Hybrid OpenFlow Switch
Router Configuration Guide 657
• L3 IES service interfaces
• L3 Network interfaces in base router context
• L3 VPRN service interfaces
• L2 VPLS service interfaces
• System ACL filters
OpenFlow functionality is supported in addition to all existing functionality on a given
interface and can be enabled with no impact on forwarding performance. Operators can move
from CLI/SNMP programmed steering rules to OpenFlow operational model in service
without service disruption.
Redundant Controllers and Multiple Switch Instances
The operator can configure one or more instances of an H-OFS (using SNMP/CLI interfaces)
with each instance controlled by an OF-controller over a unique OF channel (using openflow
protocol). One OF controller can control multiple H-OFS instances (using dedicated
channels), or a dedicated OF controller per switch can be deployed. For each switch, up to
two OF controllers can be deployed for redundancy. If two controllers are programmed, they
can operate in either OFPCR_ROLE_EQUAL roles or in OFPCR_ROLE_MASTER and
OFPCR_ROLE_SLAVE roles. Figure 27 depicts this architecture:
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