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Stacking Cable / SuperStack3 3870

Hi. We have two 3Com SuperStack3 3870 Switches and we wanted to stack them together with the 3Com Stacking Cable [3C17462]. We put in the stacking cable and turned the power on. The led´s of the switches turnd on. After one or two minutes the first switch had no traffic on the ports, but the second one worked normal. The status led was yellow. I read, that the status led is yellow, when it´s one-side connected... but i have not found any explanation how to solve this problem. I hope you can help me. I would be happy, if you could write one (or more) suggestions. Thank´s and Greetings from Tyrol

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Found this on 3Com website: The SuperStack 3 Switch 3870 family (3870-24 and 3870-48) can stack up to 8 units high. Stacks can be formed with any combination of 24-port and 48-port units, with a maximum of 384 (8 x 48) front panel ports supported. When connected together, a stack of units is managed as a single entity. All units in the stack need to run the same release of the operational version code (firmware). When units are stacked together, they operate in a master-slave relationship. One unit acts as a Master and the other units act as slaves. When looking at a stack of units, the master can be identified by looking at the Stack Master LED on the left side of the switch. The Stack Master LED is green for the Master. If the unit numbers are out of sync, go to the CLI command that allows users to re-number their units- system / control / renumber. This will re-number the units in the stack. It will take about a minute or two. The master is the only unit that has a visible command line interface (CLI) when a console cable is connected to it. If you connect the console cable to a slave unit, you will not see the CLI menu, but instead see slave status messages being displayed. The Master unit may not be unit 1. http://knowledgebase.3com.com/consumer/esupport.asp?id=GUIDbfa9caa4%5F138f%5F4681%5Fbaaf%5F5c99ec5b7ff4&resource=&number=0&isExternal=0&nShowFacts=&nShowCause=&nShowChange=&nShowAddInfo=&activepage=statement.asp&bForceMatch=True&strCurrentSymptom=3C17462&searchtype=normal&searchclass=&bnewsession=false&selecttype=match

Posted on Jul 27, 2007

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