FirstDigest » Cisco-services

Cisco: How to use kron to automate tasks

Calin — Fri, 27 Feb 2009 13:33:43 +0000

Now and then everybody in IT network industry has to stay awake over the night to accomplish some tasks that cannot be performed during the work hours because will disturb regular activity. Some of this task usually need your presence in field (virtually or in place), to assure that everything is working fine and you don’t have any unwanted surprise the next day.Skipping this tasks, there are other ones with less impact in case of a failure, which I believe you rather prefer to do [...]

Cisco: How-to get notifications for IP SLA monitor using EEM

Calin — Sat, 07 Feb 2009 22:59:39 +0000

In some previous post, I explained how to configure a basic IP SLA monitor for checking the round-trip time between two Cisco routers. Because in the comments of that post I have been asked how you can get e-mail notification for IP SLA monitor, I have decided to write another post to extend a little bit this topic.

To accomplish e-mail notification for IP SLA monitors we will use [...]

Cisco: How to configure simple IP SLA monitor

Calin — Tue, 16 Dec 2008 20:49:11 +0000

Before we begin let’s see what is this SLA term, for those of us who are not very familiar with the Service Provider terms. IP Service Level Agreements (SLAs) enable customers to assure new business-critical IP applications, as well as IP services that utilize data, voice, and video, in an IP network. With Cisco IOS IP SLAs, users can verify service guarantees, increase network reliability by validating network performance, pro actively identify network issues assure an easy way to deploy new IP services. Cisco IOS [...]

Cisco: Very simple NTP configuration

Calin — Wed, 03 Dec 2008 14:46:23 +0000

NTP (Network Time Protocol) is usually very simple to configure on Cisco devices. Of course you can reach complex configuration, but since I work in this field I didn’t saw somebody to push the things to extreme in NTP configuration.

NTP is based on server – client relation. It is recommended that in a Cisco network environment, you should use online the client part of the NTP, and to choose some external NTP sever to synchronize with. This is because using a NTP server (master) [...]