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Chapter 24
Configuring IP Storage
VRRP
displays a VRRP-based high availability FCIP configuration example. This configuration, requires at
least two physical Gigabit Ethernet ports connected to the Ethernet switch on the island where you need
to implement high availability using VRRP.
Figure 24-16
The following characteristics set VRRP solutions apart from other solutions:
•
•
•
Ethernet PortChannels
Figure 24-17
addresses the problem caused by individual Gigabit Ethernet link failures.
Figure 24-17
The following characteristics set Ethernet PortChannel solutions apart from other solutions:
•
•
•
OL-7753-01
VRRP-Based High Availability
FC fabric
IP interfaces are in VRRP group
If the active VRRP port fails, the standby VRRP port takes over the VRRP IP address.
When the VRRP switchover happens, the FCIP link automatically disconnects and reconnects.
This configuration has only one FCIP (E)ISL link.
displays a Ethernet PortChannel-based high availability FCIP example. This solution
Ethernet PortChannel-Based High Availability
FC fabric
Ethernet ports are
in PortChannel
The Gigabit Ethernet link level redundancy ensures a transparent failover if one of the Gigabit
Ethernet links fails.
Two Gigabit Ethernet ports in one Ethernet PortChannel appears like one logical Gigabit Ethernet
link.
The FCIP link stays up during the failover.
FCIP link
IP
network
FCIP link
IP
network
Cisco MDS 9000 Fabric Manager Switch Configuration Guide
Configuring FCIP
FC fabric
FC fabric
24-23
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