10/25 gbps connection issue

[k-staniak]

Hello,

I'm trying to connect N9K-C93180YC-FX3 to Palo Alto PA-1410. 

I have transceivers listed below:

CISCO: SFP-10/25G-CSR-S.

PA: PAN-SFP-PLUS-SR

Is there a solution to make them work? I'm trying without any results. I'm trying to establish 10 Gbps connection. I was trying to change FEC options, disable FEC, change speed, but no result.

How to make SFP-10/25G-CSR-S work with speed 10 Gbps?

Regards

[M02@rt37]

Hello @k-staniak 

SFP on Cisco side are recognized ?

Do you have errors messages in logs ?

[balaji.bandi]

PAN-SFP-PLUS-SR is 10G  that should work normally, if not you have only option to move to 10G-SR on cisco side, 

try negotiation options :

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/93x/troubleshooting/guide/b-cisco-nexus-9000-nx-os-troubleshooting-guide-93x/b-cisco-nexus-9000-nx-os-troubleshooting-guide-93x_chapter_0101.html

[Jan Rolny]

Hi k-staniak,

I think this issue happens also even if you use Cisco 10/25G - Cisco 10G device. 

What I would try is to doublecheck auto negotiation is turned off on both ends. And then of course hardcoded 10000 speed on both sides. If that will not help, you will have to use 10G only on both sides.