[j-nsp] QSFP+ to SFP+ adapters

[Jackson, William]

Yes 

We have used the ones from flexoptix

They tend to work correctly, but like you mentioned you lose the DOM and also the optic partcode may not display correctly on a show chassis hardware.

Apart from that work quite well.

Note:  don't bother trying to use these for a fusion setup on the satellite side as it doesn't work.
They can work on the AD device with a native 10GE port on the satellite, but using them on the satellite in a 40/100GE port  as a 10GE uplink, is a no go.

will



-----Original Message-----
From: juniper-nsp <juniper-nsp-bounces at puck.nether.net> On Behalf Of Chuck Anderson
Sent: 16 March 2020 21:06
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] QSFP+ to SFP+ adapters

Has anyone tried using QSFP+ to SFP+ adapters such as this one?  What software versions have you tried?

https://www.fs.com/products/72587.html

I'm testing these on QFX10002-36Q with 17.3R3-S7.2 and SFP+ 10G-LR modules.  The links come up and pass LLDP and IP traffic, but DOM doesn't work:

{master:0}
root at spine-1> show interfaces diagnostics optics xe-0/0/30:0 Physical interface: xe-0/0/30:0
    Optical diagnostics                       :  N/A

{master:0}
root at spine-1> show interfaces diagnostics optics xe-0/0/31:0 Physical interface: xe-0/0/31:0
    Optical diagnostics                       :  N/A

{master:0}
root at spine-1> show chassis hardware
Hardware inventory:
Item             Version  Part number  Serial number     Description
  PIC 0                   BUILTIN      BUILTIN           36X40G
    Xcvr 30               NON-JNPR                       UNKNOWN
    Xcvr 31               NON-JNPR                       UNKNOWN


root at spine-1> show chassis pic fpc-slot 0 pic-slot 0 
FPC slot 0, PIC slot 0 information:
  Type                             36X40G
  State                            Online    
  PIC version                 2.47
  Uptime                         26 days, 40 minutes, 44 seconds

PIC port information:
                         Fiber                    Xcvr vendor       Wave-    Xcvr
  Port Cable type        type  Xcvr vendor        part number       length   Firmware
  30   unknown cable     n/a                                        n/a      0.0   
  31   unknown cable     n/a                                        n/a      0.0   


{master:0}
root at spine-1> show interfaces terse xe-*                        
Interface               Admin Link Proto    Local                 Remote
xe-0/0/30:0             up    up
xe-0/0/30:0.0           up    up   inet     10.0.0.1/30     
xe-0/0/30:1             up    down
xe-0/0/30:2             up    down
xe-0/0/30:3             up    down
xe-0/0/31:0             up    up
xe-0/0/31:0.0           up    up   inet     10.0.0.5/30     
xe-0/0/31:1             up    down
xe-0/0/31:2             up    down
xe-0/0/31:3             up    down
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