A collection of 4 posts

Sep 30, 2012

CCNA Security

I have found myself using the Cisco ASA more and more in the day job. This is mainly due to me changing jobs back in March and looking after customers who have ASA

May 30, 2011

Simple Network Management Protocol (SNMP)

Versions commonly used;- SNMPv1 – RFC 1157 - SNMPv2c (an extension to SNMPv2 to allow for communities) – RFC 1901, RFC 1905, and RFC 1906 - SNMPv3 (provides mechnism to encrypt and authenticate) –  RFCs

Nov 29, 2010


Unidirectional Link Detection (UDLD) is a Cisco proprietary extension that lives to detect miss-configured and broken links between Cisco switches. It verifies that they can both send and receive data on a point-to-point

Nov 9, 2010

CCIE R&S v4.0 Blueprint

The CCIE Routing & Switching blueprint can be see below, the topics that I have covered as part of my study will have hyper-links off to the corresponding post.  This is very much