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74 Brocade Adapters Troubleshooting Guide
53-1001253-01
QoS and target rate limiting settings (HBA only)
3
1. Select a port from the device tree.
2. Select Configure > FC-SP > Authentication.
The Fibre Channel Security Protocol Configuration dialog box displays. This displays the current
CHAP secret, hashing algorithm, and group value.
Displaying authentication settings through BCU
Use the BCU auth --show command to display authentication settings.
auth --show <port_id>
where:
port_id ID of the port for which you want to display authentication settings.
QoS and target rate limiting settings (HBA only)
Target rate limiting throttles the Fibre Channel Protocol (FCP) read traffic rate to slow-draining
targets to reduce or eliminate network congestion and alleviate I/O slowdowns to faster targets.
Quality of Service (QoS) works in conjunction with the QoS feature on Brocade switches to assign
traffic priority (high, medium (default), low) to a given source and destination traffic flow.
Determining QoS and other settings through BCU
Use the following BCU commands to determine current status and configuration for QoS and target
rate limiting settings:
• Use the following BCU command to determine Target Rate Limiting speed and enabled status.
ratelim --query <port-id>
where:
port_id ID of the port for which you want to display target rate limiting settings.
• Use the following BCU command to display QoS and target rate limiting enabled status and
target rate limiting default speed.
port --query <port-id>
where:
port_id ID of the port for which you want to display port information.
• Use the following command to display QoS status and information for a port.
qos --query <port_id>
where:
port_id ID of the port for which you want to display target rate limiting settings.
• Use the following command to determine operating speed of the remote port, QoS priority, and
target rate limiting enforcement:
rport --query <port_id> <rpwwn>
- Brocade Adapters 1
- Document History 2
- Contents 3
- About this Document 9
- CNA support 10
- Fabric OS and switch support 10
- Host operating system support 10
- HBA support 11
- What’s new in this document 12
- Document conventions 13
- Notes, cautions, and warnings 14
- Key terms 14
- Notice to the reader 15
- Additional information 15
- Providing details for support 16
- Command Function 17
- Document feedback 18
- In this chapter 19
- Gathering problem information 20
- TABLE 1 Topology map details 21
- Isolating Problems 23
- How to use this chapter 24
- Isolate adapter problems 24
- General HBA and CNA problems 26
- Port link is not active 27
- • The agent is not running 30
- BCU version mismatch warning 33
- HBA problems 34
- UEFI boot problems 35
- • Reseat the adapter 36
- BIOS boot problems 37
- LUN not visible from host 38
- Configuration menu 38
- • nm-tool 40
- Poor network performance 45
- FCoE link is down 48
- CEE is not enabled 50
- Application Tool References 51
- Information Chapter 52
- Tools for Collecting Data 57
- Data to provide support 58
- Support Save 60
- Support Save differences 62
- • authUtil 63
- • cfgShow 63
- Adapter event messages 65
- Host system logs 66
- HCM logs 67
- Logging levels adjustment 68
- Port logging level 69
- Statistics 70
- CEE statistics (CNA only) 71
- CEE query (CNA only) 71
- FCoE statistics (CNA only) 74
- Fabric statistics 74
- IOC statistics 75
- Logical port statistics 76
- Port statistics 77
- Remote port statistics 77
- VLAN Statistics (CNA only) 79
- Diagnostics 80
- • Internal 81
- • External 81
- PCI loopback test 83
- Memory test 84
- Adapter temperature 84
- Ping end points 84
- Trace route 85
- Echo test 86
- SCSI test 86
- Collecting SFP data 87
- Collecting port data 88
- Authentication settings 91
- Persistent binding 93
- Performance optimization 95
- Solaris tuning 96
- Windows tuning 96
- Tuning network drivers 97
- Linux tuning 98
- VMware tuning 99
- 53-1001253-01 100
- Event Message Reference 101
- TABLE 9 Driver event messages 102
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