Test-NetConnection

Reference

Module:: NetTCPIP

Displays diagnostic information for a connection.

Syntax

Test-NetConnection
    [[-ComputerName] <String>]
    [-TraceRoute]
    [-Hops <Int32>]
    [-InformationLevel <String>]
    [<CommonParameters>]

Test-NetConnection
    [[-ComputerName] <String>]
    [-CommonTCPPort] <String>
    [-InformationLevel <String>]
    [<CommonParameters>]

Test-NetConnection
    [[-ComputerName] <String>]
    -Port <Int32>
    [-InformationLevel <String>]
    [<CommonParameters>]

Test-NetConnection
    [[-ComputerName] <String>]
    [-DiagnoseRouting]
    [-ConstrainSourceAddress <String>]
    [-ConstrainInterface <UInt32>]
    [-InformationLevel <String>]
    [<CommonParameters>]

Description

The Test-NetConnection cmdlet displays diagnostic information for a connection. It supports ping test, TCP test, route tracing, and route selection diagnostics. Depending on the input parameters, the output can include the DNS lookup results, a list of IP interfaces, IPsec rules, route/source address selection results, and/or confirmation of connection establishment.

Examples

Example 1: Test ping connectivity

PS C:\> Test-NetConnection
ComputerName           : internetbeacon.msedge.net

RemoteAddress          : 2a01:111:2003::52

InterfaceAlias         : Ethernet

SourceAddress          : 2001:4898:d8:33:81e8:7b49:8bf5:8710

PingSucceeded          : True

PingReplyDetails (RTT) : 5 ms

This command tests ping connectivity to a default server.

Example 2: Test ping connectivity with detailed results

PS C:\> Test-NetConnection -InformationLevel "Detailed"
ComputerName           : internetbeacon.msedge.net

RemoteAddress          : 2a01:111:2003::52

NameResolutionResults  : 2a01:111:2003::52

                         13.107.4.52

InterfaceAlias         : Ethernet

SourceAddress          : 2001:4898:d8:33:81e8:7b49:8bf5:8710

NetRoute (NextHop)     : fe80::200:5eff:fe00:203

PingSucceeded          : True

PingReplyDetails (RTT) : 6 ms

This command tests ping connectivity to a default server and sets the InformationLevel parameter to Detailed.

Example 3: Test TCP connectivity and display detailed results

PS C:\> Test-NetConnection -Port 80 -InformationLevel "Detailed"
ComputerName            : internetbeacon.msedge.net

RemoteAddress           : 2a01:111:2003::52

RemotePort              : 80

NameResolutionResults   : 2a01:111:2003::52

                          13.107.4.52

MatchingIPsecRules      : Ipsec/Domain-TrafficFromInternet-v6 

NetworkIsolationContext : Internet

IsAdmin                 : False

InterfaceAlias          : Ethernet

SourceAddress           : 2001:4898:d8:33:81e8:7b49:8bf5:8710

NetRoute (NextHop)      : fe80::200:5eff:fe00:203

TcpTestSucceeded        : True

This command tests TCP connectivity to a default server and sets the InformationLevel parameter to Detailed.

Example 4: Test a connection to a remote host

PS C:\> Test-NetConnection -ComputerName "www.contoso.com" -InformationLevel "Detailed"
PingReplyDetails (RTT) : 164 ms

ComputerName           : www.contoso.com

RemoteAddress          : 65.55.39.10

NameResolutionResults  : 65.55.39.10

                         64.4.6.100

InterfaceAlias         : Ethernet

SourceAddress          : 10.137.193.122

NetRoute (NextHop)     : 10.137.192.1

PingSucceeded          : True

PingReplyDetails (RTT) : 164 ms

This command tests ping connectivity to a remote host named www.contoso.com.

Example 5: Perform route diagnostics to connect to a remote host

PS C:\> Test-NetConnection -ComputerName www.contoso.com -DiagnoseRouting -InformationLevel Detailed
ComputerName : www.contoso.com

RemoteAddress : 2001:428:3805:187::2768

SelectedSourceAddress : 2001:4898:e0:79:f17c:d212:8743:43c2

OutgoingInterfaceIndex : 4

SelectedNetRoute : DestinationPrefix: ::/0 NextHop: fe80::200:5eff:fe00:202

RouteSelectionEvents : IP: Route [DestinationPrefix: ::/0 NextHop: fe80::200:5eff:fe00:202 InterfaceIndex: 4 InterfaceMetric: 10 RouteMetric: 256] is preferred over 

Route [DestinationPrefix: ::/0 NextHop: fe80::200:5eff:fe00:202 InterfaceIndex: 5 InterfaceMetric: 10 RouteMetric: 256] for
Destination: 2001:428:3805:187::2768 in Compartment: 1, Reason: RouteOrder. 

