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Connecting High-Speed Stacking Cables

SecureStack C2 Installation Guide 3-11

4. Ifyouareinstallingthisswitchinastackedconfiguration,repeatthisprocedurefor

eachswitchuntilallswitcheshavebeeninstalledinthestack,thenproceedto

“ConnectingHigh‐SpeedStackingCables”onpage 3‐11.Otherwise,proceedto

“ConnectingACandRPSPower”onpage 3‐15.

Connecting High-Speed Stacking Cables

Thestackofswitchescanbeconnectedinaringordaisychaintopology.Inaring

topologyalltheswitchesareconnected.Theonlydifferenceinthecableconnectionsina

daisychaintopologyisthatonecableisnotinstalled.

Upto8switchescanbestackedtogetherand

connectedbyhigh‐speedstackingcables.

Youcanaddswitchesandreachuptoamaximumof384Ethernetportsperstack.The

high‐speedstackingcablesallowtheentirestacktooperatewithasingleIPaddress.

Figure 3‐8showsanexampleofafour‐highstackconnectedina

ringtopology.All

STACKDOWNandSTACKUPconnectorsareusedintheinstallation.Thehigh‐speed

stackingcableconnectionsarefromtheSTACKDOWNconnectorofoneswitchtothe

STACKUPconnectorofthenextswitchupinthestack.Ahigh‐speedstackingcable

connectionfromthe

STACKDOWNconnectoroftheswitchatthetopofthestacktothe

STACKUPconnectoratthebottomofthestackcompletestheringconnection.Inadaisy

chaintopology,onecableisnotused.

Note: The high-speed stacking cables are optional items and must be ordered separately.

There are two types of cables:

• C2CAB-SHORT cable (30.6 cm (12 in.) long) to connect two adjacent switches in the

stack.

• C2CAB-LONG cable (1.0 m (36.2 in.) long) to connect from the top switch to the bottom

switch in the stack. You only need one C2CAB-LONG cable per stack.

If the stack is in a configuration where the adjacent switches are too far apart for

C2CAB-SHORT cables, C2CAB-LONG cables can be used for the connections.

Enterasys SecureStack C2 C2G170-24 Hardware Installation Guide

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