You can monitor NIOS-X servers via API. SNMP is not supported. Docs here.

When you enable HTTPS on a host via CSP, you can log in and enable SSH. It will run on port tcp-2022

putty admin@192.168.1.53 -P 2022

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|   ░░░░░░░░  ░░░░░░░░  ░░░░░░░  ░░     ░░  ░░░░░░░  ░░    ░░ ░░░░░░░░
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| WARNING:
|     Accessing this system must comply with the terms of the EULA.
|     Shell access is restricted. Written authorization is required
|     prior to connecting to shell access to using any elevated
|     privileges on this system.
|     Any attempts to reverse engineer, decompile, disassemble or
|     otherwise seek to discover any underlying source code or
|     algorithms of the Software or Product is expressly prohibited.
|     Any attempts to modify, alter or create derivative works of
|     the Software or Product is expressly prohibited.
|
End of banner message from server
admin@192.168.1.53's password:
Welcome to BloxOne v3.5 (GNU/Linux 5.4.0-128-generic x86_64)
(ib-debug-cli)$ whoami
permission denied! Restricted to execute command: whoami
NOTE: Please run 'help' to see allowed commands
(ib-debug-cli)$ help
clear          - clear the terminal screen
df             - report file system disk space usage
dig            - DNS lookup utility
du             - estimate file space usage
exit           - exit the program (console mode), switch to healthchecks (dual mode)
free           - display amount of free and used memory in the system
help           - display list of commands allowed to execute
ifconfig       - display a network interface
iostat         - report CPU statistics and input/output statistics for devices and partitions
ip             - show routing, network devices, interfaces and tunnels
nslookup       - query Internet name servers

ping           - send ICMP ECHO_REQUEST to network hosts
route          - show the IP routing table
service_config - display and transfer service config file
ss             - utility to investigate sockets
ssh            - enable or disable ssh
tcpdump        - dump traffic on a network
top            - display Linux processes
traceroute     - print the route packets trace to network host
transfer_sb    - transfer support bundle to the remote host using scp protocol
vmstat         - report virtual memory statistics

Useful commands

dig
df -h
du -h
free -h
ntpq -p (print a list of NTP peers with FQDN)
ntpq -np (print a list of NTP peers with IP)
service_config view dns
service_config view dhcp
ping -I ens192 192.168.19.1 (in this case we are sending a ping to a remote subnet from the secondary interface "LAN" instead of the main interface. This shows that routing is working for the second interface)

The following pings from the interface

ping -I ens192.19 192.168.61.1