How to connect my my Cisco 2950 switch, to my wireless router.

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Arastoru

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Sep 2, 2015
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Hello everyone, I have a question about how to connect some devices in my Lan any help would be really appreciated.

I have a wireless router (zoom, I think is the name) that I bought for my internet access, and my ISP is comcast. Everything works just fine, all my devices are connected to the router wiressly, but I'm going for my ccna and I'm trying to play with Lans and all that to apply my knowledge. What I'm trying to do is to drop a Cisco 2950 switch in between my router and my devices, meaning; I will connect all my devices to the switch through Ethernet, and then pull a jumper from one of the Ethernet ports on the back of the router to one of the ports on the switch, so they can have Internet access. But nothing happens, the link port light on the router stays orange, which means no traffic is going through. Is this doable? Like I said, any help would be appreciated.
 
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bill001g

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Aug 9, 2012
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It is that simple and should work. Since you are studying for your CCNA I will just give you the general things to check and let you look them up since it you eventually will need to know anyway. I would first check the port status and make sure you do not have err-disable for some reason. If the port is in down/down condition I would then look at MDIX settings and issues if one device has it and the other does not.
 
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Arastoru

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Sep 2, 2015
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Honestly, I'm at work right now, so I won't be able to check anything u til I get home. But one thing I know and is that: I'm using FE0/1 and the port is administratively up and line protocol up. I assigned a random IP address to the port, could that get in conflict with anything on the router? Also, it has to be some configuration on the switch because I plug my lapton to the ports in the router and they get internet right away. What do you think?
 
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jsmithepa

jsmithepa

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Jun 14, 2014
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You are really asking us how to configure the 2950.

I don't remember, it's been a while, but "assigning a random IP" just feels wrong to me. This is a managed switch, is not a Best Buys's plug&play, consult your Cisco documentation how to do this.
 
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bill001g

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Aug 9, 2012
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Gee you are lazy it appears you will never get the ccna. You are plugging switch to switch at 100m. MDIX is only required on gig ports and even then many cisco switches disable it by default. This means you need a crossover cable if you can not enable the support
 
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Arastoru

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Sep 2, 2015
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Arastoru

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Sep 2, 2015
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I really appreciate everyone's help, but I don't think that anyone is in the position to tell someone what this person can accomplish or not. That being said, I don't even know what MDIX is because I haven't get to that part in my curriculum, and I already tried a straight-through and a crossover cable that I made myself and tested.
 
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bill001g

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Aug 9, 2012
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You are the one that made a point of saying you were studying for ccna. It does no good for someone to feed you stuff if you really want to learn these things. These boxes are extremely complex with all the option they have and you can really only learn them by using them.

Cisco commercial stuff is one of the most well documented things you can find.

If you are really sure you have the cable correct then you have another issue. If you have a amber light it means the port know something is connected but there is some kinda of error. There are a bunch of things that can cause it that are all complex to explain...again it is on the cisco site.
Most times it is spanning tree but with only 1 cable it can't be the problem.

I would wipe the switch back to default and no shut the port it should then work as a simple switch.
 
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