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# 将 `DescribeLoadBalancerPolicies` 与 CLI 配合使用
<a name="elastic-load-balancing_example_elastic-load-balancing_DescribeLoadBalancerPolicies_section"></a>

以下代码示例演示如何使用 `DescribeLoadBalancerPolicies`。

------
#### [ CLI ]

**AWS CLI**  
**描述与负载均衡器关联的所有策略**  
此示例描述与指定负载均衡器关联的所有策略。  
命令:  

```
aws elb describe-load-balancer-policies --load-balancer-name my-load-balancer
```
输出：  

```
{
  "PolicyDescriptions": [
    {
      "PolicyAttributeDescriptions": [
        {
          "AttributeName": "ProxyProtocol",
          "AttributeValue": "true"
        }
      ],
      "PolicyName": "my-ProxyProtocol-policy",
      "PolicyTypeName": "ProxyProtocolPolicyType"
    },
    {
        "PolicyAttributeDescriptions": [
            {
                "AttributeName": "CookieName",
                "AttributeValue": "my-app-cookie"
            }
        ],
        "PolicyName": "my-app-cookie-policy",
        "PolicyTypeName": "AppCookieStickinessPolicyType"
    },
    {
      "PolicyAttributeDescriptions": [
        {
          "AttributeName": "CookieExpirationPeriod",
          "AttributeValue": "60"
        }
      ],
      "PolicyName": "my-duration-cookie-policy",
      "PolicyTypeName": "LBCookieStickinessPolicyType"
    },
    .
    .
    .
  ]
}
```
**描述与负载均衡器关联的特定策略**  
此示例描述与指定负载均衡器关联的指定策略。  
命令:  

```
aws elb describe-load-balancer-policies --load-balancer-name my-load-balancer --policy-name my-authentication-policy
```
输出：  

```
{
  "PolicyDescriptions": [
      {
          "PolicyAttributeDescriptions": [
              {
                  "AttributeName": "PublicKeyPolicyName",
                  "AttributeValue": "my-PublicKey-policy"
              }
          ],
          "PolicyName": "my-authentication-policy",
          "PolicyTypeName": "BackendServerAuthenticationPolicyType"
      }
  ]
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[DescribeLoadBalancerPolicies](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/elb/describe-load-balancer-policies.html)*中的。

------
#### [ PowerShell ]

**适用于 PowerShell V4 的工具**  
**示例 1：此示例描述与指定负载均衡器关联的策略。**  

```
Get-ELBLoadBalancerPolicy -LoadBalancerName my-load-balancer
```
**输出**：  

```
PolicyAttributeDescriptions             PolicyName                              PolicyTypeName
---------------------------             ----------                              --------------
{ProxyProtocol}                         my-ProxyProtocol-policy                 ProxyProtocolPolicyType
{CookieName}                            my-app-cookie-policy                    AppCookieStickinessPolicyType
```
**示例 2：此示例描述指定策略的属性。**  

```
(Get-ELBLoadBalancerPolicy -LoadBalancerName my-load-balancer -PolicyName my-ProxyProtocol-policy).PolicyAttributeDescriptions
```
**输出**：  

```
AttributeName    AttributeValue
-------------    --------------
ProxyProtocol    true
```
**示例 3：此示例描述预定义的策略，包括示例策略。示例策略的名称带有 ELBSample-前缀。**  

```
Get-ELBLoadBalancerPolicy
```
**输出**：  

```
PolicyAttributeDescriptions             PolicyName                              PolicyTypeName
---------------------------             ----------                              --------------
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2015-05               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2015-03               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2015-02               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2014-10               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2014-01               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2011-08               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSample-ELBDefaultCipherPolicy        SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSample-OpenSSLDefaultCipherPolicy    SSLNegotiationPolicyType
```
+  有关 API 的详细信息，请参阅 *AWS Tools for PowerShell Cmdlet 参考 (V* 4) [DescribeLoadBalancerPolicies](https://docs.aws.amazon.com/powershell/v4/reference)中的。

**适用于 PowerShell V5 的工具**  
**示例 1：此示例描述与指定负载均衡器关联的策略。**  

```
Get-ELBLoadBalancerPolicy -LoadBalancerName my-load-balancer
```
**输出**：  

```
PolicyAttributeDescriptions             PolicyName                              PolicyTypeName
---------------------------             ----------                              --------------
{ProxyProtocol}                         my-ProxyProtocol-policy                 ProxyProtocolPolicyType
{CookieName}                            my-app-cookie-policy                    AppCookieStickinessPolicyType
```
**示例 2：此示例描述指定策略的属性。**  

```
(Get-ELBLoadBalancerPolicy -LoadBalancerName my-load-balancer -PolicyName my-ProxyProtocol-policy).PolicyAttributeDescriptions
```
**输出**：  

```
AttributeName    AttributeValue
-------------    --------------
ProxyProtocol    true
```
**示例 3：此示例描述预定义的策略，包括示例策略。示例策略的名称带有 ELBSample-前缀。**  

```
Get-ELBLoadBalancerPolicy
```
**输出**：  

```
PolicyAttributeDescriptions             PolicyName                              PolicyTypeName
---------------------------             ----------                              --------------
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2015-05               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2015-03               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2015-02               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2014-10               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2014-01               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSecurityPolicy-2011-08               SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSample-ELBDefaultCipherPolicy        SSLNegotiationPolicyType
{Protocol-SSLv2, Protocol-TLSv1, Pro... ELBSample-OpenSSLDefaultCipherPolicy    SSLNegotiationPolicyType
```
+  有关 API 的详细信息，请参阅 *AWS Tools for PowerShell Cmdlet 参考 (V* 5) [DescribeLoadBalancerPolicies](https://docs.aws.amazon.com/powershell/v5/reference)中的。

------