show chassis hardware | no-more
show interfaces terse | match et-0/0/0
show interfaces et-0/0/0 | no-more
show interfaces et-0/0/0 extensive | no-more
show interfaces et-0/0/0 extensive | match err | no-more
show interfaces | match rate
show interfaces diagnostics optics et-0/0/0 | no-more
show interfaces diagnostics optics et-0/0/0 | except off | no-more
ping 10.10.10.2 rapid count 200