<p>To permit the connection to the Redis instance, whitelist the network segment for the ECS instance on the Redis instance.</p> <p><strong><span style="font-size:18px">Limitations</span></strong></p> <p>Currently, Bare Metal Service (BMS) in the East China region does not support whitelisting.</p> <p><strong><span style="font-size:18px">Prerequisites</span></strong></p> <ol> <li>You have successfully created a Redis instance. For more information, see <a href="http://pinganyun.com/ssr/help/database/Redis/Getting_Started.Create_Redis" target="_blank">Create a Redis Instance</a>.</li> <li>You have successfully created an ECS instance. For more information, see <a href="http://pinganyun.com/ssr/help/database/Redis/Getting_Started.Create_ECS" target="_blank">Create an ECS Instance</a>.</li> </ol> <p><span style="font-size:18px"><strong>Usage Guidelines</strong></span><br /> If you cannot access a database instance from a whitelisted ECS, please submit a <a href="http://srvbot.paic.com.cn/#/app/requestManagement/request-new/94f98214-f02b-41a0-80a1-0ab4511bf7f2" target="_blank">Srvbot</a> request to enable the firewall service for the instance access.</p> <p><strong><span style="font-size:18px">Procedures</span></strong></p> <p>1.&nbsp;&nbsp;&nbsp;&nbsp; Log in to the <a href="http://pinganyun.com/console/redis/overview" target="_blank">Redis Console</a>.</p> <p>2.&nbsp;&nbsp;&nbsp;&nbsp; In the left navigation pane, click <strong>Redis Cluster</strong> to enter the <strong>DBPaaS for Redis</strong> page.</p> <p>3.&nbsp;&nbsp;&nbsp;&nbsp; Select the target region.</p> <p>4.&nbsp;&nbsp;&nbsp;&nbsp; Click <strong>Manage</strong> in the <strong>Operation</strong> column of the target instance.</p> <p>5.&nbsp;&nbsp;&nbsp;&nbsp; On the page that opens, click the <strong>Whitelist</strong> tab.</p> <p>6.&nbsp;&nbsp;&nbsp;&nbsp; In the <strong>Whitelist</strong> area, click <strong>Create Whitelist</strong> in the upper-right corner.</p> <p>7.&nbsp;&nbsp;&nbsp;&nbsp; In the dialog box that opens, select the network segment where the ECS instance resides, and then click <strong>Save</strong>.</p> <p><img src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20201507105532-130f2b2e93f8.png" style="height:477px; width:756px" />&nbsp;</p> <p><strong><span style="font-size:18px">Result</span></strong></p> <p>1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; In the <strong>Whitelist</strong> area, the status of the target subnet IP is <strong>Pending</strong>.</p> <p><img src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20201507105549-1efd3f2396fa.png" style="height:212px; width:830px" /></p> <p>2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The status of the target subnet IP becomes <strong>Available</strong>, indicating that the subnet IP is successfully whitelisted.</p> <p><img src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20201507105614-12000ed899ba.png" style="height:212px; width:830px" /></p> <p>&nbsp;</p> <p>&nbsp;</p>