Express Route的配置

衡子發表於2015-11-27

ExpressRoute在中國已經Preview了。

本篇文章講介紹ExpressRoute如何配置。

Express Route的邏輯拓撲結構:

在配置Express Route之前,需要做VLAN和IP地址的規劃:

Router

IP Prefix

Peering

VLAN ID

Primary

172.16.1.0/30

Private

555

Secondary

172.16.2.0/30

Private

555

Primary

172.16.1.4/30

Public

556

Secondary

172.16.2.4/30

Public

556

由於Express Route要求都是冗餘配置,所以所有的內容都是兩個:兩個VLAN,兩根連結,public/private peering。

規劃好後,在Azure上做如下配置:

  1. 在Powershell裡import Expressroute的模組:

    Import-Module 'C:\Program Files (x86)\Microsoft SDKs\Azure\PowerShell\ServiceManagement\Azure\ExpressRoute\ExpressRoute.psd1'

  2. 用PowerShell在Azure上檢視ExpressRoute的服務情況:

    Get-AzureDedicatedCircuitServiceProvider

     

    Name DedicatedCircuitLocations DedicatedCircuitBandwidths

    ---- ------------------------- --------------------------

    Beijing Telecom Ethernet Beijing 200Mbps:200, 500Mbps:500, 1Gbps:1000, 10Gbps:10000

  3. 在Beijing建立200M的Circuit

    New-AzureDedicatedCircuit -CircuitName hwtest200 -Bandwidth 200 -Location Beijing -ServiceProviderName "Beijing Telecom Ethernet"

    CircuitName            : hwtest200

    Location                : Beijing

    ServiceKey                : xxxxxxxxxxxxx

    ServiceProviderName        : beijing telecom ethernet

    ServiceProviderProvisioningState    : NotProvisioned

    Sku                : Standard

    Status                 : Enabled

    其中SeviceKey是標識這條Circuit的唯一識別符號,需要把串數字提供給電信。

    目前的狀態是NotProvisioned,等電信做好專線後,其狀態將轉換為Provisoned。

  4. 定義變數

    在Powershell中定義變數:

    $ServiceKey = "02a830bf-817d-45fd-b5dd-08312cf61682"

    $MD5Hash = "dfeaf10390e560aea745ccba53e044ed"

    $private_Subnet_Primary = "172.16.1.0/30"

    $private_Subnet_Secondary = "172.16.2.0/30"

    $public_Subnet_Primary = "172.16.1.4/30"

    $public_Subnet_Secondary = "172.16.2.4/30"

    $ASN = 65002

    $VLANPrivate = "555"

    $VLANPublic = "556"

  5. 部署BGP Private Peering的配置

    New-AzureBGPPeering -ServiceKey $ServiceKey `

    -PrimaryPeerSubnet $private_Subnet_Primary `

    -SecondaryPeerSubnet $private_Subnet_Secondary `

    -PeerAsn $ASN `

    -VlanId $VLANPrivate `

    –AccessType Private

     

    AdvertisedPublicPrefixes         :

    AdvertisedPublicPrefixesState         :

    AzureAsn             : 12076

    CustomerAutonomousSystemNumber     : 0

    PeerAsn             : 65002

    PrimaryAzurePort             : BTEXP-BJB-06GMR-CIS-1-PRI-A

    PrimaryPeerSubnet         : 172.16.1.0/30

    RoutingRegistryName         :

    SecondaryAzurePort         : BTEXP-BJB-06GMR-CIS-2-SEC-A

    SecondaryPeerSubnet         : 172.16.2.0/30

    State             : Enabled

    VlanId             : 555

  6. 部署BGP Public Peering的配置

    New-AzureBGPPeering -ServiceKey $ServiceKey `

    -PrimaryPeerSubnet $public_Subnet_Primary `

    -SecondaryPeerSubnet $public_Subnet_Secondary `

    -PeerAsn $ASN `

    -VlanId $VLANPublic `

    -AccessType Public

    AdvertisedPublicPrefixes         :

    AdvertisedPublicPrefixesState         :

    AzureAsn              : 12076

    CustomerAutonomousSystemNumber     : 0

    PeerAsn             : 65002

    PrimaryAzurePort             : BTEXP-BJB-06GMR-CIS-1-PRI-A

    PrimaryPeerSubnet         : 172.16.1.4/30

    RoutingRegistryName         :

    SecondaryAzurePort         : BTEXP-BJB-06GMR-CIS-2-SEC-A

    SecondaryPeerSubnet         : 172.16.2.4/30

    State             : Enabled

    VlanId             : 556

  7. 把Vnet和ExpressRoute的Circuit建立連線

    New-AzureDedicatedCircuitLink -ServiceKey $ServiceKey -VNetName $Vnet

     

     

     

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