Hello r/networking long time lurker here. Feel bit ashamed that my first activity for so many years is a question instead of answer, but here we are.
I have Juniper QFX3500 device with 12.2X50-D30.4 junos installed. I also tried upgrading to 15.1R7.8, but had another issue there.
Problems according to versions:
On 12.2: qfx will see pic 2 and UNKNOWN QSFP which tells me device can configure qsfp as ethernet instead of uplink. The OS accept my command :
set chassis fpc 0 pic 2 xle port-range 0 3
which enables 40g ethernet. But the interfaces wont come up.
On 15.1: qfx will only see pic 1 and will recognize the qsfp as NON-JNPR 40G QSFP.
show chassis fpc 0 pic 1
tells me the qsfp is FTL4C1QL1C-G3.
I tested these qsfp on cisco nexus 3000 series and both qsfp s came up and traffic went through just fine.
I am thinking there might be compatibility issues, but seller assured me these were qfx3500 compatible qsfp s and that they tested on similar device and it worked for them. I might be doing something wrong.
Does 15.1 Junos need license for pic 2 to come up and see the qsfp s for ethernet configuration? Or am I doing something wrong.
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