- Related Topics
- data-mdt-reuse
Enabling Dynamic Reuse of Data MDT Group Addresses
This section describes how to enable dynamic reuse of data multicast distribution tree (MDT) group addresses.
A limited number of multicast group addresses are available for use in data MDT tunnels. By default when the available multicast group addresses are all used, no new data MDTs can be created.
You can enable dynamic reuse of data MDT group addresses. Dynamic reuse of data MDT group addresses allows multiple multicast streams to share a single MDT and multicast provider group address. For example, three streams can use the same provider group address and MDT tunnel.
To enable dynamic reuse of data MDT group addresses, include the data-mdt-reuse statement:
The streams are assigned to a particular MDT in a round-robin fashion. Since a provider tunnel might be used by multiple customer streams, this can result in egress routers receiving customer traffic that is not destined for their attached customer sites.