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Daisy Chain multiple Cisco SGE2010 switches

Posted on 2011-09-14
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Last Modified: 2012-05-12
I have two Cisco SGE2010 Switches I would like to Daisy chain to make it 96 ports, minus 2 for the chain would leave me 94 useable ports.  There are four GBIC ports, but I don't have any GBIC modules.  Can I still chain the two switches using cat5 or am I stuck using the GBIC port 48 on each to accomplish this.
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Question by:Palaceit
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Expert Comment

by:Garry Glendown
ID: 36535742
Cascading the two switches with either copper or fiber should not make any difference ... not exactly sure about the features of that model, but if available you may also want to think about combining more ports to an Etherchannel to increase the switch interconnect bandwidth.
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Author Comment

by:Palaceit
ID: 36535806
For some reason these models are VERY particular on the daisy chaining as opposed to other Cisco models.  I have tried to chain via Copper on port 1 and port 48 with no luck.  The GBIC modules have been ordered so I'll wait until they are installed to answer which method worked.
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Accepted Solution

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Garry Glendown earned 250 total points
ID: 36535960
The last 4 copper ports are shared with the SFP ports, so technically there ought not be any difference between using either Cat5e/6 or fiber to connect the two.
According to the information I was able to find, ports 24, 48 and GBIC 3 & 4 are the ports that can be used to use stacking on those switches. Check the config to see whether stacking is enabled (Page "System Information", Option "Switch Operation Mode After Reset"), and make sure you stick to those ports for stacking.

Alternatively you could disable stacking and e.g. configure Link Aggregation, combining two ports for additional bandwidth. That should then also work with any switch port.
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LVL 18

Expert Comment

by:Garry Glendown
ID: 36535967
Please note, with stacking mode enabled, the four ports (well, two as they're mutually exclusive) can not be used for regular switch ports anymore ...
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Author Closing Comment

by:Palaceit
ID: 36535970
Thank you, I wasn't able to find that information you provided.  Very much appreciated.
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