title: SNMP OID: How to find the firmware version of a cisco switch from MIB
body: <p>I am looking for a <code>OID</code> to get the firmware version of a <code>Cisco Switch</code> using <code>SNMP</code>.</p>
  
  <p>I tried the below <code>MIB</code> files, i couldn't.</p>
  
  <pre><code>OLD-CISCO-CHASSIS-MIB.mib
  ENTITY-MIB.my
  CISCO-ENTITY-ASSET-MIB
  </code></pre>
  
  <p>Do anybody know the <code>OID</code>, if so, kindly post me. Thanks</p>