The port is not allowed to enable to stack port in S5700Li

Publication Date:  2014-09-12 Views:  1197 Downloads:  0
Issue Description
i have two S5700Li switches and i want to do the stack

[ACC-SW-1]stack port interface Gigabit Ethernet 0/0/49 enable
Warning: Enabling stack port may cause configuration loss on the interface, continue?[Y/N]Y

Error:The port is not allowed to enable to stack port.
[ACC-SW-1]

this is the issue
how should i resolve it
Alarm Information
Error:The port is not allowed to enable to stack port. 
Handling Process
Reconnect the stack cables correctly

Kindly note that

PCI-E cables are used for stacking switches using stack cards.
SFP+ cables are used for stacking switches using service ports
Root Cause
After I checked I found this error.

<ACC-SW-1> display stack-port membership
stack-port0/1 has 0 ports
---------------------------------------------
stack-port0/2 has 0 ports

This mean the stack cables are incorrectly connected.
Suggestions
No

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