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I forgot that the root bridge priority must be a multiple of 4096. So ...<br />
<br />
Console(config)# spanning-tree priority 4096
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I forgot that the root bridge priority must be a multiple of 4096. So ...

Console(config)# spanning-tree priority 4096

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Best practice is to make your &quot;best&quot; switch the root. &nbsp;By best switch - this would be the one with the redundant power, cooling, fail over, secure, new, latest code, etc.<br />
<br />
If they're all about the same - as far as one power, same location, etc. then I would go with the lowest MAC address of the class of more powerful switches.
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Best practice is to make your "best" switch the root.  By best switch - this would be the one with the redundant power, cooling, fail over, secure, new, latest code, etc.

If they're all about the same - as far as one power, same location, etc. then I would go with the lowest MAC address of the class of more powerful switches.

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Hi,<br />
<br />
I would have thought the best switch to be the root bridge would be the one most central to the network. &nbsp;If you &quot;best&quot; switch was placed on the edge of your LAN it would prove inefficient.<br />
<br />
Alex
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Hi,

I would have thought the best switch to be the root bridge would be the one most central to the network.  If you "best" switch was placed on the edge of your LAN it would prove inefficient.

Alex

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I have 2 stacked 3750s as the core and downstream I have 6 2950. I have noticed one of the 2950s is the root. My question is if making the 3750 stack the root will make the network performace better? and how could i change the 3750 to be the root?
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I have 2 stacked 3750s as the core and downstream I have 6 2950. I have noticed one of the 2950s is the root. My question is if making the 3750 stack the root will make the network performace better? and how could i change the 3750 to be the root?

How to change a root bridge

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

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 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.