ok seems like the wlc doesnt want an underscore.... i tried below and it accepted the TESTNAME. but weirdly the hostname configured during the initial configuration has an underscore on it.
(Cisco Controller) >config sysname DC1_01A_WLC1
Hostname is not compliant to RFC !. Hostname can contain max of 24 characters namely Upper/lowercase letters,numbers,dot,hyphen. Hostname should always start with an alphabet and should not end with '.' or '-'.
(Cisco Controller) >config sysname TESTNAME Warning! System name change will disrupt the existing RF Grouping. (Cisco Controller) >show sysinfo
The screenshot posted specifically states "Hostnames can contain max of 24 characters namely upper/lowercase letters, numbers, dot and hyphen". Nowhere does it state that underscores are allowed/accepted.
and why there is this restriction on this new firmware? who ever doing the wlc os programming should just leave the hostname modification alone. its just a hostname. we did ap priming for 9aps already, what if we did that for 100 of aps, that will be pain in the arse to redo it.
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