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Add-BgpRoutingPolicy

Adds a BGP routing policy to the policy store.

Syntax

Add-BgpRoutingPolicy
   [-PassThru]
   [-RoutingDomain <String>]
   [-IgnorePrefix <String[]>]
   [-Name] <String>
   [-MatchCommunity <String[]>]
   [-NewLocalPref <UInt32>]
   [-AddCommunity <String[]>]
   [-Force]
   [-NewMED <UInt32>]
   [-PolicyType] <PolicyType>
   [-NewNextHop <IPAddress>]
   [-RemoveCommunity <String[]>]
   [-MatchPrefix <String[]>]
   [-MatchNextHop <IPAddress[]>]
   [-MatchASNRange <UInt32[]>]
   [-ClearMED]
   [-RemoveAllCommunities]
   [-CimSession <CimSession[]>]
   [-ThrottleLimit <Int32>]
   [-AsJob]
   [<CommonParameters>]

Description

The Add-BgpRoutingPolicy cmdlet adds a Border Gateway Protocol (BGP) routing policy to the policy store. The cmdlet selects and configures the routes for the routing policy that match the criteria that you specify for this cmdlet. If you do not set any matching criteria, you must specify the Force parameter to add a BGP routing policy. You can set the criteria by specifying the following parameters:

  • MatchASNRange
  • MatchCommunity
  • MatchNextHop
  • MatchPrefix

Examples

Example 1: Add a BGP routing policy that modifies router attributes

PS C:\> Add-BgpRoutingPolicy -Name "RTPolicy04" -PolicyType ModifyAttribute -MatchPrefix 10.1.4.0/24 -IgnorePrefix 10.1.4.16/28 -NewLocalPref 400 -PassThru




PolicyName   : RTPolicy04
PolicyType   : ModifyAttribute
MatchClauses : MatchPrefix  : {10.1.4.0/24}
IgnorePrefix : {10.1.4.16/28}
SetClauses   : NewLocalPref : 400

This command adds a BGP routing policy named RTPolicy04 to the local BGP router. The routing policy modifies the Local-Pref attribute of the BGP routes that match the value of the MatchPrefix parameter. The command assigns the value of 400 to the Local-Pref attribute of the BGP routes that match the network prefix 10.1.4.0/24. The command specifies that the cmdlet does not modify the Local-Pref attribute of the BGP routes that have the network prefix 10.1.4.16/28.

Example 2: Add a BGP routing policy that disables routes

PS C:\> Add-BgpRoutingPolicy -Name RTPolicy06 -PolicyType Deny -MatchASNRange 64545,64555 -PassThru




PolicyName   : RTPolicy06
PolicyType   : Deny
MatchClauses : MatchASNRange : {64545, 64555}
SetClauses   :

This command adds a BGP routing policy named RTPolicy06 to the local BGP router. The routing policy drops the routes that have an ASN in the range of 64545 to 64555 in the As-Path attribute from the BGP best path selection process..

Example 3: Add a BGP routing policy for a routing domain

PS C:\> Add-BgpRoutingPolicy -Name RTPolicy01 -RoutingDomain "Rd_001" -PolicyType ModifyAttribute -MatchPrefix 10.1.4.0/24 -IgnorePrefix 10.1.4.16/28 -NewLocalPref 400 -PassThru | Format-Table



PolicyName                    PolicyType                    MatchClauses                  SetClauses
----------                    ----------                    ------------                  ----------
RTPolicy01                    ModifyAttribute               MatchPrefix  : {10.1.4.0/24}  NewLocalPref : 400
IgnorePrefix : {10.1.4.16/28}

This command adds a BGP routing policy named RTPolicy01 to the BGP router for the routing domain named Rd_001. The routing policy sets the value of the Local-Pref attribute of the BGP routes that match the value of the MatchPrefix parameter. The command specifies that the cmdlet does not modify the Local-Pref attribute of the BGP routes that have the network prefix 10.1.4.16/28. The command passes the results of the cmdlet to the Format-Table cmdlet by using the pipeline operator. The Format-Table cmdlet formats the output as a table. For more information, type Get-Help Format-Table.

