howdy y'all,

i've been playing off-n-on with a SysInfo script. it does NOT cover everything, but i think i have what is needed.

so, i have questions ...

[this is all being done on my win7x64, ps5.1 box - and also used on several win7 CAD systems. the printer, dns, and most net cmdlets are all win8.1 or win10.]

[0] does it work on your system?

[1] did i leave out anything that you consider important?

[2] how do i get the ipv6 DNS servers?
i can see it with ipconfig /all but it don't show up with CIM/WMI as far as i can tell.

[3] converting the DNS servers [ipaddress] object array to a string
the way i originally had that set up, it gave the two addresses in {}. that bothered me - an array in a property list where i know the guys who are currently using this code will expect only flat objects.

so converted it to 208.67.222.222; 208.67.220.220 and left it that way.

is there any real use in leaving it an array instead of a string?

[4] unable to find CIM/WMI ipv6 DefaultGateway & DHCP_Server info
are there ipv6 DefaultGateway & DHCP_Server items buried somewhere?

here's the code ...

$SysInfoProps = [ordered]@{}

Write-Information '    getting CIM_NetworkAdapter & Win32_NetworkAdapterConfiguration info ...'
# this is a regex OR, so put a '|' between each item you want to exclude
#$ExcludedNetAdapterList = 'Npcap|VirtualBox'
$ExcludedNetAdapterList = 'Npcap'
$CIM_NetAdapter = Get-CimInstance -ClassName CIM_NetworkAdapter
$CIM_NetConfig = Get-CimInstance -ClassName Win32_NetworkAdapterConfiguration |
    Where-Object {
        $_.IPEnabled -and 
        $_.Description -notmatch $ExcludedNetAdapterList
        }
foreach ($CNC_Item in $CIM_NetConfig)
    {
    $Index = '{0:D2}' -f $CNC_Item.Index
    $SysInfoProps.Add("Net_${Index}_AdapterIndex", $CNC_Item.Index)
    $SysInfoProps.Add("Net_${Index}_AdapterName", $CNC_Item.Description)
    $SysInfoProps.Add("Net_${Index}_AdapterManufacturer", $CIM_NetAdapter[$Index].Manufacturer)
    # using 1e9 instead of 1GB since the NIST uses base 10
    $SysInfoProps.Add("Net_${Index}_AdapterSpeed_Gbit", $CIM_NetAdapter[$Index].Speed / 1e9)
    $DefaultGateway = if ($CNC_Item.DefaultIPGateway -is [array])
        {
        $CNC_Item.DefaultIPGateway[0]
        }
        else
        {
        $Null
        }
    $SysInfoProps.Add("Net_${Index}_DefaultGateway", $DefaultGateway)
    $SysInfoProps.Add("Net_${Index}_DHCP_Enabled", $CNC_Item.DHCPEnabled)
    $SysInfoProps.Add("Net_${Index}_DHCP_Server", $CNC_Item.DHCPServer)
    $SysInfoProps.Add("Net_${Index}_DNS_HostName", $CNC_Item.DNSHostName)

    # on my system the addresses are stored [0]=IPv4, [1]=IPv6
    #    the [ipaddress] conversion fails with ipv6 subnet info
    #    "64" becomes "0.0.0.64" [ipv4] instead of "64" or "::64" [ipv6]
    $SysInfoProps.Add("Net_${Index}_IPv4_Address",
        ([ipaddress[]]$CNC_Item.IPAddress).
        Where({$_.AddressFamily -eq 'Internetwork'})  -join '; ')
    $SysInfoProps.Add("Net_${Index}_IPv4_AddressSubnet", $CNC_Item.IPSubnet[0])
    $SysInfoProps.Add("Net_${Index}_IPv4_DNS_Servers",
        ([ipaddress[]]$CNC_Item.DNSServerSearchOrder).
        Where({$_.AddressFamily -eq 'Internetwork'}) -join '; ')

    $SysInfoProps.Add("Net_${Index}_IPv6_Address",
        ([ipaddress[]]$CNC_Item.IPAddress).
        Where({$_.AddressFamily -eq 'InternetworkV6'})  -join '; ')
    $SysInfoProps.Add("Net_${Index}_IPv6_AddressSubnet", $CNC_Item.IPSubnet[1])
    # IPV6 DNS servers are shown in "ipconfig /all", but not with CIM
    #    so this will be blank on my system
    $SysInfoProps.Add("Net_${Index}_IPv6_DNS_Servers", 
        ([ipaddress[]]$CNC_Item.DNSServerSearchOrder).
        Where({$_.AddressFamily -eq 'InternetworkV6'}) -join '; ')

    $SysInfoProps.Add("Net_${Index}_MAC_Address", $CNC_Item.MACAddress)
    }

$SysInfoProps

take care,
lee