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Validate network connectivity

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Validate network connectivity

You confirm network connectivity between the MID Server host and the ServiceNow instance.

Before you begin

Role required: admin


  1. Use PING to test connectivity with the host on the network (ping<host IP>).
  2. If no ping response is returned, use TRACEROUTE to see where traffic might be stopped (traceroute<host>).
  3. Use TELNET to connect to any of the TCP ports (telnet<host> <port>).
  4. Use an SNMP scanning tool to determine if a potential network device is responsive.
  5. Resolve the most likely issues around network connectivity:
    • Routing: Confirm that the MID Server host has network access to the IP ranges you are attempting to discover.
    • Firewalls: Confirm access to the physical firewalls that protect a large environment such as the Data Center. Confirm access to any logical firewalls that protect an individual computer.
    • Access Control Lists (ACL): Confirm that ACLs contain the IP addresses based list on SNMP network devices that allows communication to a particular target.
    • Resolve all issues with your network teams to better understand your topology. Deploy additional MID Servers if necessary to help keep your network secure. Configure access from your existing MID Server host to networking components.