The following is a very typical user story. A user shows up
complaining that suddenly he lost connection to a server, however nobody has
any idea what could have been the cause of it. Checking around and asking if
anybody was working on something doesn’t give any clues. Wouldn’t it be great
if you had a system that warns you when anything changed on the configuration
of a device? This is now possible with Xian NM 2012 SP1. It includes
configuration monitoring for Cisco Switches and is an easy feature to
configure.
After you discover a Cisco Switch through SNMP, you can go
to the properties of the device and click on the ‘Configuration Monitoring’
Tab. You will get a screen like the one below.
At this point you select the Telnet Protocol and fill in the
credentials Xian NM will use to obtain the configuration. After this action,
you select the schedule in which you want the configuration to be checked. Now
you can click on view configuration to see if everything is running according
to plan.
If at one moment the configuration is changed, you will
receive an alert like the one below.
Now you can opt to accept this change or to change the
configuration back to what it was before, which will resolve the alert.
You can accept this change by clicking on ‘View current
configuration’. Xian NM will now show you all the configuration changes. Click
here on ‘Accept Changes’ and a new baseline will be sent and the alert will be
resolved in Operations Manager.
If however, you will change the configuration back to the
old one, you can click on ‘Discard Changes’. This will resolve the alert and
gives you time to change the configuration. However, if you skipped this step,
the alert will be repeated the next time the configuration is checked.
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