HomeLab: Upgrading Cisco IOS Via tftp on RHEL

0012fbf7_mediumSo I was planning on blogging about this process simply because I keep forgetting it. Being that I am in the middle of building out my lab, and have a ton of old cisco hardware with ancient images, I have found myself going through the process of updating firmware quite a bit as I tinker with different IOS images.

The first thing that you are going to need is a tftp server, which I am running on my Fedora 18 desktop. Its a very easy setup, and has been simply documented on the link below. Note the article below is specfically about how to setup a tftp server on RHEL, however the process is pretty much the same.

How to Install a tftp Server on RHEL

Now if you are looking to setup a tftp server on Windows, well I cannot help you there. If I recall you just download and install a server app, and away you go.

Below is another link that I have found that also does a fine job of explaining the Cisco side of the process simply, without getting too technical and long winded.

How to Upgrade Cisco IOS Images

 

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HomeLab: Configuring the NTP Client on a Cisco Catalyst Switches
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Cisco IOS: Basic Configuration of a Switch.
Cisco IOS : How to configure passwords.

HomeLab: The Cisco 3560G

WS-C3560G-24TSThe Cisco Catalyst 3506G is a layer 3 switch which went end-of-life in 2009. For the home lab its a pretty nice switch to have due to its layer 3 support and gigabit speed. Mine is the model seen to the left, 24 gigabit ports and 4x1gb SFP uplinks.

 

The Cisco Catalyst 3560 is available with one of two software images:

  • IP Base software includes advanced quality of service (QoS),
    rate limiting, access control lists (ACLs), Open Shortest Path First
    (OSPF) for routed access, and IPv6 functionality.
  • IP Services software provides a broader set of
    enterprise-class features, including advanced hardware-based IP Unicast
    and IP Multicast routing, as well as policy-based routing (PBR).

Anyway, gathered here are a few manadatory resources for the Cisco Catalyst 3560G.

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