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 December 24, 2007 by

Cisco Hot Standby Router Protocol

Two routers are connected to the network and the two default gateways do not provide a completely reliable path in the event of an outage. Although the ITA has some newer IP hosts that support dynamic router discovery with the ICMP Router Discovery Protocol (IRDP), it mostly has a large class of legacy host implementations […]

Category Cisco networking

Posted June 18, 2007 by

Tutorial: Standard ACL (Access Control List) Basics

This is a BASIC explanation of Standard ACL’s that SHOULD be fairly easy to understand and span the spectrum of most Cisco routers.

Category Cisco router

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 February 9, 2007 by

Cisco PIX Logging: Debugging to Emergency

This article is an outline of how to set up logging on your PIX, viewable to a syslog or through the show log statement. This information is targeted toward the more recent versions of PIX IOS, the older versions run along the same concept but have some different commands.

Category Cisco firewall

Posted January 22, 2007 by

The dark secrets of loopback addresses

Just some info on loopback virtual interfaces and their uses.

Category Cisco networking

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.