# Uses of Interface
org.xnio.channels.MulticastMessageChannel.Key

Packages that use MulticastMessageChannel.Key
Package
Description
org.xnio.channels
The core XNIO channel API.

## Uses of MulticastMessageChannel.Key in org.xnio.channels

Methods in org.xnio.channels that return MulticastMessageChannel.Key
Modifier and Type
Method
Description
`MulticastMessageChannel.Key`
MulticastMessageChannel.Key.`block(InetAddress source)`
Block multicast packets from the given source address.
`MulticastMessageChannel.Key`
MulticastMessageChannel.`join(InetAddress group, NetworkInterface iface)`
Join a multicast group to begin receiving all datagrams sent to the group.
`MulticastMessageChannel.Key`
MulticastMessageChannel.`join(InetAddress group, NetworkInterface iface, InetAddress source)`
Join a multicast group to begin receiving all datagrams sent to the group from a given source address.
`MulticastMessageChannel.Key`
MulticastMessageChannel.Key.`unblock(InetAddress source)`
Unblock multicast packets from the given source address that was previously blocked using the `block(InetAddress)` method.