SourceAddressSelectionEvents : IP: Source address 2001:4898:e0:79:f17c:d212:8743:43c2 is preferred over fe80::f17c:d212:8743:43c2 for destination 2001:428:3805:187::2768 Rule = 2.0. 

RouteDiagnosticsSucceeded : True

This command performs route diagnostics to reach a remote host named www.contoso.com.

Example 6: Perform route diagnostics to connect to a remote host with routing constraints

PS C:\> Test-NetConnection -ComputerName "www.contoso.com" -ConstrainInterface 5 -DiagnoseRouting -InformationLevel "Detailed"
ComputerName : www.contoso.com

RemoteAddress : 2600:1409:a:185::2768

ConstrainInterfaceIndex : 5

SelectedSourceAddress : 2001:4898:e0:79:75dd:64cf:d9ff:f86

OutgoingInterfaceIndex : 5

SelectedNetRoute : DestinationPrefix: ::/0

NextHop: fe80::200:5eff:fe00:202

RouteSelectionEvents : IP: Route [DestinationPrefix: ::/0 NextHop: fe80::200:5eff:fe00:202 InterfaceIndex: 4

RouteMetric: 256] is blocked for Destination: 2600:1409:a:185::2768 ConstrainInterfaceIndex: 5 ConstrainScopeZone: 1 in Compartment: 1, Reason: InterfaceConstraint. 

SourceAddressSelectionEvents : IP: Source address 2001:4898:e0:79:75dd:64cf:d9ff:f86 is preferred over fe80::75dd:64cf:d9ff:f86 for destination 2600:1409:a:185::2768 Rule = 2.0. 

IP: Source address 2001:4898:e0:79:75dd:64cf:d9ff:f86 is preferred over fe80::75dd:64cf:d9ff:f86 for destination 2600:1409:a:185::2768 Rule = 2.0. 

RouteDiagnosticsSucceeded : True

This command performs route diagnostics to reach a remote host named www.contoso.com with routing constraints.

Parameters

-CommonTCPPort

Specifies the common service TCP port number. The acceptable values for this parameter are:

SMB
HTTP
RDP
WINRM

Type:	String
Accepted values:	HTTP, RDP, SMB, WINRM
Position:	1
Default value:	None
Required:	True
Accept pipeline input:	False
Accept wildcard characters:	False

-ComputerName

Specifies the Domain Name System (DNS) name or IP address of the target computer.

Type:	String
Aliases:	RemoteAddress, cn
Position:	0
Default value:	None
Required:	False
Accept pipeline input:	True
Accept wildcard characters:	False

-ConstrainInterface

Specifies the interface constraint to use for route diagnostics.

Type:	UInt32
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False

-ConstrainSourceAddress

Specifies the source address constraint to use for route diagnostics.

Type:	String
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False

-DiagnoseRouting

Indicates that route diagnostics runs to output the route and source address selection information for the remote host.

Type:	SwitchParameter
Position:	Named
Default value:	None
Required:	True
Accept pipeline input:	False
Accept wildcard characters:	False

-Hops

Specifies the number of hops to traverse in a trace route command.

Type:	Int32
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False

-InformationLevel

Specifies the information level. The acceptable values for this parameter are:

Detailed
Quiet

If you set this parameter to Quiet, the cmdlet returns basic information. For example, for a ping test, this cmdlet returns a Boolean value that indicates whether the attempt to ping a host or port is successful.

Type:	String
Accepted values:	Quiet, Detailed
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False

-Port

Specifies the TCP port number on the remote computer. The cmdlet uses this port number to test connectivity to the remote computer.

Type:	Int32
Aliases:	RemotePort
Position:	Named
Default value:	None
Required:	True
Accept pipeline input:	True
Accept wildcard characters:	False

-TraceRoute

Indicates that Tracert runs to test connectivity to the remote host.

Type:	SwitchParameter
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False

Inputs

None

Outputs

NetRouteDiagnostics

This object displays route diagnostics information and is returned if you specify the NetRouteDiagnostics parameter set.

NetConnectionResults

This object displays connection results and is returned if you specify the CommonTCPPort, RemotePort, or ICMP parameter set.

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