PowerShell/docs/list-network-neighbors.md
2024-11-20 11:52:20 +01:00

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The *list-network-neighbors.ps1* Script
===========================
This PowerShell script lists all network neighbors of the local computer (using the ARP cache).
Parameters
----------
```powershell
/home/markus/Repos/PowerShell/scripts/list-network-neighbors.ps1 [<CommonParameters>]
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
Example
-------
```powershell
PS> ./list-network-neighbors.ps1
IPAddress InterfaceAlias LinkLayerAddress State
--------- -------------- ---------------- -----
192.168.178.43 Ethernet 2C-F0-5D-E7-8E-EE Reachable
...
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.SYNOPSIS
Lists the (cached) network neighbors
.DESCRIPTION
This PowerShell script lists all network neighbors of the local computer (using the ARP cache).
.EXAMPLE
PS> ./list-network-neighbors.ps1
IPAddress InterfaceAlias LinkLayerAddress State
--------- -------------- ---------------- -----
192.168.178.43 Ethernet 2C-F0-5D-E7-8E-EE Reachable
...
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
try {
if ($IsLinux) {
& ip neigh | grep REACHABLE
} elseif ($IsMacOS) {
& ip neigh | grep REACHABLE
} else {
Get-NetNeighbor -includeAllCompartments -state Permanent,Reachable | Format-Table -property @{e='IPAddress';width=38},@{e='InterfaceAlias';width=14},@{e='LinkLayerAddress';width=19},@{e='State';width=12}
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*(generated by convert-ps2md.ps1 as of 11/20/2024 11:51:56)*