Well first off, your guest will not work with no physical connection and your guest wlan is pointing to that guest interface. If your internal SSID is using your management, then it will use port 1, but if you have defined another dynamic interface and assigned it to port 1, you need to make sure your connection from the WLC to the Switch is a trunk port. If your management interface is configured with a vlan tag or 0 (untagged), then your trunk port needs to also have the native vlan command with the vlan the wlc is on as native, if you tagg the management vlan, then you don't need the native vlan command.
If the DHCP server is the an external server than make sure that you have disable DHCP proxy on the WLC since the WLC works as a DHCP relay agent and some DHCP servers do not like to reply back to the DHCP relay , also make sure that under the interface the WLAN is linked to it has the correct IP address of the DHCP server and that the WLC can ping it.
If the DHCP server being used on the WLAN is the WLC than enable DHCP proxy since it is needed to use the build in option and make sure that under the interface the WLAN is linked to has the IP address of the WLC.
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
This is the start of a display filter cross reference between Wireshark
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