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Beginner

Ports in 2 switch 2960x stack are showing down

Some ports in a 2 switch 2960x stack are showing down. The stack is cabled as the pic below. Any idea why the ports are showing down? The IOS versions are the same.

 

Switch#sh sw de
Switch/Stack Mac Address : 70d3.79b2.1780
H/W Current
Switch# Role Mac Address Priority Version State
----------------------------------------------------------
*1 Master 70d3.79b2.1780 15 4 Ready
2 Member cc8e.719d.fa00 1 4 Ready

 

Stack Port Status Neighbors
Switch# Port 1 Port 2 Port 1 Port 2
--------------------------------------------------------
1 Ok Down 2 None
2 Down Ok None 1

Switch#

 

 

##sh switch neighbor
Switch # Port 1 Port 2
-------- ------ ------
1 2 None
2 None 1

Switch#

 

 

Cisco 2960-X Stack Cables

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2 ACCEPTED SOLUTIONS

Accepted Solutions
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VIP Mentor

Re: Ports in 2 switch 2960x stack are showing down

Hello

Most probably faulty stack cable or it isnt attached correctly, Remove it and reset the cable, also make sure the stack port is actually enabled.

switch x stack port x enable 



kind regards
Paul

Please rate and mark posts accordingly if you have found any of the information provided useful.
It will hopefully assist others with similar issues in the future

View solution in original post

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Hall of Fame Community Legend

Re: Ports in 2 switch 2960x stack are showing down

Stacking cable could be faulty.

View solution in original post

6 REPLIES 6
Highlighted
VIP Mentor

Re: Ports in 2 switch 2960x stack are showing down

Hello

Most probably faulty stack cable or it isnt attached correctly, Remove it and reset the cable, also make sure the stack port is actually enabled.

switch x stack port x enable 



kind regards
Paul

Please rate and mark posts accordingly if you have found any of the information provided useful.
It will hopefully assist others with similar issues in the future

View solution in original post

Highlighted
Beginner

Re: Ports in 2 switch 2960x stack are showing down

ll check the cables tomorrow but what is the command exactly? Tried the following to no avail.

 

Switch(config)#stack ?
% Ambiguous command: "stack "
Switch(config)#switch stack ?
port-speed Change switch stack port speed

Switch(config)#switch stack po
Switch(config)#switch stack port-speed ?
10 Change stack speed to 10G

switch(config)#switch stack port-speed 10 ?
<cr>

Switch(config)#stack ?
% Ambiguous command: "stack "
Switch(config)#switch stack ?
port-speed Change switch stack port speed

switch(config)#switch stack

Highlighted
Hall of Fame Community Legend

Re: Ports in 2 switch 2960x stack are showing down

Stacking cable could be faulty.

View solution in original post

Highlighted
VIP Mentor

Re: Ports in 2 switch 2960x stack are showing down

Switch x stack port x enable



kind regards
Paul

Please rate and mark posts accordingly if you have found any of the information provided useful.
It will hopefully assist others with similar issues in the future
Highlighted
Beginner

Re: Ports in 2 switch 2960x stack are showing down

WE verified, stacking cables were not seated properly. Thanks!

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Hall of Fame Community Legend

Re: Ports in 2 switch 2960x stack are showing down

Thanks for providing us with the update and follow-up.
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