Archive for August, 2014

Update Cisco Switch Software

August 31st, 2014 Comments off

Sometimes it’s imperative to update the software of the networking devices. This could be due to a critical bug or general maintenance.

In any way, it is important to know the process and I’ve decided to summarize the steps for future reference.

1. Download the latest software from CISCO.COM. Please note that downloading software images requires an active CISCO account. In case you don’t have such, you will have to register for one.

Read more…

Categories: Cisco, Networking Tags:

MAC Address conversion using Excel

August 28th, 2014 Comments off

I have been working with few different hardware devices that store MAC address information in different formats.

This prevents me from quickly searching for MAC address entries through logs, configuration etc.

Here is a simple Excel formula that helps me to convert the MAC addresses from the standard colon delimited values (:), to the dot (.) delimited values used by most networking equipment such as Cisco Switches and Routers.

Read more…

Categories: VMware Tags:

Oracle DDL Generation using DBMS_METADATA.GET_DDL

August 26th, 2014 Comments off

I find it rather useful to extract and reuse DDL from existing systems.

This allows me to create objects with confidence depending on the system of extraction.

I recently had to recreate a couple of new tablespaces in line with the existing ones.

In the example below, the existing tablespace name is TAB_BIN_OBJ.

Read more…

Categories: Database, Oracle Tags: