Catalyst 6840-X-LE-40G
Figure 8: 10G native port numbering
Table 5: Port mapping for Catalyst 6840-X-LE
Configurable 40-Gigabit ports
9
10-Gigabit ports
511, 2, 3, and 4
525, 6, 7, and 8
539, 10, 11, and 12
5413, 14, 15, and 16
5517, 18, 19, and 20
5621, 22, 23, and 24
5725, 26, 27, and 28
5829, 30, 31, and 32
5933, 34, 35, and 36
6037, 38, 39, and 40
Configurable 10-Gigabit ports
10
40-Gigabit native ports
43, 44, 45,, and 4641
47, 48, 49, and 5042
9
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.
10
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
12
Product Overview
SFP and SFP+ Transceiver Module Ports