This Article explains the difference between two memory OID's. jnxOperatingMemoryCP OID:1.3.6.1.4.1.2636.3.1.13.1.28 and jnxOperatingMemory OID:1.3.6.1.4.1.2636.3.1.13.1.15 OID's.
Name:jnxOperatingMemoryCP-OID:1.3.6.1.4.1.2636.3.1.13.1.28 :
"jnxOperatingMemoryCP" gets the value(MB) of memory allocated to [Control plane memory].
*Get the value of the result of [show chassis routing-engine].
root@switch> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state Master
Temperature 34 degrees C / 93 degrees F
CPU temperature 34 degrees C / 93 degrees F
DRAM 3855 MB (4096 MB installed)
Memory utilization 11 percent
5 sec CPU utilization:
User 0 percent
Background 0 percent
Kernel 0 percent
Interrupt 0 percent
Idle 100 percent
1 min CPU utilization:
Idle 99 percent
5 min CPU utilization:
15 min CPU utilization:
Kernel 1 percent
Model RE-QFXXXXXXX
Serial ID BUILTIN
Start time 2023-12-24 17:23:12 IST
Uptime 4 days, 22 hours, 57 minutes, 25 seconds
Last reboot reason 0x2000:hypervisor reboot
Load averages: 1 minute 5 minute 15 minute
0.17 0.19 0.17
{master:0}
root@switch> show snmp mib walk 1.3.6.1.4.1.2636.3.1.13.1.28
jnxOperatingMemoryCP.2.1.1.0 = 0
jnxOperatingMemoryCP.2.1.2.0 = 0
jnxOperatingMemoryCP.4.1.1.0 = 0
jnxOperatingMemoryCP.4.1.2.0 = 0
jnxOperatingMemoryCP.4.1.3.0 = 0
jnxOperatingMemoryCP.4.1.4.0 = 0
jnxOperatingMemoryCP.4.1.5.0 = 0
jnxOperatingMemoryCP.7.1.0.0 = 0
jnxOperatingMemoryCP.8.1.1.0 = 0
jnxOperatingMemoryCP.9.1.0.0 = 3855
root@switch>
Name:jnxOperatingMemory-OID:1.3.6.1.4.1.2636.3.1.13.1.15:
This OID helps to find the value of physical memory.
root@switch> show chassis fpc
Temp CPU Utilization (%) CPU Utilization (%) Memory Utilization (%)
Slot State (C) Total Interrupt 1min 5min 15min DRAM (MB) Heap Buffer
0 Online 34 2 0 2 2 2 16384 28 49
1 Empty
2 Empty
3 Empty
4 Empty
5 Empty
6 Empty
7 Empty
8 Empty
9 Empty
root@switch> snow snmp mib walk 1.3.6.1.4.1.2636.3.1.13.1.15
jnxOperatingMemory.2.1.1.0 = 0
jnxOperatingMemory.2.1.2.0 = 0
jnxOperatingMemory.4.1.1.0 = 0
jnxOperatingMemory.4.1.2.0 = 0
jnxOperatingMemory.4.1.3.0 = 0
jnxOperatingMemory.4.1.4.0 = 0
jnxOperatingMemory.4.1.5.0 = 0
jnxOperatingMemory.7.1.0.0 = 16384
jnxOperatingMemory.8.1.1.0 = 0
jnxOperatingMemory.9.1.0.0 = 3855
Version: 1
SNMP MIB Explorer | Juniper Networks
https://www.juniper.net/documentation/en_US/junos/topics/reference/mibs/mib-jnx-chassis.txt