Administrator Guide

Table Of Contents
Troubleshooting Packet Loss
The show hardware stack-unit commands are intended primarily to troubleshoot packet loss.
show hardware stack-unit cpu data-plane statistics
show hardware stack-unit cpu party-bus statistics
show hardware stack-unit 0-7 drops unit 0-5 port 0-49
show hardware stack-unit 0-7 unit 0-5 {counters | details | port-stats [detail] |
register | execute-shell-cmd | ipmc-replication | table-dump}:
show hardware {layer2| layer3} {e.g. acl |in acl} stack-unit 0-7 port-set 0-5
show hardware layer3 qos stack-unit 0-7 port-set 0-5
show hardware ipv6 {e.g.-acl |in-acl} stack-unit 0-7 port-set 0-5
show hardware system-flow layer2 stack-unit 0-7 port-set 0-5 [counters]
clear hardware stack-unit 0-7 counters
clear hardware stack-unit 0-7 unit 0-5 counters
clear hardware stack-unit 0-7 cpu data-plane statistics
clear hardware stack-unit 0-7 cpu party-bus statistics
Displaying Drop Counters
To display drop counters, use the following commands.
Identify which stack unit, port pipe, and port is experiencing internal drops.
show hardware stack-unit 07 drops [unit 05 [port 041]]
Display drop counters.
show hardware stack-unit drops unit port
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
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
...
Z-Series Debugging and Diagnostics
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