jnxOperatingBuffer on PTX1000 reports FPC buffer utilization and RE memory utilization, as described below

root@router> show snmp mib walk jnxOperatingBuffer     

jnxOperatingBuffer.1.1.0.0 = 0

jnxOperatingBuffer.2.1.0.0 = 0

jnxOperatingBuffer.2.2.0.0 = 0

jnxOperatingBuffer.4.1.1.0 = 0

jnxOperatingBuffer.4.1.2.0 = 0

jnxOperatingBuffer.4.2.1.0 = 0

jnxOperatingBuffer.4.2.2.0 = 0

jnxOperatingBuffer.4.3.1.0 = 0

jnxOperatingBuffer.4.3.2.0 = 0

jnxOperatingBuffer.7.1.0.0 = 47 <<<<<<< FPC0 Buffer utilization

jnxOperatingBuffer.8.1.1.0 = 0

jnxOperatingBuffer.9.1.0.0 = 8 <<<<<<< RE memory utilization










root@router> show chassis routing-engine | match memory 

  Memory utilization      8 percent




root@router> show chassis fpc                

           Temp CPU Utilization (%)  CPU Utilization (%) Memory  Utilization (%)

Slot State      (C) Total Interrupt   1min  5min  15min DRAM (MB) Heap   Buffer

 0 Online      27   26     0    24   25   24  32768   37     47

None

The article explains the Buffer utilization on PTX1000