Reference Guide

914 | Z-Series Debugging and Diagnostics
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Figure 48-14. Displaying Drop Counter Statistics
FTOS#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
FTOS#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
Display drop counters with the show hardware stack-unit drops unit port command
Figure 48-15. Displaying Drop Counters
Z9000-B4#show hardware stack-unit 0 drops unit 2
UserPort PortNumber Ingress Drops IngMac Drops Total Mmu Drops EgMac Drops Egress Drops
64 1 0 0 0 0 0
65 2 0 0 0 0 0
66 3 0 0 0 0 0
67 4 0 0 0 0 0
68 5 0 0 0 0 0
69 6 0 0 0 0 0
70 7 0 0 0 0 0
...
Internal 39 0 0 0 0 0
Internal 40 0 0 0 0 0
Internal 41 0 0 0 0 0
value = 0 = 0x0
Dataplane Statistics
The show hardware stack-unit cpu data-plane statistics command provides insight into the packet
types coming to the CPU. As shown in the following example, the command output has been augmented,
providing detailed RX/TX packet statistics on a per-queue basis. The objective is to see whether
CPU-bound traffic is internal (so-called party bus or IPC traffic) or network control traffic, which the CPU
must process.