Cisco networking tutorials
Cisco HSRP (like VRRP) – Redundant gateway router configuration
contributed by Al Banks on December 17, 2006 under Cisco routerYou’ve got two Cisco routers, and two links to a remote site. How do you make your hosts use the backup when needed? One method is HSRP.
How to (more) safely run debugs on Cisco routers
contributed by Al Banks on December 15, 2006 under Cisco routerRunning debug commands can bring a busy router to a crawl. Not sending the output to the console can help. This tech-recipe describes turning off console debugging output and techniques for viewing debug information in a router-friendly way.
Updates for IP Telephony (Cisco CallManager, CallManager Express)
contributed by Al Banks on November 17, 2006 under Cisco call managerA couple of new commands to make life easier with IP Telephony using Cisco CallManager and CallManager Express.
Cisco switch: 802.1q trunk to router, aka router-on-a-stick
contributed by Al Banks on under Cisco switchConnect a Cisco switch and router via 802.1q trunking. This configuration is known as a router-on-a-stick.
Optimize Cisco CallManager – Use IP address, not servername
contributed by Al Banks on November 6, 2006 under Cisco call managerIn system>server, the default name for each server is it’s hostname. These names will be passed along to the phones, requiring a DNS lookup before a phone can contact CallManager.
Configuring DHCP to work with Cisco Manager
contributed by kel on November 3, 2006 under Cisco call managerThis Tech-Recipe describes using an external DHCP server, in this case from a Windows Server 2000 or 2003 system, with Cisco Call Manager (CCM). When introducing CCM into environments with an exsiting DHCP infrastructure, problems may occur because Cisco IP phones require additional information from the DHCP server when they startup. Following the steps in this Tech-Recipe will allow the use of a non-CCM DHCP server.
Cisco: Making long commands short with aliases
contributed by AWfki on October 11, 2006 under Cisco networkingHow to configure aliases for frequently used commands.
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