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Command: mld6query | Section: 8 | Source: NetBSD | File: mld6query.8
MLD6QUERY(8) FreeBSD System Manager's Manual MLD6QUERY(8)
NAME
mld6query - send multicast listener query
SYNOPSIS
mld6query [-dr] intface [maddr]
DESCRIPTION
mld6query sends an IPv6 multicast listener discovery (MLD) query packet
toward the specified multicast address, maddr, toward interface intface.
If you omit maddr, linklocal all nodes multicast 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 necessary 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.
EXIT STATUS
The mld6query utility exits 0 on success, and >0 if an error occurs.
HISTORY
The mld6query command first appeared in WIDE/KAME IPv6 protocol stack
kit.
BUGS
mld6query does not take care of multicast addresses which have non link-
local scope.
FreeBSD 14.1-RELEASE-p8 May 17, 1998 FreeBSD 14.1-RELEASE-p8