6
To configure 10G ports to function as 40G ports, you need to use adapter cables that connect four 10G
SFP+ ports of the switch on one end to a 40G QSFP port of the switch on the other end.
Catalyst 6824-X-LE-40G
Figure 7: 10G native port numbering
Table 4: Port mapping for Catalyst 6824-X-LE
Configurable 40-Gigabit ports
7
10-Gigabit ports
351, 2, 3, and 4
365, 6, 7, and 8
379, 10, 11, and 12
3813, 14, 15, and 16
3917, 18, 19, and 20
4021, 22, 23, and 24
Configurable 10-Gigabit ports
8
40-Gigabit native ports
27, 28, 29, and 3025
31, 32, 33, and 3426
7
To configure 10G ports to function as 40G ports, you need to use adapter cables that connect four 10G
SFP+ ports of the switch on one end to a 40G QSFP port of the switch on the other end.
8
To configure 40G ports to function as 10G ports, you need to use Cisco QSFP to four SFP+ Active
Optical Breakout Cables that connect a 40G QSFP port of the switch on one end to four 10G SFP+ ports
of the switch on the other end.
Catalyst 6840-X Switch Series Hardware Installation Guide
11
Product Overview
SFP and SFP+ Transceiver Module Ports