2.4.1. Lab – Support, Status and Logs¶
2.4.1.1. Task – Qkview and iHealth¶
Open System->Support page.
Ensure QKView is selected then click Start.
Download snapshot file and upload ihealth.f5.com (login is required).
Attention
Q1. Are logs associated with qkview?
From ssh window run qkview
Attention
Q2. Where is default filename and location of qkview output?
Q3. Where is the default filename and location of core dump?
Q4. What is Severity and Condition for unit failure in active/standby pair?
Q5. If support case was opened online with Severity 4 and no call has been received in a week. What should you do?
Q6. What is the procedure to escalate support case?
2.4.1.2. Task – Network Map¶
Explain status icons of objects on network map.
- Open Local Traffic > Network Map and hover over icons and observe status info.
- Ensure all icons are green. If not, then troubleshoot.
Note the top-down status relationship between VS, pools, pool members and nodes.
Attention
Q1. What is a node?
Open Local Traffic > Nodes and disable node 10.1.20.11.
Attention
Q2. What icon is reflected for 10.1.20.11 on the Network map?
Q3. What is the color of the icons? Why?
Q4. Does ftp_vs still work as expected?
Attach irule to virtual server via Network Map.
- Select www_vs from Network Map.
- Select Resources > Manage irules.
- Enable _sys_https_redirect irule and click Finished.
Attention
Q4. Where is irule reflected on Network Map?
2.4.1.3. Task - Dashboard¶
Observe Dashboard statistics
- Log on to the BIG-IP GUI using Firefox and go to Statistics >> Dashboard
Attention
Q1. What is longest duration available for reporting?
Q2. How can report be exported?
2.4.1.4. Task 4 – Log files¶
Interpret the LTM log file
- Open ssh window1 and enter the following command:
- tail –f /var/log/ltm
- Open ssh window1 and enter the following command:
Disable ftp_vs
Attention
Q1. Was alert logged?
Go to System > Logs > Local Traffic
Attention
Q2. Was the alert logged here?
From ssh window 1 enter <CTRL> C and at the CLI prompt enter:
- grep alert /var/log/ltm
- grep www_pool /var/log/ltm
Attention
Q3. What command is needed to find all instances of err in /var/log/ltm
- grep err /var/log/ltm