Ethernet Switches & Routers

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Community Manager
Posts: 139
Registered: ‎03-03-2014

Twitter Support Question - FCX

[ Edited ]

Question posted on Twitter:

 

Does anyone know if the CX4 (stacking) ports on @brocade FCX can be used as traditional 10G ports (with a FCX NIC or a SFP+-toCX4 cable) posted Feb 8th 2017 at 7:12 am by @acontions_net 

 

Answer from Brocade Support:

 

Our TAC Support Team believes you can use that port as a data port, but this has not been tested. By default, ports 1/2/1 and 1/2/2 on FCX-S switches are set in ‘stacking’ mode (16Gb) with a short preamble. This won’t work for data. You can switch the port to long preamble and 10Gb with the following:

 

FCX(config)#int eth 1/2/1
FCX(config-if-e10000-cx4-1/2/1)#long-preamble
FCX(config-if-e10000-cx4-1/2/1)#speed-duplex 10g-full

 

The CLI allowed the commands, so this should work for you. If it doesn’t work, we would need to test it in a lab environment and it would be best to contact TAC Support for assistance.

 

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Thank you

Jason McClellan
Community Manager
@jason_cmgr

 

New Member
Posts: 1
Registered: ‎02-09-2017

Re: Twitter Support Question - FCX

Thanks for the information. I will try those commands.

However, since I do not have a couple of FCXs (or a CX4 NIC) available for testing, I won't be able to test right now, but the config keys are still useful for me.

 

Thanks !

 

@Acontios_net (I am the author of the initial question on Twitter)

Highlighted
Community Manager
Posts: 139
Registered: ‎03-03-2014

Re: Twitter Support Question - FCX

Great to hear @Acontios.

 

Let us know if you have any questions post testing.

 

Thank you

Jason McClellan
Community Manager
@jason_cmgr

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