Description

Abnormal shutdown and low memory condition will be observed if a vSRX with 32 VCPU and 64G RAM in Azure Nexus Operator.


Note AON uses mlx5 NICs.


Below low memory condition log messages will be observed,

Mar  3 20:31:28  vnfgdsupenprdrdmwa65rtrvm01 eventd[9078]: could not bind to address 32.123.251.13 Can't assign requested address
Mar  3 20:31:28  vnfgdsupenprdrdmwa65rtrvm01 eventd[9078]: Trying bind to default address
Mar  3 20:31:31  vnfgdsupenprdrdmwa65rtrvm01 jsysmond[9928]: JSYSMOND_LOW_MEM_MINOR_EVENT: System under low memory condition

Mar  3 20:37:52  vnfgdsupenprdrdmwa65rtrvm01 jsysmond[9928]: JSYSMOND_LOW_MEM_MINOR_EVENT: System under low memory condition
Mar  3 20:53:51  vnfgdsupenprdrdmwa65rtrvm01 eventd: sendto: Can't assign requested address
Mar  3 20:53:51  vnfgdsupenprdrdmwa65rtrvm01 eventd[9077]: SYSTEM_ABNORMAL_SHUTDOWN: System abnormally shut down
Mar  3 20:53:51  vnfgdsupenprdrdmwa65rtrvm01 eventd[9077]: SYSTEM_OPERATIONAL: System is operational


High memory utilization will be observed.

root@vnfgdsupenprdrdmwa65rtrvm01> show chassis routing-engine no-forwarding
 
Routing Engine status:
    Total memory              65468 MB Max  52374 MB used ( 80 percent)
Control plane memory    7100 MB Max  6177 MB used ( 87 percent)
      Data plane memory       58368 MB Max  46111 MB used ( 79 percent)
    5 sec CPU utilization:


Symptoms

Abnormal shutdown

Solution

We currently support only the below listed vSRX Virtual Firewall 3.0 instances for Azure AAN.
 
Size	              vCPU Memory (GiB)	MAX NICs
Standard_D8ds_v4	8	32	4
Standard_D16ds_v4	16	64	8
Standard_D32ds_v4	32	128	8


Modification History

2026-03-12 : Article Created