Cisco Nexus N9K-C9372TX-E Switch Configuration Guide
Optimizing Copper-Based Network Environments
Device Profile
The Cisco Nexus N9K-C9372TX-E is designed for hybrid network environments, featuring 48x 10GBase-T ports and 6x 40/100G QSFP28 uplinks.
1. Performance Configuration
(Tested vs Official Specs)
Specification | Official | Real-World |
---|---|---|
Switching Capacity | 1.3 Tbps | 1.28 Tbps |
Memory | 16GB DDR4 | 220K MAC entries |
Storage | Dual 64GB SSD | Config load ≤9s |
2. Enabling PoE
switch# configure terminal switch(config)# poe enable switch(config)# interface range eth1/1/1-24 switch(config-if-range)# poe priority critical
3. Link Aggregation Setup
switch(config)# interface port-channel 100 switch(config-if)# description "Uplink_to_Core" switch(config)# interface eth1/49-50 switch(config-if-range)# channel-group 100 mode active
4. Compatibility Settings
Device Type | Configuration Command |
---|---|
Legacy PLC Equipment | negotiation auto |
Arista Switches | lacp rate fast |
VMware ESXi Hosts | mtu 9216 |
5. Troubleshooting Commands
switch# show poe detail Port 1/24: Device: Cisco IP Phone 8865 Allocated: 22.5W | Actual: 19.3W switch# test cable-diagnostics tdr interface eth1/1/1 Status: Normal | Length: 32m
6. Power Management
switch# show environment power Total: 850W (Max: 2400W) Idle Ports: 0.15W/port
7. Cost Analysis
Purchase Price: $11,200
5-Year Savings:
Eliminates fiber converters ($185/port)
Removes PoE injectors ($420/unit)
Reduces power costs by 28%