F5CTSLTM4-B
BIG-IP LTM Specialist Software Upgrades, HA Configuration, and Device Monitoring
Part of F5 Certified Technology Specialist, BIG-IP LTM
Independent study aid built from the public exam blueprint. Not affiliated with, authorized by, or endorsed by F5. Exam objectives, versions, and availability change, so always verify against the official blueprint.
Exam F5CTSLTM4-B: BIG-IP LTM Specialist Software Upgrades, HA Configuration, and Device Monitoring
F5CTSLTM4.01 Determine how to perform a software upgrade while maintaining application availability
What to know:- Identify proper steps to avoid downtime while upgrading LTM software
- Determine necessary steps for migrating LTM configuration to new hardware
- Understand implications of stopping BIG-IP services
F5CTSLTM4.02 Determine how to configure a high availability group of LTM devices to fit the requirements
What to know:- Compare and contrast traffic groups vs HA groups
- Determine what prevented an expected failover
- Identify necessary components for network failover
F5CTSLTM4.03 Explain the uses of user roles and administrative partitions
What to know:- Explain how to restrict access to LTM using user roles
- Discuss the benefits of administrative partitions
- Apply user roles to administrative partitions
F5CTSLTM4.04 Determine how to deploy or upgrade vCMP guests and how the resources are distributed
What to know:- Explain the different vCMP guest deployment states
- Discuss the relationship between CPU and memory on vCMP
- Select which versions can run on a guest given host version
- Understand the relationship of network configuration objects between vCMP hosts and vCMP guests
On this site: vCMP: Hosts, Guests, and How Resources Are CarvedF5CTSLTM4.05 Determine how to deploy or upgrade F5 OS Tenants and how the resources are distributed
What to know:- Explain the different F5 OS Tenant deployment states
- Discuss the relationship between CPU and memory on F5 OS
- Select which versions can run on a guest given host version
- Understand the relationship of network configuration objects between F5 OS hosts and F5 OS Tenants
F5CTSLTM4.06 Given a scenario, determine the appropriate upgrade and recovery steps required to restore functionality and minimize application outages to LTM devices
What to know:- Identify the appropriate methods for a clean install
- Identify the TMSH sys software install options required to install a new version
- Identify the steps required to upgrade the LTM device such as: license renewal, validation of upgrade path, review release notes, etc.
- Identify how to copy a config to a previously installed boot location/slot
- Identify valid rollback steps for a given upgrade scenario
- Explain how to upgrade an LTM device from the GUI
- Describe the effect of performing an upgrade in an environment with device groups and traffic groups
- Explain how to perform an upgrade in a high availability group
On this site: The BIG-IP 21.x Ops Story: In-Place Upgrades, a 64-Bit Control Plane, and BigD at Scale, BIG-IP Upgrade vs Update: Why the Distinction Decides Whether the License Date Is Checked, The BIG-IP Service Check Date, and Why an Upgrade Can Refuse to LoadTools: f5-service-check-dateF5CTSLTM4.07 Describe the benefits of custom alerting within an LTM environment
What to know:- Describe how to specify the OIDs for alerting
- Explain how to log different levels of local traffic message logs
- Explain how to trigger custom alerts for testing purposes
F5CTSLTM4.08 Describe how to set up custom alerting for an LTM device
What to know:- List and describe custom alerts: SNMP, email and Remote Syslog
- Identify the location of custom alert configuration files
- Identify the available levels for local traffic logging
F5CTSLTM4.09 Identify the appropriate command to use to determine the cause of an LTM device problem
What to know:- Identify platform problems based on the log file messages and statistics
- Identify resource exhaustion problems based on the log file messages and statistics
- Identify connectivity problems based on the log files
- Determine the appropriate log file to examine to determine the cause of the problem
On this site: The BIG-IP Log Files: a Map of /var/logTools: f5-tmsh-config-explainerF5CTSLTM4.10 Analyze performance data to identify a resource problem on an LTM device
What to know:- Analyze performance data using Linux or TMSH commands and performance graphs to identify a resource problem on an LTM device
- Explain how CPU and Memory work between the host OS and TMOS
Tools: f5-bigd-thread-calculatorF5CTSLTM4.11 Given a scenario, determine the cause of an LTM device failover
What to know:- Explain the effect of network failover settings on the LTM device
- Differentiate between unicast and multicast network failover modes
- Identify the cause of failover using logs and statistics
F5CTSLTM4.12 Given a scenario, determine the cause of loss of high availability and/or sync failure
What to know:- Explain how the high availability concepts relate to one another
- Explain the relationship between device trust and device groups
- Identify the cause of config sync failures
- Explain the relationship between traffic groups and LTM objects
- Interpret log messages to determine the cause of high availability issues