Wireless Access

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kmd
Contributor I

Unplugging Stacking Member

Hi.

I have a S2500 that also acts as our Primary Router and another S2500 that will be uplinked to the Router soon, in the same closet, though just as a standard switch.

I just received some fiber to run as our backbone, so I plugged a SFP into a SFP port on the router and also on the second S2500, so they could then communicate. I wanted to test to see if I had to configure anything to get the fiber to work, once I ran it.

I searched in vain for data on how to connect a fiber backbone, but all I could find was stuff on stacking, so I assume Aruba uses stacking when connecting a fiber backbone?

Anyway, the problem is when I unplugged the SFP from the main router all ports on the router went black and the network was dead, though the router was still running.

I plugged the SFP and fiber back in to the original ports and the router ports lit up and all is well.

Problem is, I don't want the second S2500 to be connected to the router via that fiber.

My main question is; How can I undo what I did?

And, not as important, how do I uplink my two closets via fiber? Is it through stacking?

Thank you!

Re: Unplugging Stacking Member

What physical interfaces did you use to connect the fiber?

Seth R. Fiermonti
Consulting Systems Engineer - ACCX, ACDX, ACMX
Email: seth@hpe.com
-----
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kmd
Contributor I

Re: Unplugging Stacking Member

Hi Thanks for the response
Here is what I have:

Also, I just disabled the split detection via the GUI. Hopefully, that
prevents the router from going dark on secondary shutdown.

Aruba-DataCenter-1) #show stacking interface



stack1/2

--------

stack1/2 is administratively Enabled, link is Up, line protocol is Up

Speed: 10 Gbps, MTU: 9224 bytes, Link flaps: 3

Last update of counters: 0d 00:00:07 ago

Last clearing of counters: 0d 02:04:03 ago

Link status last changed: 0d 00:12:35 ago

Statistics:

Received 498665 frames, 129681275 octets

12 pps, 15.292 Kbps

184113 broadcasts, 0 runts, 0 giants, 0 throttles

0 error octets, 0 CRC frames

64999 multicast, 249553 unicast

Transmitted 2149639 frames, 784909578 octets

29 pps, 34.388 Kbps

543320 broadcasts, 0 throttles

69000 multicast, 1537319 unicast

0 errors octets, 0 deferred

0 collisions, 0 late collisions



stack1/3

--------

stack1/3 is administratively Enabled, link is Down, line protocol is Down

Speed: N/A, MTU: 9224 bytes, Link flaps: 0

Last update of counters: 0d 00:00:00 ago

Last clearing of counters: 0d 00:00:00 ago

Link status last changed: 0d 00:00:00 ago

Statistics:

Received 0 frames, 0 octets

0 pps, 0 bps

0 broadcasts, 0 runts, 0 giants, 0 throttles

0 error octets, 0 CRC frames

0 multicast, 0 unicast

Transmitted 0 frames, 0 octets

0 pps, 0 bps

0 broadcasts, 0 throttles

0 multicast, 0 unicast

0 errors octets, 0 deferred

0 collisions, 0 late collisions


Re: Unplugging Stacking Member

OK...so if port 1/3 is in use and active, that is acting as a stacking port on the Aruba switch.  Is port 0 or 1 avaialble?  If so, you can just use those as a normal switch interconnect/uplink like any other port on the switch.

 

 

Seth R. Fiermonti
Consulting Systems Engineer - ACCX, ACDX, ACMX
Email: seth@hpe.com
-----
If you found my post helpful, please give kudos
kmd
Contributor I

Re: Unplugging Stacking Member

OK. Good.
But, how do I remove these two switches from being stack members?
My Router is reading as Secondary when I plug in the other S2500, but it
then says Primary when I unplug the other switch. Wow, I dug myself in this
time.lol

Thanks for your help Seth!




Re: Unplugging Stacking Member

OK...on the second unit, issue this command after it's been removed from the stack...

 

restore factory-default stacking

Seth R. Fiermonti
Consulting Systems Engineer - ACCX, ACDX, ACMX
Email: seth@hpe.com
-----
If you found my post helpful, please give kudos

Re: Unplugging Stacking Member

You can also do this to use ports 1/2 and 1/3 as regular uplinks...this will remove them from being "stack" ports..

 

delete stacking interface stack 1/2

Seth R. Fiermonti
Consulting Systems Engineer - ACCX, ACDX, ACMX
Email: seth@hpe.com
-----
If you found my post helpful, please give kudos
kmd
Contributor I

Re: Unplugging Stacking Member

Thank you. I will issue that command to gladly get rid of them. But, how do
I remove the switch from the stack? I deleted it from via the GUI, under
configuration, stacking, but I can only communicate with it via the
routers' IP.
Sorry about this.


Re: Unplugging Stacking Member

No worries but I'd call into support and have them help you walk through this just so you gracefully exist this config with no unknown artifacts 

Seth R. Fiermonti
Consulting Systems Engineer - ACCX, ACDX, ACMX
Email: seth@hpe.com
-----
If you found my post helpful, please give kudos
kmd
Contributor I

Re: Unplugging Stacking Member

Thank you very much for your help. I will call them.

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