D-Link DWS-3026 Product Manual - Page 63
Example 3: IP Address of Switch Con d in the AP, Example 4: DHCP Option
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4 Installing the D-Link Unified Access System Example 3: IP Address of Switch Configured in the AP In this example, the administrator connects to the access point CLI and statically configures the IP addresses of two D-Link Unified Switches that are allowed to manage the AP. Figure 34. L3 Discovery Example 2 Unified Switch IP List 192.168.3.1.54 192.168.22.161 AP UDP Discovery Message (5 UDP SeconMdsesLsaDatiegsrec)overy Unified Switch 1 IP: 192.168.1.54 Unified Switch 2 IP: 192.168.22.161 The AP sends a UDP discovery message to the first IP address configured in its list. When the switch receives the message, it verifies that the vendor ID on the AP is valid, there is no existing SSL TCP connection to the access point, and the maximum number of managed APs hasn't been reached. If all these conditions are met then the switch sends an invitation message to the AP to start the SSL TCP connection. If the AP does not receive an invitation from the first Unified Switch configured in its list, it sends a UDP discovery message to the second Unified Switch configured in the list five seconds after sending the message to the first Unified Switch. When an IP address of a Unified Switch is configured on the AP, the AP only associates with that switch even if other switches discover the AP by using other mechanisms. For more information about how to configure this discovery method, see "Setting the Switch IP Address in the D-Link Access Point" on page 71. Example 4: DHCP Option In this example, the administrator has configured the IP address of the Unified Switch as an option in the DHCP response to the DHCP request that the AP sends the DHCP server. Figure 35. DHCP Option Example DHCP Request DHCP Response AP DHCP Server Discovering Access Points and Peer Switches 63