Juniper EX 3300 Incorrectly Identifies SFP+ Transceiver Module

juniperjuniper-exjuniper-junossfp

We have 2 Juniper EX 3300 switches operating in a stack. It is running Junos 12.3R3.4. The switches have 4 SFP/SFP+ Ports. On FPC 1, PIC 1, Xcvr 0 you see a description of "SFP-FC8G-SW." However, the transceiver is a Juniper branded 10GE SFP+ SR (see image below).

The interface is up/down. On the client side the physical media indicates that it is connected but there seems to be no link layer connectivity. No traffic passes on the interface.

Here is the output of "show chassis hardware" 

root@juniper> show chassis hardware 
Hardware inventory:
Item             Version  Part number  Serial number     Description
Chassis                                GA021XXXXXXX      Virtual Chassis
Routing Engine 0 REV 10   750-034247   GA021XXXXXXX      EX3300 48-Port
Routing Engine 1 REV 10   750-034247   GA021XXXXXXX      EX3300 48-Port
FPC 0            REV 10   750-034247   GA021XXXXXXX      EX3300 48-Port
  CPU                     BUILTIN      BUILTIN           FPC CPU
  PIC 0                   BUILTIN      BUILTIN           48x 10/100/1000 Base-T
  PIC 1          REV 10   750-034247   GA021XXXXXXX      4x GE/XE SFP+
    Xcvr 0                NON-JNPR     TED1728B11R       SFP+-10G-CU3M
    Xcvr 1       REV 01   740-021308   ALE0GT1           SFP+-10G-SR
    Xcvr 2       !        NON-JNPR     PRO3M110          SFP+-10G-CU1M
    Xcvr 3       !        NON-JNPR     PRO3M102          SFP+-10G-CU1M
  Power Supply 0                                         PS 100W AC
  Fan Tray                                               Fan Tray
FPC 1            REV 10   750-034247   GA021XXXXXXX      EX3300 48-Port
  CPU                     BUILTIN      BUILTIN           FPC CPU
  PIC 0                   BUILTIN      BUILTIN           48x 10/100/1000 Base-T
  PIC 1          REV 10   750-034247   GA021XXXXXXX      4x GE/XE SFP+
    Xcvr 0                NON-JNPR     PNN32WL           SFP-FC8G-SW
    Xcvr 1                NON-JNPR     TED1729BEKS       SFP+-10G-CU3M
    Xcvr 2       !        NON-JNPR     PRO3M103          SFP+-10G-CU1M
    Xcvr 3       !        NON-JNPR     PRO3M111          SFP+-10G-CU1M
  Power Supply 0                                         PS 100W AC
  Fan Tray                                               Fan Tray

SFP+ Transceiver Module

Best Answer

Quick test: Swap the SFPs with a known working ones on the switch (if possible) and see if the condition stays with the ports or follow the SFPs.

If the other SFP works in the current "problematic SFP ports" there is less possibility of this being the switch's problem (I still could be, but just unlikely).

You can try to plug it in the other switch's too... if it's problematic there, it's almost guaranteed to be the SFP, unless you got the One-In-A-Million chance of having two switches with exactly the same freaking bug - extremely unlikely

If after all that JTAC still insist for RMA on both switches, just escalate the issue to get someone more reasonable at their end.

Edit: I've just seen that it was a mislabeling issue, you might want to mark this question as answered. :)

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