All ports are color coded in the chassis for ease of access; for example, the 10G SFP+ Ports are in pink, the
25G SFP+ Ports are in yellow, and the 100G QSFP28 Ports are in green.
Note
Interface Naming
The following table shows the interface naming of the Cisco N540-24Z8Q2C-M ports:
Table 1: Port Numbering
40G/100G ports
(QSFP28)
1G/10G/25G Dual rate ports (SFP28)
1G/10G Dual rate ports (SFP+)
1/0
30
28
26
24
2
2
2
0
1
8
1
6
1
4
1
2
1
0
8
6
4
2
0/0
1/1
0/31
29
27
25
2
3
2
1
1
9
1
7
1
5
1
3
1
1
9
7
5
3
1
• Port 0 – 23: Dual rate ports, which can act as 1G or 10G also includes Copper and DWDM.
• Port Numbering: Gig/Te 0/0/0/<0-23>
• Port 24-31: Dual rate ports, which can act as 1G or 10G or 25G.
• Port Numbering: Gig/Te/Twe 0/0/0/<24-31>
• For the ports 24-31, a quad configuration is required to bring-up the ports as 1G/10G
• By default, all ports will come up as 25G
• Use the command
hw-module quad 0 location 0/0/CPU0 mode
to change to 10G
• Copper optics is not supported in these 8 ports, 24-31
• Do not combine 1G or 10G with 25G in a quad, quad 1: 24-27 and quad 2: 28-31
• Port 32-33: 40G or 100G ports.
• Port Numbering: Hu 0/0/1/<0-1>
Dual-Rate functionality is supported only with the Supported SFP.
Note
Table 2: Maximum Number of Inerfaces
Port Number
Maximum
Interface
Category
0/0 - 23
24
100ME
copper
Cisco NCS 540 Router Hardware Installation Guide
10
Cisco NCS 540 Router Overview
Interface Naming
