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You do this by creating VLANs which are virtual LANs and then you could decide if you routing between them. Refer Cisco documents for VLANs or better yet get an expert to do it.
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You do this by creating VLANs which are virtual LANs and then you could decide if you routing between them. Refer Cisco documents for VLANs or better yet get an expert to do it.

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So basically, we could just make a VLAN for those three ports. How do we make sure that no information travels between those ports and the other VLANS on the switch?
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So basically, we could just make a VLAN for those three ports. How do we make sure that no information travels between those ports and the other VLANS on the switch?

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How do we make sure that no information travels between those ports and the other VLANS on the switch? 
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You create ACL on interface VLAN X that drops traffic that has destination address in other vlans.
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> How do we make sure that no information travels between those ports and the other VLANS on the switch?

You create ACL on interface VLAN X that drops traffic that has destination address in other vlans.

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Simplest solution that works.
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Hello, <br />
&nbsp; &nbsp; We need to take 3 ports in our 6500 chassis Switch (SO 7) and separate them out to make them as if they were in their own completely separate switch with no traffic between those ports and the rest of the ports. How do we do that?
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Hello, 
    We need to take 3 ports in our 6500 chassis Switch (SO 7) and separate them out to make them as if they were in their own completely separate switch with no traffic between those ports and the rest of the ports. How do we do that?

How to Segment out 3 Ports on a Cisco 6500 Chasis

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.

Switches / Hubs

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

Networking hardware includes the physical devices facilitating the use of a computer network. Typically, networking hardware includes gateways, routers, network bridges, modems, wireless access points, networking cables, line drivers, switches, hubs, and repeaters. But it also includes hybrid network devices such as multilayer switches, protocol converters, bridge routers, proxy servers, firewalls, network address translators, multiplexers, network interface controllers, wireless network interface controllers, ISDN terminal adapters and other related hardware.