https://community.cisco.com/t5/wireless/wireless-controller-issue-5520/m-p/4870765#M257984 <P>Contact Cisco TAC and arrange for an RMA.&nbsp;&nbsp;</P> <P>Good luck.</P> Mon, 10 Jul 2023 09:05:20 GMT Leo Laohoo 2023-07-10T09:05:20Z https://community.cisco.com/t5/wireless/wireless-controller-issue-5520/m-p/4870755#M257982 <P>After power issue cisco wlc 5520 is in shell mode, could you please help me how to bring up</P> Mon, 10 Jul 2023 08:41:33 GMT https://community.cisco.com/t5/wireless/wireless-controller-issue-5520/m-p/4870755#M257982 Pradeep7 2023-07-10T08:41:33Z https://community.cisco.com/t5/wireless/wireless-controller-issue-5520/m-p/4870765#M257984 <P>Contact Cisco TAC and arrange for an RMA.&nbsp;&nbsp;</P> <P>Good luck.</P> Mon, 10 Jul 2023 09:05:20 GMT https://community.cisco.com/t5/wireless/wireless-controller-issue-5520/m-p/4870765#M257984 Leo Laohoo 2023-07-10T09:05:20Z