Parameters

-AddCommunity

Specifies an array of Community attribute values. The routing policy adds the Community attribute values to the BGP routes that match the criteria that you specify for the routing policy.

Type:String[]
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-AsJob

Runs the cmdlet as a background job. Use this parameter to run commands that take a long time to complete.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False

-CimSession

Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.

Type:CimSession[]
Aliases:Session
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False

-ClearMED

Indicates that the routing policy removes the Multi-Exit Discriminator (MED) value from the route advertisements of the BGP routes that match the criteria that you specify for the routing policy.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-Force

Forces the command to run without asking for user confirmation.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False

-IgnorePrefix

Specifies an array of network prefixes. The cmdlet does not process routes that have the network prefix that you specify.

Type:String[]
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-MatchASNRange

Specifies a range of autonomous system numbers (ASNs). The cmdlet matches these ASNs with the ASNs in the As-Path attribute in the BGP route advertisements. The cmdlet processes the routes that match these criteria.

Type:UInt32[]
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-MatchCommunity

Specifies an array of Community attribute values. The cmdlet matches these Community attribute values in the BGP route advertisements. The cmdlet processes the routes that match these criteria.

Type:String[]
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-MatchNextHop

Specifies an array of Next-Hop attribute values. The cmdlet matches these IP addresses in the BGP route advertisements, and it processes the routes that match these criteria.

Type:IPAddress[]
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-MatchPrefix

Specifies an array of network prefixes. The cmdlet matches these network addresses in the BGP route advertisements, and it processes the routes that match these criteria.

Type:String[]
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-Name

Specifies a name for the routing policy. The name of a routing policy must be unique.

Type:String
Aliases:PolicyId, PolicyName
Position:1
Default value:None
Required:True
Accept pipeline input:True
Accept wildcard characters:False

-NewLocalPref

Specifies a new value of the Local-Pref attribute of the BGP routes that match the criteria that you specify for this cmdlet.

Type:UInt32
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-NewMED

Specifies a new value of the MED attribute of the BGP routes that match the criteria that you specify for this cmdlet.

Type:UInt32
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-NewNextHop

Specifies a new IP address value for the Next-Hop attribute of the BGP routes that match the criteria that you specify for this cmdlet.

Type:IPAddress
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-PassThru

Returns an object representing the item with which you are working. By default, this cmdlet does not generate any output.

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False

-PolicyType

Specifies the type of BGP routing policy or the filtering action that the cmdlet applies to the BGP routes that match the criteria that you specify for this cmdlet. The acceptable values for this parameter are:

  • ModifyAttribute
  • Allow. The routing policy allows all routes that match the criteria for the BGP best path selection process.
  • Deny. The routing policy filters and drops all routes that match the criteria from the BGP best path selection process.
Type:PolicyType
Accepted values:Deny, Allow, ModifyAttribute
Position:2
Default value:None
Required:True
Accept pipeline input:True
Accept wildcard characters:False

-RemoveAllCommunities

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-RemoveCommunity

Specifies an array of Community attribute values. The cmdlet removes the Community attribute values from the BGP routes that match the criteria that you specify for this cmdlet.

Type:String[]
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-RoutingDomain

Specifies the name, as a string, of the routing domain. The ID of a routing domain is a user-defined alphanumeric string.

Type:String
Aliases:RoutingDomainName
Position:Named
Default value:None
Required:False
Accept pipeline input:True
Accept wildcard characters:False

-ThrottleLimit

Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the computer. The throttle limit applies only to the current cmdlet, not to the session or to the computer.

Type:Int32
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False

Inputs

String

String[]

Nullable<T>[[System.UInt32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]

Microsoft.PowerShell.Cmdletization.GeneratedTypes.Bgp.PolicyType

IPAddress

IPAddress[]

UInt32[]

SwitchParameter

Outputs

CimInstance

CimInstance