--- title: "addLoadBalancerListenerCertificate" slug: "cli-vloadbalancer-loadbalancer-addloadbalancerlistenercertificate" updated: 2026-10-08T05:09:38Z published: 2026-10-08T05:09:38Z canonical: "cli.ncloud-docs.com/cli-vloadbalancer-loadbalancer-addloadbalancerlistenercertificate" --- > ## Documentation Index > Fetch the complete documentation index at: https://cli.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # addLoadBalancerListenerCertificate Available in VPC Add an SNI-based multi-TLS certificate to a load balancer. ## Syntax The `addLoadBalancerListenerCertificate` syntax is as follows: ``` ./ncloud vloadbalancer addLoadBalancerListenerCertificate \ --loadBalancerListenerNo \ --sslCertificateNo \ [--regionCode ] \ [--output ] ``` ## Options This section describes the options available when running `addLoadBalancerListenerCertificate`. ### Required options The following options are required for `addLoadBalancerListenerCertificate`. | Options | Type | Required | Description | | --- | --- | --- | --- | | `--loadBalancerListenerNo` | String | Required | Load balancer listener number - See [getLoadBalancerListenerList](/docs/en/cli-vloadbalancer-loadbalancer-getloadbalancerlistenerlist). | | `--sslCertificateNo` | String | Required | SSL certificate number - An SSL certificate must be configured if the listener's protocol type is `HTTPS` or `TLS`. - See [getCertificateList (v1)](https://api.ncloud-docs.com/docs/en/security-certificatemanager-getcertificatelist) and [ListCertificates (v2)](https://api.ncloud-docs.com/docs/en/security-certificatemanager-listcertificates) of the Certificate Manager API user guide. | ### Common options For information about the options common to all `vloadbalancer` subcommands, see [Load Balancer (VPC) options](/docs/en/cli-vloadbalancer#%EC%98%B5%EC%85%98). ## Examples If the request to add a TLS certificate is successful, information about the TLS certificate applied to the load balancer listener is returned. ### Command The command example is as follows: ``` ./ncloud vloadbalancer addLoadBalancerListenerCertificate \ --loadBalancerListenerNo 60001111 \ --sslCertificateNo 51234568 \ --regionCode KR \ --output json ``` ### Output The output example is as follows: ``` { "addLoadBalancerListenerCertificateResponse": { "totalRows": 3, "loadBalancerListenerCertificateList": [ { "sslCertificateNo": "51234568", "memberNo": "24681357", "sslCertificateName": "cli-docs-test-cert2", "domainAddress": "cli-docs-test2.example.com", "validEndDate": "2026-07-17 18:36:03", "isDefault": false, "statusCode": 1, "statusName": "Normal" }, { "sslCertificateNo": "51234567", "memberNo": "24681357", "sslCertificateName": "cli-docs-test-cert", "domainAddress": "cli-docs-test.example.com", "validEndDate": "2026-07-17 18:34:59", "isDefault": true, "statusCode": 1, "statusName": "Normal" }, { "sslCertificateNo": "51234567", "memberNo": "24681357", "sslCertificateName": "cli-docs-test-cert", "domainAddress": "cli-docs-test.example.com", "validEndDate": "2026-07-17 18:34:59", "isDefault": false, "statusCode": 1, "statusName": "Normal" } ], "requestId": "a3b4c5d6-e7f8-9012-abcd-345678901234", "returnCode": "0", "returnMessage": "success" } } ```