The following table lists the ports and the protocols that are used for the network communication in vRealize Network Insight.

You can also see the list of ports at https://ports.vmware.com/home/vRealize-Network-Insight.
Table 1.
Purpose From To Port Protocol
Communication between the VMs of vRealize Network Insight Collector Platform
Note: The port must be enabled for all platforms.
443 HTTPS
Services that require Internet access Platform and Collector svc.ni.vmware.com 443 HTTPS
support2.ni.vmware.com
reg.ni.vmware.com
Communication for miscellaneous services configured Platform LDAP server 389, 636 LDAP and LDAPS
SNMP server Configurable SNMP
Platform and Collector DNS server 53 UDP
Syslog server Configurable
ESXi Hosts Collector 2055
ESXi Hosts Collector 1991 TCP
Communication with AWS as a data source Collector AWS(*.amazonaws.com) 443 HTTPS
Communicate with Telemetry service Browser Telemetry URLhttps://vcsa.vmware.com 433 HTTPS
Communication with other data sources within the data center Collector Arista switches 161 and 22 SNMP and SSH
Azure 443 HTTPS
Brocade switches 161 and 22 SNMP and SSH
Check Point firewall 443 HTTPS
Cisco Nexus 161 and 22 SNMP and SSH
Cisco UCS (Unified Computing System) 161, 22, and 443 SNMP, SSH, and HTTPS
Cisco Catalyst switches 161 and 22 SNMP and SSH
Cisco ACI Switches 161 SNMP
Cisco APIC Controller 161 and 443 HTTPS and SNMP
Dell switches 161 and 22 SNMP and SSH
Dell OS10 50000 TCP
VeloCloud 443, 2055 HTTPS
HP 22 SSH
Juniper Switches 161 and 22 SNMP and SSH
Palo Alto Networks 443 HTTPS
VMware vSphere 443 HTTPS
VMware NSX - V (All Component) 22 and 443 SSH and HTTPS
NSX-T Manager 443 TCP
VMware PKS API Server 8443 and 9021 TCP
Kubernetes API Server 8443 TCP
vRealize Log Insight 443 HTTPS
Fortinet FortiManager 443 HTTPS