Get all routes on all NSX Edges via PowerNSX

nsx-get-edge-routes.ps1

# This snippet gets all the IP routes  
#
# Import-Module PowerNSX and run
# Connect-NsxServer before running this.

$edges = Get-NsxEdge

foreach($edge in $edges)
{
    Write-Host "Getting routes for Edge $($edge.name) ($($edge.id))"

    # Use Invoke-NsxCli to execute a "show edge edge-id ip route" via the NSX Central CLI to get the routes
    $raw_show_ip_route = (Invoke-NsxCli -SupressWarning -Query "show edge $($edge.id) ip route" -RawOutput).Split([Environment]::NewLine)
    
    # No response? Go on to the next edge
    if($raw_show_ip_route -eq $null) {
        continue
    }

    # i.e. S       0.0.0.0/0            [1/0]         via 10.8.25.1  
    # Filter on 'via'
    $raw_routes = $raw_show_ip_route | where {$_.Contains("via")} 

    # No routes? Go on to the next edge
    if($raw_routes -eq $null) {
        continue
    }

    # Filter on / (route subnet) and not [ (metric)
    $routes = $raw_routes.Split(" ") | where {$_.Contains("/")} | where {!($_.Contains("["))}

    # What remains is a list of route subnets
    Write-Host "Routes:"

    # Output
    $routes
}