Chapter 6: Fabric Interconnect connectivity
Fabric Interconnect
The Avaya Virtual Services Platform 7000 Series provides Fabric Interconnect (FI) ports for Stack-
mode Distributed Top-of-Rack (DToR), or in rear port mode, Fabric-mode DToR, or Raw-mode
deployments. Stack-mode DToR supports up to eight VSP 7000 Series switches, providing
connectivity for up to 256 ports and 5.12 terabits per second of virtual backplane. Rear port modes
can support up to 200 VSP 7000 units. FI ports allow for high-bandwidth, scalable, and redundant
deployments of multiple VSP 7000 units. In Stack-mode DToR, you can efficiently manage the
Stack as a single unit. In Fabric-mode DToR, you can deploy multiple stand-alone VSP 7000 Series
units with Shortest Path Bridging (SPB) and topology-aware configurations.
Fabric Interconnect ports
The Fabric Interconnect ports are a component of the VSP 7000 Series back panel. Each switch
contains four Fabric Interconnect ports, supporting a total FI bandwidth of 640 gigabits per second
(Gbps) (aggregate) for each switch. The two FI-up ports can provide 320 Gbps (aggregate), and the
two FI-down ports can provide up to 320 Gbps (aggregate) of bandwidth. The FI ports support loop-
back tests through attached FI cables to a switch upstream or downstream. The FI ports can also
support port-type statistics for troubleshooting.
The following figure shows the location of the FI-down ports and the FI-up ports on a VSP 7000
Series switch back panel.
Figure 16: FI port labels
Note:
When operating in Stack-mode DToR, consider each pair of FI ports as a single connection.
You must use a pair of FI ports (two FI-up or two FI-down) and two FI cables connected to an
adjacent unit FI ports to establish adjacency between switches in a Stack.
When operating in Fabric-mode DToR, or Raw-mode, FI ports and FI cables do not need to be
connected in pairs. You can connect an FI port to the equivalent FI port of another VSP 7000
Series; you must connect the top FI port to the top FI port of another unit, and you must connect
the bottom FI port to the bottom FI port of another unit.
Fabric Interconnect cable
Fabric Interconnect cables are available in various lengths. The following FI cables are supported:
August 2014 Installing Avaya VSP 7000 Series 39
Comments? infodev@avaya.com
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