Switch Software Documentation, Release 8.1

• Catalyst 4500 Series Command Reference, 8.1
  Catalyst 4500 series, Catalyst 2948G and 2980G Command Reference Guide

• Catalyst 4500 Series Software Configuration Guide, 8.1

• Catalyst 4500 Series Quick Software Configuration Guide, 8.x

• System Message Guide - Catalyst Family Switches, 8.1

• Release Notes for Catalyst 4000 Family Software Release 8.x
  Release notes for the Catalyst 4500 series, Catalyst 2948G, 2948G-GE-TX, 4912G, and 2980G-A switches.