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The ‘Cisco networking’ Archives
Posted February 3, 2009 by

Route selection by host reachability with Cisco SLA

Cisco’s SLA features, available in IOS other than IP Base, allow modification of the routing table based on a monitored item. In this example, we’ll monitor an Internet address, and change the default route if that address is unreachable.

Category Cisco router

Posted July 1, 2008 by

Cisco Unity Unified Messages Do Not Work in Blackberry or Windows Mobile

By default, Cisco Unity Unified messages don’t work in Blackberry or windows mobile devices. Here’s how to make it work.

Posted April 17, 2007 by

Callmanager Express transfer direct to Unity express voicemail

Transfer a caller on a Cisco CME (CallManager Express) to a voicemail box on a CUE (Cisco Unity Express) system.

Posted March 19, 2007 by

PPTP on Cisco ASA or PIX 6.3 or later code

In PIX 6.3 and later, support for PPTP through the PIX has been added.

Category Cisco firewall

Posted March 13, 2007 by

Cisco IOS DST Daylight Savings Time Workaround

Daylights Savings Time workaround for Cisco IOS devices. Of course, updating the IOS to a DST-corrected version will eliminate the need for this fix, but…

Category Cisco router

Posted December 17, 2006 by

Cisco HSRP (like VRRP) – Redundant gateway router configuration

You’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.

Category Cisco router

Posted December 15, 2006 by

How to (more) safely run debugs on Cisco routers

Running 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.

Category Cisco router

Posted November 17, 2006 by

Updates for IP Telephony (Cisco CallManager, CallManager Express)

A couple of new commands to make life easier with IP Telephony using Cisco CallManager and CallManager Express.

Posted November 17, 2006 by

Cisco Switch: 802.1q Trunk to Router (a.k.a. Router-on-a-Stick)

You can connect a Cisco switch and router via 802.1q trunking. This configuration is known as a router-on-a-stick.

Category Cisco switch

Posted November 6, 2006 by

Optimize Cisco CallManager by Using IP address, not Servername

In system>server, the default name for each server is its hostname. These names will be passed along to the phones, requiring a DNS lookup before a phone can contact CallManager.

Posted June 19, 2006 by

Configure a Cisco Router as an NTP Server

An NTP server can provide synchronized dates and times for devices in a network. Since a router cannot be a Stratum 1 device (cannot connect to a Stratum 0 device such as a GPS clock), a router is not an accurate source of time information. If this is not important to you, then using a […]

Category Cisco router

Posted June 19, 2006 by

Configure Cisco Router to Set Time from NTP Server

Using NTP to synchronize the date and time of multiple devices makes sense even in a small network. When performing forensic analyses or troubleshooting connection problems, having consistent logging timestamps from multiple devices can save time and simplify the task.

Category Cisco router