31. The summary counters might not be all that useful in the
    form presented. Especially if the number 
    interfaces are large in a given network element.
    As an alternative to a summary, maybe provide 
    a "top N" style view of icmp errors by interface
    to answer the question, which interfaces have the
    most errors?

--- 8/6
why do we care about "which interface has the most errors"?