H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 608)

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Figure 627 Backing up the IP address of AC 1
g. Select AP > AP Setup from the navigation tree.
h. Click the icon corresponding to the target AP to enter the configuration page.
i. Expand Advanced Setup.
j. Enter 1.1.1.4 in the Backup AC IPv4 Address field.
k. Click Apply.