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Installing or Replacing a Line-Card Expansion Module (LEM)
Note
Installing or Replacing a Line-Card Expansion Module (LEM)
The switch can operate with one or more Line-card Expansion Modules (LEMs) installed in the chassis. If
there is at least one LEM installed and operating in the chassis, you can replace another LEM or install a new
LEM in an empty slot.
Note
Caution
Warning
Cisco Nexus 9408 NX-OS Mode Switch Hardware Installation Guide
34
Attach each interface cable to the appropriate port on the module. Use the label on each cable to determine
to which port each cable attaches.
Limitation: N9K-X9400-16W has a limitation on link bring up for 10G/40G and 10G/100G when connecting
ports that are next to each other.
if port 1 is connected with 10G, and if 40G or 100G is connected in port2 then port 2 will be
To recover port 2 from
hw-disabled
port-2
Eth4/3 -- hwdisabled trunk full inherit QSFP-H40G-CU5M
Eth4/4 -- connected routed full 10G SFP-H10GB-AOC1M
ifav132-leaf18-sl# show int ethernet 4/3-4 status
Eth4/3 -- out-of-ser trunk full 40G QSFP-H40G-CU5M
Eth4/4 -- hwdisabled routed full inherit SFP-H10GB-AOC1M
ifav132-leaf18-sl# show int ethernet 6/7-8 status
------------------------------------------------------------------------------------------------
Port Name Status Vlan Duplex Speed Type
------------------------------------------------------------------------------------------------
Eth6/7 -- out-of-ser trunk full 10G 10Gbase-SR
Eth6/8 -- hwdisabled trunk full inherit QSFP-100G-CWDM4
ifav132-leaf18-sl# show int ethernet 6/7-8 status
------------------------------------------------------------------------------------------------
Port Name Status Vlan Duplex Speed Type
------------------------------------------------------------------------------------------------
Eth6/7 -- hwdisabled trunk full inherit 10Gbase-SR
Eth6/8 -- out-of-ser trunk full 100G QSFP-100G-CWDM4
Once a LEM is removed, you must wait at least 10 seconds before you insert a new one. Once the LEM is
inserted, the
retimer init
retimer cannot access LEM MIFPGA
Statement 1034 Backplane Voltage
Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when
servicing.
, you need to remove 10G from port 1 and you need to do OIR once on
program will be started in MIFPGA. Any removal or disturbance would cause
and a crash can happen.
Replacing Modules
.
hw-disabled
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