I have a trouble with internal dhcp server in WLC 2125. I installed wireless solution on the brunch office. There are one controller WLC 2125 and 17 LAPs 1131G in the office. Two IP-networks was choosed for implementation Wireless network. First network is choosed for the wireless access points and associated with management interface on WLC. Second network is choosed for the wireless clients and associated with dynamic interface on WLC. Internal DHCP server was choosed for assignment IP address to LAPs and clients. First time dhcp server responds for requests from LAPs, but after some time dhcp server skips all requests. All other setting are default. What is solution could be?
Even thought the wlc can be used for dhcp for the AP's, I would suggest you use something else to hand out these. They work okay for clients, at times, but I see more issues with it being used for AP's. Either try to use the switch to had out address to the AP's or use your internal dhcp server. If you search on this topic, you will see various responses.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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