Working with active equipment, one way or another you face the problem that the insane length of the output is hard to grasp and read with your eyes. But in companies work, also people and heritage at all this Unix-ovoe therefore it would be strange that there is no solution of this question.
further mini review, a pair of teams that will greatly facilitate life.

command | filter <Regular Expression>

In place of the team can be any team show or more. The command is followed by pipe '|', a filter, and then a regular expression.

Cisco has such filters (for example, show run):

include - will show the configuration lines in which the regular expression occurs
exclude - displays all configuration strings except where the regular expression occurs
begin - displays the string starting with the string in which the regular expression occurs
section (may not be supported on switches) will show the configuration section whose name contains the regular expression