Users Guide

OpenFlow 1643
All (L3 Multicast) Group Type
L3 Multicast group entries are of OpenFlow ALL type. The action buckets
describe the interfaces to which multicast packet replicas are forwarded.
Figure 46-2 illustrates L3 Multicast group entries.
Figure 46-2. L3 Multicast Group Entry Usage
IP multicast packets are forwarded differently depending on whether they are
switched or routed. Packets must be switched in the VLAN in which they
came, and cannot be output to IN_PORT.
• Action Buckets
The action buckets contain the values shown in Table 46-17.
Table 46-17. L3 Multicast Bucket Actions
Field Argument Description
Set Field Output Port Write the L3 output interface. Required.
Set Field MAC_DST Write the next hop destination MAC. Optional.
Set Field MAC_SRC Write the source MAC corresponding to the L3
output interface. Optional.
Set Field VLAN-id Write the VLAN id corresponding to the L3 output
interface. Optional.
NOTE: For replication of non-IP packets, all of (MAC-Src, MAC-dest,
VLAN-ID) action bucket fields are to be left empty.