• Display drop counters.
show hardware stack-unit drops unit port
• Identify which interface is experiencing internal drops.
show hardware drops interface interface
Example of the show hardware stack-unit Command to View Drop Counters Statistics
Dell#show hardware stack-unit 0 drops
UNIT No: 0
Total Ingress Drops :0
Total IngMac Drops :0
Total Mmu Drops :0
Total EgMac Drops :0
Total Egress Drops :0
UNIT No: 1
Total Ingress Drops :0
Total IngMac Drops :0
Total Mmu Drops :0
Total EgMac Drops :0
Total Egress Drops :0
Dell#show hardware stack-unit 0 drops unit 0
Port# :Ingress Drops :IngMac Drops :Total Mmu Drops :EgMac Drops :Egress
Drops
1 0 0 0 0 0
2 0 0 0 0 0
3 0 0 0 0 0
4 0 0 0 0 0
5 0 0 0 0 0
6 0 0 0 0 0
7 0 0 0 0 0
8 0 0 0 0 0
Example of show hardware drops interface interface
Dell#show hardware drops interface tengigabitethernet 2/1
Drops in Interface Te 2/1:
--- Ingress Drops ---
Ingress Drops : 0
IBP CBP Full Drops : 0
PortSTPnotFwd Drops : 0
IPv4 L3 Discards : 0
Policy Discards : 0
Packets dropped by FP : 0
(L2+L3) Drops : 0
Port bitmap zero Drops : 0
Rx VLAN Drops : 0
--- Ingress MAC counters---
Ingress FCSDrops : 0
Ingress MTUExceeds : 0
--- MMU Drops ---
Ingress MMU Drops : 0
HOL DROPS(TOTAL) : 0
HOL DROPS on COS0 : 0
HOL DROPS on COS1 : 0
HOL DROPS on COS2 : 0
HOL DROPS on COS3 : 0
HOL DROPS on COS4 : 0
HOL DROPS on COS5 : 0
HOL DROPS on COS6 : 0
HOL DROPS on COS7 : 0
HOL DROPS on COS8 : 0
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S-Series Debugging and Diagnostics