http://blog.sina.com.cn/s/blog_4951b7d50102x435.html
Try this from the via GUI of
Try this from the via GUI of your wlc assuming that you have a TFTP server on your laptop and have logged in.
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Go to the ‘Commands’ tab and select ‘Upload file’
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Select file type ‘Configuration’, transfer mode ‘TFTP’
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Enter your laptop ip address , file path ‘/’ and enter a unique file name
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Select ‘Upload’ in the upper right and confirm the backup file is successfully backed up via your TFTP server
To recover on this wlc or a replacement, simply use the same process from the ‘Download file’ section
一般使用tftp32软件是3CDaemon
无线连接到cisco 2504无线控制器一般备份不成功
要使用有线连接
不在一个网段也可以，只是备份时花费的时间要长一点。
