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It accepts the following commands, interactively, or as part of a scripted input file (useful for automated testing):
| a ifname mac-addr | Join the link-layer group address mac-addr on interface ifname. The group address should be in IEEE 802 MAC format, delimited by colon (':') characters. |
| d ifname mac-addr | Leave the link-layer group address mac-addr on interface ifname. |
| m ifname 1/0 | Set or reset ALLMULTI mode on interface ifname. This option is deprecated and is now a no-op. |
| p ifname 1/0 |
Set or reset promiscuous mode on interface
ifname.
|
| j mcast-addr ifname [source-addr] | |
|
Join the multicast address
mcast-addr
on the interface with name
ifname.
If an optional source source-addr is specified, a source-specific join will be performed; if mtest is already joined to the multicast address, the source will be added to its filter list.
| |
| l mcast-addr ifname [source-addr] | |
| Leave the multicast address mcast-addr on the interface with address ifname. If a source source-addr is specified, only that source will be left. | |
| i mcast-addr ifname n source-addr ... | |
| Set the socket with membership of mcast-addr on interface ifname to include filter mode, and add n sources beginning with source-addr to the inclusion filter list. | |
| e mcast-addr ifname n source-addr ... | |
| Set the socket with membership of mcast-addr on interface ifname to exclude filter mode, and add n sources beginning with source-addr to the exclusion filter list. | |
| t mcast-addr ifname source-addr | |
| Set the socket with membership of mcast-addr on interface ifname to block traffic from source source-addr. | |
| b mcast-addr ifname source-addr | |
|
Set the socket with membership of
mcast-addr
on interface
ifname
to allow traffic from source
source-addr.
| |
| g mcast-addr ifname n | |
|
Print
n
source filter entries for
mcast-addr
on interface
ifname.
| |
| f filename | Read commands from the file filename. |
| s n | Sleep for n seconds. |
| ?amp; | List legal commands. |
| q | Quit the program. |
To support IPv6, all commands have now changed to accept an interface name rather than an interface address. For IPv4, the program will perform a lookup of the primary IP address based on the interface name. This may fail if no primary IP address is assigned.
, , , RFC 3678, Socket Interface Extensions for Multicast Filters,
| MTEST (8) | April 29, 2009 |
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