Brocade Multi-Service IronWare Software Defined Networking (SDN) Configuration Guide (Supporting R05.6.00) - Manual (Page 18)

8 Multi-Service IronWare SDN Configuration Guide
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Hybrid switch and OpenFlow hybrid port mode
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• An action to modify the VLAN priority of an untagged frame will result in a VLAN tag being
added to the frame. If the action does not specify a VLAN ID value, the VLAN ID will be set to 0.
• The action to modify IP DSCP is only supported for flows on ports enabled for Layer 3 mode.
• Matching a VLAN ID on a Layer 3 mode port is only supported for packets with an IP payload.
Hybrid switch and OpenFlow hybrid port mode
Hybrid Switch Mode
The Brocade device supports enabling OpenFlow on a per-port basis, so you can choose which
ports of the device will be controlled by the OpenFlow feature. Non-OpenFlow-enabled ports
continue to support existing features of the device such as MPLS, VPLS, IPv4 or IPv6 routing Layer
2 switching.
Hybrid Port Mode
OpenFlow hybrid-enabled ports support both OpenFlow traffic forwarding and normal routing traffic
forwarding. OpenFlow hybrid-enabled ports support "protected VLANs" and "unprotected VLANs”.
Protected VLANs are not subject to defined OpenFlow flows on the OpenFlow hybrid-enabled ports.
OpenFlow flows on a hybrid-enabled port will not match any traffic on protected VLANs.
Unprotected VLANs are subject to defined OpenFlow flows on the OpenFlow hybrid-enabled port.
OpenFlow flows on a hybrid-enabled port are allowed to match on the traffic of unprotected VLANs.
Figure 3 shows a topology in which port 1/1 on Device-1 and port 1/4 on Device-2 are
hybrid-enabled OpenFlow ports with VLAN 10 as a configured protected VLAN. By configuring a
virtual ethernet on a protected VLAN 10 and assigning an address to route the traffic of the nodes,
you are able to send protected VLAN traffic between the nodes and route the traffic as per the
virtual interface. Traffic flowing on other VEs created on top of other VLANs (the unprotected VLANs
) treated as unprotected VLAN traffic and is subject to OpenFlow rules lookup. OpenFlow traffic can
be forwarded through this port.
FIGURE 3 OpenFlow hybrid port mode topology