In short, I don't think iit is possible with the current plugin without editing the script. Running a --help of the command outputs:
Code: Select all
[snip]
-S, --intspeed
Include speed in performance output in bits/s
-y, --perfprct ; -Y, --perfspeed
-y : output performance data in % of max speed
-Y : output performance data in bits/s or Bytes/s (depending on -B)
[snip]
-B, --kbits
Make the warning and critical levels in K|M|G Bits/s instead of K|M|G Bytes/s
-G, --giga ; -M, --mega ; -u, --prct
-G : Make the warning and critical levels in Gbps (with -B) or GBps
-M : Make the warning and critical levels in Mbps (with -B) or MBps
-u : Make the warning and critical levels in % of reported interface speed.
[snip]
It looks like the Mbps/Gbps switches are just used for thresholds. The actual performance data is *only* reported as either bps, Bps, or percentage.