Get BGP route table information from NSX-T T0.

Get-NSXT0BGPRouteTable.ps1

$NSXMgr = Read-Host "Please provide NSX-T DNS name or IP address." 
$Credential = Get-Credential -Message "Please provide NSX-T username and password."

$skipcertcheck = $true
$AuthMethod = “Basic”
$policyapi = "/policy/api/v1"
$base_url = ("https://" + $NSXMgr + $policyapi)


$endpoint = "/infra/tier-0s/"
$T0List = Invoke-restmethod -Uri ($base_url + $endpoint) -Method GET -Credential $Credential -SkipCertificateCheck:$skipcertcheck -Authentication:$AuthMethod
Foreach ($T0 in $T0List.Results) {
    $endpoint = ($T0List.Results.Path + "/locale-services")
    $T0Locale = Invoke-restmethod -Uri ($base_url + $endpoint) -Method GET -Credential $Credential -SkipCertificateCheck:$skipcertcheck -Authentication:$AuthMethod

    $EndPoint = ($T0Locale.Results.Path + "/bgp/neighbors/")
    $T0Neighbors = Invoke-restmethod -Uri ($base_url + $endpoint) -Method GET -Credential $Credential -SkipCertificateCheck:$skipcertcheck -Authentication:$AuthMethod
    
    $T0RouteData = @()
    Foreach ($Neighbor in $T0Neighbors.results) {
        $EndPoint = ($Neighbor.Path + "/routes")
        $data = (Invoke-restmethod -Uri ($base_url + $endpoint) -Method GET -Credential $Credential -SkipCertificateCheck:$skipcertcheck -Authentication:$AuthMethod).results[0].egde_node_routes | % { $_.routes } | select network, as_path | Sort-Object network
        Foreach ($route in $data) {
            $tmpObj = "" | Select T0_id, network, as_path
            $tmpObj.T0_id = $Neighbor.id
            $tmpObj.network = $route.network
            $tmpObj.as_path = $route.as_path 
            $T0RouteData += $tmpObj
        }
        $T0RouteData 
    }
}