Installing a Network Module
C3850-NM-2-40G Module
The default port connections for the C3850-NM-2-40G module depends on whether you use a 40 G QSFP
module or a 4x10G breakout cable.
If you use a 40 G QSFP module, the ports default to 40 G interfaces. In this case, the 10 G interfaces are
displayed but not used.
Table 25: C3850-NM-2-40G Module with 40 G QSFP Module
Interface
FortyGigabitEthernet1/1/1
FortyGigabitEthernet1/1/2
TenGigabitEthernet1/1/1
TenGigabitEthernet1/1/2
TenGigabitEthernet1/1/3
TenGigabitEthernet1/1/4
TenGigabitEthernet1/1/5
TenGigabitEthernet1/1/6
TenGigabitEthernet1/1/7
TenGigabitEthernet1/1/8
If you use a 4x10G breakout cable, the ports default to 10 G interfaces.
Table 26: C3850-NM-2-40G Module with 4x10G breakout cable
Interface
FortyGigabitEthernet1/1/1
FortyGigabitEthernet1/1/2
TenGigabitEthernet1/1/1
TenGigabitEthernet1/1/2
TenGigabitEthernet1/1/3
Action
Configure this interface
Configure this interface
Disregard
Disregard
Disregard
Disregard
Disregard
Disregard
Disregard
Disregard
Action
Disregard
Disregard
Configure this interface
Configure this interface
Configure this interface
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
C3850-NM-2-40G Module
47