https://community.cisco.com/t5/wireless/wlc-3504-usb/m-p/3833990#M205266 <P>Hello,</P><P>&nbsp;</P><P>How to update firmware for wlc 3504 over usb?</P><P>According to&nbsp;<A href="https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/68835-wlc-upgrade.html#anc7" target="_blank" rel="noopener">https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/68835-wlc-upgrade.html#anc7</A></P><P>WLC 3504 can't be updated trough usb</P> Mon, 05 Jul 2021 17:12:58 GMT slyfox 2021-07-05T17:12:58Z https://community.cisco.com/t5/wireless/wlc-3504-usb/m-p/3833990#M205266 <P>Hello,</P><P>&nbsp;</P><P>How to update firmware for wlc 3504 over usb?</P><P>According to&nbsp;<A href="https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/68835-wlc-upgrade.html#anc7" target="_blank" rel="noopener">https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/68835-wlc-upgrade.html#anc7</A></P><P>WLC 3504 can't be updated trough usb</P> Mon, 05 Jul 2021 17:12:58 GMT https://community.cisco.com/t5/wireless/wlc-3504-usb/m-p/3833990#M205266 slyfox 2021-07-05T17:12:58Z https://community.cisco.com/t5/wireless/wlc-3504-usb/m-p/3834051#M205267 <BLOCKQUOTE><HR /><a href="https://community.cisco.com/t5/user/viewprofilepage/user-id/260367">@slyfox</a>&nbsp;wrote:<BR /> <P><SPAN>WLC 3504 can't be updated trough usb</SPAN></P> <HR /></BLOCKQUOTE> <P>USB support is on 8.5.135.0 (and later).</P> <P>Otherwise, you need to do the following in CLI:</P> <PRE>transfer download mode tftp transfer download path / transfer download mode http transfer download path / transfer download sftp transfer download path / transfer download ftp transfer download path /</PRE> <P>This is due to&nbsp;CSCvh28506.</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 08 Apr 2019 08:36:28 GMT https://community.cisco.com/t5/wireless/wlc-3504-usb/m-p/3834051#M205267 Leo Laohoo 2019-04-08T08:36:28Z