twping failed to test IPV6.

[fangzi-cmd]

twping: FILE=owping.c, LINE=1757, Unable to open control connection to 240e:384:443:df10:fc62:fc87:4c67:bae2.

[aparna-venugopal]

@fangzi-cmd , Are you using the following format for IPv6 address in the client and server? [IPV6_addr]:port
This works for me. (in version 4.2.0)