need to change speed of port 1 on cisco 3750 switch from 1GB back to 100MG

last week it was discovered that the port our backup appliance was plugged into was set for 100MB instead of 1GB. Common sense told us to turn it up, and everything was still pinging. I just noticed though that backups are no timing quie often, even though I can still ping th device. I am not too experianced at switches and need to commands to very port 1 is indeed set for 1GB and the command to bring it back to 100MB. Once backups are stable I will start to troubleshoot the issue. I am logged in with putty but confused how to verify and change. I cannot reach my co workers. All advice welcome
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Thor2923Asked:
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Tim PhillipsConnect With a Mentor Windows Systems AdministratorCommented:
To see the set speed:
Switch-A#show interface ge1/1

To set the speed
Switch-A> enable
Switch-A# conf t
Switch-A(conf)# int ge1/1
Switch-A(conf-if)# speed 100
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Thor2923Author Commented:
THANKS! if you still watching, I have an issue with a remote cisco 2801 router. I may need to reboot. There has not been any config changes to it and I want it runnig like it did yesterday. Do I just enter "reload" I only want to reboot I do not want to loose the saved config
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Tim PhillipsWindows Systems AdministratorCommented:
Reload will reboot the router without losing changes.  Make sure that the running config is saved to NVRAM: copy run start
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