Yes, Exit is required. I did have to bring your commands into Notepad and remove padding before the exits. Once removed it pasted without issue.
IAP-6x-205H-Standalone (config) #
IAP-6x-205H-Standalone (config) # wlan auth-server MYAUTHSERVER
IAP-6x-205H-Standalone (Auth Server "MYAUTHSERVER") # ip 10.25.9.20
IAP-6x-205H-Standalone (Auth Server "MYAUTHSERVER") # port 1812
IAP-6x-205H-Standalone (Auth Server "MYAUTHSERVER") # acctport 1813
IAP-6x-205H-Standalone (Auth Server "MYAUTHSERVER") # timeout 10
IAP-6x-205H-Standalone (Auth Server "MYAUTHSERVER") # key 41025146bfd523a420b45552619bf5
IAP-6x-205H-Standalone (Auth Server "MYAUTHSERVER") # rfc3576
IAP-6x-205H-Standalone (Auth Server "MYAUTHSERVER") # cppm-rfc3576-port 3799
IAP-6x-205H-Standalone (Auth Server "
MYAUTHSERVER") # exitIAP-6x-205H-Standalone (config) # wlan auth-server MYOTHERAUTHSERVER
IAP-6x-205H-Standalone (Auth Server "MYOTHERAUTHSERVER") # ip 10.25.1.20
IAP-6x-205H-Standalone (Auth Server "MYOTHERAUTHSERVER") # port 1812
IAP-6x-205H-Standalone (Auth Server "MYOTHERAUTHSERVER") # acctport 1813
IAP-6x-205H-Standalone (Auth Server
"MYOTHERAUTHSERVER") # exitIAP-6x-205H-Standalone (config) #
IAP-6x-205H-Standalone (config) #
------------------------------
Philip Wightman, ACEX (AMFX) #69. Aruba Partner Ambassador
------------------------------