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Not free, but <a href="https://www.paessler.com/prtg" rel="ugc">PRTG</a> is free for up 100 sensors and easy to setup, so maybe that could do it easily (switch number dependent).<br />
<br />
You have more <a href="https://www.experts-exchange.com/questions/28743147/network-monitoring-software.html" rel="ugc">here</a> and <a href="https://www.experts-exchange.com/questions/28870539/network-bandwidth-monitor-for-small-enterprise.html" rel="ugc">here</a>
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Depending on which Cisco switch you have there may be a Cisco network Assistant app available.<br />
It will provide a lot of information
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Hi Ross,<br />
<br />
I would recommend you to use Cacti.<br />
It is an amazing tool.
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Any good free software tools that i can point at our internal switches to get the CPU load and memory usage.<br />
<br />
BEst Regards,<br />
<br />
Ross
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Any good free software tools that i can point at our internal switches to get the CPU load and memory usage.

BEst Regards,

Ross

Cisco switch

Cisco PIX is a dedicated hardware firewall appliance; the Cisco Adaptive Security Appliance (ASA) is a firewall and anti-malware security appliance that provides unified threat management and protection the PIX does not. Other Cisco devices and systems include routers, switches, storage networking, wireless and the software and hardware for PIX Firewall Manager (PFM), PIX Device Manager (PDM) and Adaptive Security Device Manager (ASDM).

Cisco

A switch is a device that filters and forwards packets of data between LAN segments. Switches operate at the data link layer or the network layer of the Open Systems Interconnection (OSI) Reference Model and therefore support any packet protocol. LANs that use switches to join segments are called switched LANs or, in the case of Ethernet networks, switched Ethernet LANs. A hub is a connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports; when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.