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Connecting Leaf Switches to Spine Switches
• For a VIC 1455 SFP28 module, 10-Gigabit only, use one of the following sets of transceivers and cables:
• Cisco 10GBASE-LR transceivers (SFP-10G-LR) supporting a link length of up to 6.1 miles (10 km)
• Cisco 10GBASE-SR transceivers (SFP-10G-SR) supporting the following link lengths:
• Using 2000 MHz MMF (OM3) for up to 984 feet (300 m)
• Using 4700 MHz MMF (OM4) for up to 1312 feet (400 m)
• Cisco SFP+ Active Optical Cables (SFP-10G-AOCxM [where x=1, 2, 3, 5, 7, or 10 for lengths in meters])
• Cisco SFP+ Twinax Cables (SFP-H10GB-CUxM [where x=1, 2, 3, 5, 7, or 10 for lengths in meters])
Note
The VIC 1455 has 4 ports, port-1, port-2, port-3, and port-4 from left to right.
• All ports must have the same speed, either 10-Gigabit or 25-Gigabit.
• Port-1 and port-2 is one pair, corresponding to eth2-1 on APIC and port-3 and port-4 is another pair,
corresponding to eth2-2 on APIC. Only one connection is allowed for each pair. For example, you can connect
one cable to either port-1 or port-2, and connect another cable to either port-3 or port-4 (please do not connect
two cables on any pair).
To determine which transceivers, adapters, and cables are supported by this switch, see
http://www.cisco.com/c/en/us/support/interfaces-modules/transceiver-modules/products-device-support-tables-list.html.
To see the transceiver specifications and installation information, see
http://www.cisco.com/c/en/us/support/interfaces-modules/transceiver-modules/products-installation-guides-list.html.
Step 2
Connect the other end of the interface cable to a downlink port on a leaf switch.
• For a Cisco 10GBASE-LR or -SR transceiver and cable, insert the transceiver into a downlink optical port on a leaf
switch before connecting the cable to the transceiver.
• For Cisco SFP+ Active Optical Cables, insert the transceiver on the cable into a downlink optical port on a leaf
switch.
• For a 10GBASE-T copper cable, insert the RJ-45 connector on the cable into a downlink BASE-T port on a leaf
switch.
To determine which transceivers and cables are supported by this switch, see
Note
http://www.cisco.com/c/en/us/support/interfaces-modules/transceiver-modules/products-device-support-tables-list.html.
Connecting Leaf Switches to Spine Switches
For optimal forwarding between endpoints, you must connect each leaf switch to every spine switch in the
same ACI fabric.
To determine which transceivers, adapters, and cables are supported by this switch, see
http://www.cisco.com/c/en/us/support/interfaces-modules/transceiver-modules/products-device-support-tables-list.html.
To see the transceiver specifications and installation information, see
http://www.cisco.com/c/en/us/support/interfaces-modules/transceiver-modules/products-installation-guides-list.html.
Cisco Nexus 9336PQ ACI-Mode Switch Hardware Installation Guide
28
Connecting the Switch to the ACI Fabric
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