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Cisco 2950 Switch configuration

Posted on 2006-07-10
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Can two ports on a 2950 be configured to be uplinks to a another 2950 to provide redundancy and performance gains, or would it be preferable to install gbic modules and run fiber? Distance is about 200'.
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Question by:comtekso
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Don Johnston earned 500 total points
ID: 17076707
Yes.

However, by default, the Spanning Tree protocol will block any redundant paths leaving only one to forward frames.

You can use EtherChannel to utilize all links between switches.

http://www.cisco.com/en/US/tech/tk389/tk213/technologies_white_paper09186a0080092944.shtml



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by:comtekso
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Is EtherChannel a seperate product or is it already incorporated into the switch?
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by:Don Johnston
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It's already incorporated in the switch.
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by:comtekso
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Thanks.
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by:Don Johnston
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Yer welcome.

To enable it,

int range f0/1 - x  ;(you can group 2, 4 or 8 ports although I can't remember if the 2950's support 8)
channel-group 1 mode desirable

Just make sure that all port are configured the same (VLAN, trunking, speed, duplex... everything).

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