This short video explains what SDP (Session Description Protocol) is and walks through the SDP Offer and the SDP Answer. This video is a small portion of the Configuring and Troubleshooting an SIP Trunk Tech Session. Be sure to view that video if you are interested in more information on similar topics.
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This brief video explains how to troubleshoot a Cisco Phone that does not register using the ‘shutdown’ and ‘no shutdown’ commands. This video is a small portion of the Configuring a Switch to Support Cisco Phones Tech Session. Be sure to view that video if you are interested in more information on similar topics.
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These slides were used to present the Collaboration Security Concepts Tech Session. (Click below to view/download these slides)
Collaboration Security Concepts Read More »
Collaboration security is more than toll fraud prevention. In this 1-hour webinar, Toby Sauer covers the areas of Collaboration that should be addressed to fully secure Call control, applications, gateways, and phones. The webinar focuses on the Collaboration functions and will not address network security. Click here to view/download the slides for this Tech Session.
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In Jim Goughenour’s 5th Installment of the Composite Lab Build, we start to segment our LAN architecture by adding some VLANs and some inter-VLAN routing. We also take a closer look at trunking and how we can apply control mechanisms to only allow certain VLANs passage between the switches. Previous Next
CCNA Composite Lab Build Part 5 Read More »
These slides were used to present the Configuring and Troubleshooting Dial Peers on a Voice Gateway Tech Session. (Click below to view/download these slides)
Configuring and Troubleshooting Dial Peers on a Voice Gateway Read More »
This webinar is part of the CLCOR study series. In this session, Kevin Koeper, goes over how to configure Dial Peers in a voice gateway (H.323 and CUBE). He reviews the different types of Dial Peers and how to use each type. Finally, he shows how to troubleshoot several common issues using debugs on the
Configuring and Troubleshooting Dial Peers on a Voice Gateway Read More »
This video walks you through the three versions of SNMP: SNMP v1, SNMP v2, and SNMP v3, and outlines the differences between them. This video is a small portion of the Secure Network Management: Logs and Time Tech Session. Be sure to view that video if you are interested in more information on similar topics.
This short video reviews the three planes: Management, Control, and Data, and provides examples of each. This video is a small portion of the Secure Network Management: Logs and Time Tech Session. Be sure to view that video if you are interested in more information on similar topics.
The Three Planes – Review Read More »
This brief video outlines The Pyramid of Planes consisting of (top to bottom) the Data Plane, the Control Plane, the Management Plane, and Physical Security. This video is a small portion of the Secure Network Management: Logs and Time Tech Session. Be sure to view that video if you are interested in more information on
The Pyramid of Planes Read More »