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38 Fabric Watch Administrator’s Guide
53-1002752-01
Fabric monitoring guidelines and default settings
6
Fabric monitoring setting guidelines
It is recommended that you leave the entire Fabric class in its default state (no alerts) for the
following reasons:
• Domain ID changes
Plan and use strict change control practices to avoid Domain ID changes.
• Loss of E_Port
Detect if an E_Port is down using the E_Port class areas.
• Fabric logins
In a large environment of numerous devices, this area is of no interest.
• Fabric reconfiguration
Fabric reconfigurations typically occur when new switches are added to a fabric, which is a
planned activity, or when an upstream or downstream ISL fails, which is detected through the
E_Port class areas. Since fabric reconfigurations are monitored elsewhere, don’t change the
default settings for the Fabric class.
• Segmentation changes
Segmentations only occur in the event of an entire switch failure. In this rare case, you can
gather multiple reports from all the attached E_Ports of the link failures.
• Zoning changes
Zone changes are captured through the Audit facility in Fabric OS. All zone changes can be
configured to be recorded in the RASlog, which is the recommended practice.
Segmentation changes
(SC)
Tracks the cumulative number of segmentation changes. Segmentation changes occur
because of one of the following:
• Zone conflicts.
• Incompatible link parameters. During E_Port and VE_Port initialization, ports
exchange link parameters, and incompatible parameters result in segmentation.
This is a rare event.
• Domain conflicts.
• Segmentation of the principal link between two switches.
Zone changes (ZC) Tracks the number of zone changes. Because zoning is a security provision, frequent
zone changes might indicate a security breach or weakness. Zone change messages
occur whenever there is a change in zone configurations.
TABLE 3 Fabric class areas (Continued)
Area Description
- Fabric Watch 1
- Document History 3
- Contents 5
- Chapter 7 Port Monitoring 7
- Chapter 8 System Monitoring 8
- 53-1002752-01 10
- About This Document 15
- What’s new in this document 16
- Document conventions 17
- Notes, cautions, and warnings 18
- Key terms 18
- Additional information 19
- Getting technical help 19
- Document feedback 20
- Fabric Watch overview 22
- Role-based access control 22
- Fabric Watch licensing 22
- Event behavior configuration 23
- Alert configuration 23
- Time base configuration 24
- Monitoring 24
- Post-processing of messages 24
- Switch monitoring components 25
- Security monitoring 26
- SFP monitoring 26
- Port monitoring 26
- System resource monitoring 27
- Logical switch support 28
- Fabric Watch event settings 29
- SNMP traps 30
- RASlog (switch event) 30
- Fabric Watch audit messages 31
- Data values 31
- • Fabric 32
- • Security 32
- • E_Port (Port subclass) 32
- • VE_Port (Port subclass) 32
- Fabric Watch Thresholds 33
- Threshold triggers 34
- Above event trigger 35
- Below event trigger 35
- Audit and RASlog messages 35
- Time bases 36
- Fabric Watch alarm behavior 37
- Elements 40
- Class Description 41
- Fabric Watch Activation 43
- FIGURE 6 Example OID tree 47
- Fabric Watch Configuration 49
- Disabling an e-mail alert 52
- Enabling an e-mail alert 52
- Sending a test e-mail message 53
- Notification configuration 54
- FW: Alarms are enabled 55
- Area Description 58
- Fabric class default settings 59
- Security class areas 60
- Threshold state 61
- SFP class areas 63
- • Send an SNMP alarm 66
- • Log a RASlog message 66
- • Send an e-mail alert 66
- Configuration recommendation 67
- 16 Gbps and QSFP monitoring 68
- Monitoring the SFP and QSFP 69
- Security classes 72
- Port Monitoring 75
- Port class default settings 77
- Port configuration 78
- Using the nosave command 79
- Port type: physical port 79
- <[slot/]port> 81
- E_Port class default settings 82
- • Area: Loss of Signal Count 84
- Port fencing 89
- Port fencing configuration 90
- Enabling port fencing 91
- Disabling port fencing 91
- Port fencing requirements 92
- System Monitoring 95
- 76 53-1002752-01 96
- Resource class settings 97
- Environment class settings 99
- CPU and memory 100
- Switch monitoring 101
- Switch status policy planning 102
- Monitor Health factors 103
- FRU monitoring 104
- Recommended FRU settings 106
- In this chapter 107
- • Polling Interval 108
- • Usage Limit 108
- • No. of Retries 108
- Configuring threshold traits 109
- Configuring threshold alarms 110
- Displaying alarms 113
- Enabling the e-mail alert 114
- Disabling the e-mail alert 115
- Fabric Watch Reports 117
- Switch Health report 119
- Switch Status Policy report 120
- Port Detail report 121
- Report item Description 122
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