Introducing The Cisco Technical Support Mobile App (Apple iOS, Android Smartphones). Open, Monitor & Manage TAC Cases, RMAs, Products, Podcasts & More!

Firewall.cx takes an in-depth look at Cisco's popular Technical Support Mobile App. Key Topics include: Open, Monitor & Manage TAC Support cases, issue RMAs,obtain Cisco product information,free podcasts, videos and much more. Our 27 screenshots and detailed review ensures full coverage of this great app!

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-services-tech/971-cisco-tech-support-app.html

How to Restrict Cisco IOS Router VPN Client to Layer-4 (TCP, UDP) Services - Applying IP, TCP & UDP Access Lists

Configure and setup your Cisco VPN router to restrict IPSec VPN clients to specific IP addresses, networks, TCP or UDP ports & network services. Learn how to overcome Cisco IOS VPN group access list limitations (TCP/UDP Services) while giving you maximum control, flexibility and granularity over your Cisco IPSec VPN clients and groups.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/941-cisco-router-vpn-client-acl.html

Media Access Control - MAC Addresses

This article explains the usage of MAC Addresses in the network. We also analyse how MAC addresses are created, how they are used and cover the functions they serve.

http://www.firewall.cx/networking-topics/general-networking/105-mac-addresses.html