mld6query(8)
NAME
mld6query - send multicast listener query
SYNOPSIS
mld6query [-dr] intface [maddr]
DESCRIPTION
- The mld6query utility sends an IPv6 multicast listener dis
- covery (MLD)
query packet toward the specified multicast address, maddr, - toward interface intface. If you omit maddr, linklocal all nodes multi
- cast
address(ff02::1) is used. - After sending a query, mld6query waits for replies for at
- most 10 seconds. If a reply is returned, mld6query prints it with its
- type and then
waits for another reply. - This program is provided only for debugging. It is not nec
- essary for
normal use. - With -d, mld6query will transmit MLD done packet instead of
- MLD query
packet. With -r, similarly, MLD report packet will be - transmitted. -dr
options are for debugging purposes only.
RETURN VALUES
The program exits with 0 on success, non-zero on failures.
HISTORY
- The mld6query utility first appeared in WIDE/KAME IPv6 pro
- tocol stack
kit.
BUGS
- The mld6query utility does not take care of multicast ad
- dresses which
have non link-local scope. - BSD May 17, 1998