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Adding Another Cisco Switch?

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Adding Another Cisco Switch?

Chuckybear
Hi folks, forgive me ahead of time I am not the most advance when it comes to larger networks and Cisco switches.

We have a building with a Cisco MDF 4507 and a couple IDF's with Cisco 3750's. We found a room with a patch panel and a hub attached to it basically in the ceiling. One of those lines tie back into the MDF as there are several computers we know of that are going through this rooms hub. I'd like to replace the hub with an older spare Catalyst 3500 switch. So I began to configure it, however when I plug it into the network through another switch in my office which is also a Catalyst 3500, the port go down with Errdisable. I found how to get the port back working so my questions are:

Q1: Can I add another switch to the network in this fashion?
Q2: If so are there are per-requisites that I need to configure to make it play nice on the network. For example to do I need to configure the two ports that connect each other a certain way?

Thanks in advance for your time and help!
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    HAL 9000 Moderator

    Try reposting this in the 'Q&A' forum. The 'Discussion' forum is for matters of general discussion, not specific problems in search of a solution. The 'Water Cooler' is for non-technical discussions. You can submit a question to 'Q&A' here:

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    HAL 9000 Moderator

    Try reposting this in the 'Q&A' forum. The 'Discussion' forum is for matters of general discussion, not specific problems in search of a solution. The 'Water Cooler' is for non-technical discussions. You can submit a question to 'Q&A' here:

    http://www.techrepublic.com/forum/questions/post?tag=mantle_skin;content

    There are TR members who specifically seek out problems in need of a solution. Although there is some overlap between the forums, you'll find more of those members in 'Q&A' than in 'Discussions' or 'Water Cooler'.

    Be sure to use the voting buttons to provide your feedback. Voting a '+' does not necessarily mean that a given response contained the complete solution to your problem, but that it served to guide you toward it. This is intended to serve as an aid to those who may in the future have a problem similar to yours. If they have a ready source of reference available, perhaps won't need to repeat questions previously asked and answered. If a post did contain the solution to your problem, you can also close the question by marking the helpful post as "The Answer". .