documentation/us/en/software/junos/chassis/topics/topic-map/chassis-monitoring.html