Understanding SolarWinds NPM, NCM, and NTM: Key Differences

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SolarWinds offers three powerful network management tools—NPM (Network Performance Monitor), NCM (Network Configuration Manager), and NTM (Network Topology Mapper)—each serving distinct purposes in enterprise IT infrastructure.

1. SolarWinds NPM (Network Performance Monitor)

Purpose: Monitors real-time network performance, health, and availability.

Key Features:

  • Bandwidth usage tracking
  • Device uptime/downtime monitoring
  • Latency and packet loss analysis
  • SNMP-based network discovery
  • Automated alerts for outages

You Should Know:

To check network performance manually in Linux, use:

ping google.com -c 4  Check latency 
traceroute google.com  Trace network path 
iftop -i eth0  Monitor bandwidth in real-time 
netstat -s  Display network statistics

For Windows:

Test-NetConnection google.com  PowerShell network test 
Get-NetTCPConnection -State Established  View active connections

2. SolarWinds NCM (Network Configuration Manager)

Purpose: Automates network device configuration backups, compliance, and change management.

Key Features:

  • Automated config backups (Cisco, Juniper, etc.)
  • Change tracking & compliance audits (PCI, HIPAA)
  • Firmware vulnerability reports
  • Rollback to previous configurations

You Should Know:

Manually backing up Cisco configs:

 Via SSH (Linux) 
ssh admin@router "show running-config" > backup_config.txt

Windows (PuTTY):

plink.exe -ssh admin@router -pw password "show running-config" > backup.txt

Automate backups with cron (Linux):

0 2    ssh admin@router "show running-config" > /backups/config_$(date +\%F).txt

3. SolarWinds NTM (Network Topology Mapper)

Purpose: Auto-discovers and maps network topology for documentation.

Key Features:

  • Layer 2/Layer 3 discovery
  • Exportable diagrams (Visio, PDF)
  • Real-time topology updates

You Should Know:

Linux commands for network mapping:

nmap -sn 192.168.1.0/24  Discover live hosts 
arp -a  List connected devices 
tcpdump -i eth0 -n  Capture live traffic

Windows alternatives:

arp -a  View ARP table 
tracert 192.168.1.1  Trace route

What Undercode Say

SolarWinds NPM, NCM, and NTM streamline enterprise network management, but manual Linux/Windows commands remain essential for verification. For deeper analysis:
– Use Wireshark (tshark -i eth0) for packet inspection.
– SNMPwalk (snmpwalk -v2c -c public 192.168.1.1) for device queries.
– Automate config backups with Ansible: 

- hosts: routers 
tasks: 
- name: Backup config 
command: "ssh admin@{{ inventory_hostname }} 'show running-config'" 
register: config 
- copy: content="{{ config.stdout }}" dest="/backups/{{ inventory_hostname }}.cfg"

Expected Output:

A well-documented, automated, and compliant network infrastructure with real-time monitoring, backup assurance, and clear topology visualization.

Prediction:

As networks grow more complex, AI-driven network automation (like SolarWinds integrations with AIOps) will dominate, reducing manual interventions while increasing security risks from misconfigurations.

References:

Reported By: Ahmed Bawkar – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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