By: Kevin Koeper Initially, this sounds like a straight forward question with a simple answer. If users in Cisco Unified Communications Manager (CUCM) are synchronized with a Lightweight Directory Access Protocol (LDAP) server, it seems like as soon as a user is removed from LDAP that user would also be removed from CUCM. But, as […]
When are Deleted LDAP Users Removed From CUCM? Read More »
These slides were used to present the MACSec: The New VPN Tech Session. (Click below to view/download these slides)
MACSec: The New VPN Read More »
In this Tech Session, Skyline instructor Eric Smith discusses end-to-end security of data, how it needs to be secured when at rest (processed or stored in a device) and when in motion (communicated between connected devices). For data in motion, security anchored in hardware at the foundational communication layer provides that basis of trust, and
MACSec: The New VPN Read More »
In the 12th and final installment of the CCNA Composite Lab Build, Jim Goughenour takes a deeper look at device hardening. What is device hardening you might ask? Well, simply put, it is the configuration of features that prevent outside attackers from taking advantage of the known attributes in networking. Topics include phantom VLANs, Cisco
CCNA Composite Lab Build Part 12: Device Hardening Read More »
This brief video walks you through how to configure a fixed audio source in CUCM. This video is a small portion of the Everything You Always Wanted to Know About CUCM Music On Hold Tech Session. Be sure to view that video if you are interested in more information on similar topics.
Configuring a Fixed Audio Source Read More »
In this 1-hour Tech Session, Kevin Koeper goes over how to record new MoH (Music on Hold) audio files, how to upload MoH files to CUCM and how to assign different MoH audio files to different users. He also covers the differences between User Hold vs Network Hold and Unicast MoH vs Multicast MoH. Click
Everything You Always Wanted to Know About CUCM Music On Hold Read More »
These slides were used to present the Everything You Always Wanted to Know About CUCM Music On Hold Tech Session. (Click below to view/download these slides)
Everything You Always Wanted to Know About CUCM Music On Hold Read More »
Following up on his last Tech session (“Separation Anxiety – Examining Layer 2 Separation and Trustsec in Cisco Devices“), in this 1-hour session, Eric Smith provides hands-on examples of the different methods of separation in today’s networks.
Part 2: Examples of Separation Read More »
In the 11th installment of the CCNA Composite Lab Build, we turn our attention to securing the devices that provide interconnection and data path services. In this live demonstration, Jim Goughenour takes a closer look at secure shell, access control lists, local user accounts, and banners. Previous Next
CCNA Composite Lab Build Part 11: Basic Network Security Policy Construction and Testing Read More »
The majority of topics for the CCNA exam are covered in the 5-day class. There are an additional eight topics that are not covered in the class and are considered self-study topics. Skyline’s instructors put together this series of deep dive videos on these topics to help increase your chances of success.
CCNA Self-Study Topics – Learning Collection Read More »