Root-cause problems for SDN classes and Root-cause problems for NSX-T classes table lists the root-cause problem diagnosed and the impacted classes.

Table 1. Root-cause problems for NSX-V classes

Class

Root-cause

Events (symptoms) of root cause

Impacted class

Events

ControllerNode

Down

ControllerDown

ControlCluster

ReducedRedundancy

Down

AtRisk

APIServerDown

APIServerMightBeDown

ControlCluster

ReducedRedundancy

Down

AtRisk

EdgeGateway

Unresponsive

UnresponsiveSymptom

No impacted classes.

No events.

Hypervisor

Down

HypervisorPowerOff

VirtualMachine

MightBeUnreachable

VMLostConnection

Unreachable

IP

Unresponsive

Tunnel

Disconnected

Hypervisor

HostLostConnectionToAtLeastOneDatastore

HostLostConnection

Disconnected

MightBeDisconnected

No impacted classes.

No events.

ShutDown

HostShutdown

VirtualMachine

MightBeUnreachable

VMLostConnection

Unreachable

IP

Unresponsive

Tunnel

Disconnected

LogicalPort

Down

LinkDown

VirtualMachine

PoweredOff

GuestOSNotRunning

Unreachable

MightBeUnreachable

Disabled

AdminDown

VirtualMachine

PoweredOff

GuestOSNotRunning

Unreachable

MightBeUnreachable

LogicalRouter

Unresponsive

UnresponsiveSymptom

No impacted classes.

No events.

VirtualMachine

PoweredOff

PoweredOffE

LogicalRouter

AtRisk

Unresponsive

EdgeGateway

AtRisk

Unresponsive

Unreachable

MightBeUnreachable

No impacted classes.

No events.

Table 2. Root-cause problems for NSX-T classes

Class

Root-cause

Events (symptoms) of root cause

Impacted class

Events

Host

Down

ESX host Down hosting Edge Node

EdgeCluster

ReducedRedundancy

AllComponentsDown

AtRisk

ExternalTrafficImpaired

EdgeNode

Down

VIrtualMachine

DownOrImpaired

Hypervisor

Down

Tunnel

Down

Disconnected

TransportNode

Down

LogicalRouter

LogicalRouterDown

Host

Down

ESX host Down hosting compute VMs

VIrtualMachine

DownOrImpaired /

Hypervisor

Down

Tunnel

Down

Disconnected

TransportNode

Down

VmKernelPort

IfLostConnection

Interface

Down

ESX host Interface DOWN (Carrying Tunnel Traffic)

VirtualMachine

DownOrImpaired

Tunnel

Down/TunnelTrafficImpaired

Disconnected

TransportNode

Down

VmKernelPort

IfLostConnection/IfDown

Tenant

EastWestTrafficImpaired
Note: This event is generated only when VIO and NSX-T both discovered.

LogicalSwitch

ConnectivityImpaired

Cable

Down

Cable (Connected to Compute Hypervisor Host) carrying tunnel traffic DOWN

VirtualMachine

DownOrImpaired

Tunnel

Down/TunnelTrafficImpaired

Disconnected

TransportNode

Down

VmKernelPort

IfLostConnection/IfDown

Tenant

EastWestTrafficImpaired
Note: This event is generated only when VIO and NSX-T both discovered.

LogicalSwitch

ConnectivityImpaired

Interface

Down

ESX host hosting Edge Nodes Interface DOWN (Carrying External/Tunnel Traffic)

VirtualMachine

DownOrImpaired

Tunnel

Down

Disconnected

TransportNode

Down

VmKernelPort

IfLostConnection/IfDown

Tenant

EastWestTrafficImpaired
Note: This event is generated only when VIO and NSX-T both discovered.

LogicalSwitch

ConnectivityImpaired

EdgeNode

Down

EdgeCluster

ExternalTrafficDown/ ExternalTrafficImpaired/TunnelTrafficDown

Cable

Down

Cable(Connected to Edge HypervisorHost) carrying tunnel/External traffic DOWN

VirtualMachine

DownOrImpaired

Tunnel

Down

Disconnected

TransportNode

Down

VmKernelPort

IfLostConnection/IfDown

Tenant

EastWestTrafficImpaired
Note: This event is generated only when VIO and NSX-T both discovered.

LogicalSwitch

ConnectivityImpaired

EdgeNode

Down

EdgeCluster

ExternalTrafficDown/ ExternalTrafficImpaired/TunnelTrafficDown

Switch

Down

Switch (Directly connected to Compute Hypervisor) Down

VirtualMachine

DownOrImpaired

VmKernelPort

IfLostConnection/IfDown

Tunnel

Down

Disconnected

Tenant

EastWestTrafficImpaired
Note: This event is generated only when VIO and NSX-T both discovered.

LogicalSwitch

ConnectivityImpaired

Switch

Down

Switch (Directly connected to Edge Hypervisor) Down

VirtualMachine

DownOrImpaired

LogicalRouter

LogicalRouterDown

Host (compute VM)

Unresponsive

EdgeNode

Down

EdgeCluster

AllComponentsDown/ExternalTrafficDown/ ExternalTrafficImpaired/TunnelTrafficDown

TrunkCable

Down

Trunk cable Carrying tunnel Traffic Down

Tunnel

Down

Disconnected

LogicalSwitch

ConnectivityImpaired

Host

Down

ESX host DOWN hosting NSX-T manager

NSXManager

Unreachable

VirtualMachine

DownOrImpaired

Hypervisor

Down

VIrtualMachine

Down

VirtualMachine hosting Edge is Down

LogicalRouter

LogicalRouterDown

EdgeNode

Down

Tunnel

Disconnected, Down

VIrtualMachine

PoweredOff

VirtualMachine hosting ControllerNode is PoweredOff

ControllerNode

Down

ControllerCluster

ReducedRedundancy

AllComponentsDown

AtRisk