# Monitoring IPv6 Multicast

IPv6 multicast enables a device to send packets to a group of hosts rather than to a list of individual hosts. This chapter describes how to monitor IPv6 multicast on the E Series router; it contains the following sections:

- Monitoring Available IPv6 Routes for Reverse-Path Forwarding
- Monitoring IPv6 Hardware Multicast Packet Replication
- Monitoring IPv6 Multicast Forwarding Entries
- Monitoring Active IPv6 Multicast Routes
- Monitoring Multicast Routes on Virtual Router Ports
- Monitoring IPv6 Multicast Entries in a Source or Group
- Monitoring Join Interface Details when IPv6 OIF Mapping is Configured
- Monitoring IPv6 Multicast Statistics
- Monitoring Summary Information of IPv6 Multicast Routes
- Monitoring IPv6 Multicast Protocols Enabled on the Router
- Monitoring Summary Information of IPv6 Multicast Protocols Enabled on the Router
- Monitoring IPv6 Multicast Status on a Virtual Router