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F5 BIG IP Discovery

F5 BIG IP Discovery

Discovery models F5 BIG-IP load balancers as a generic load balancer and its components.


The SNMP - Classify probe detects F5 BIG-IP load balancers with the following SNMP MIBs:


The following probes are triggered after classification:
Table 1. F5 BIG-IP probes
Probe Description
SNMP - F5 BIG-IP - Identity - Serial Retrieves the BIG-IP chassis serial number, which is globally unique for this vendor.
SNMP - F5 BIG-IP - System Collects information on the F5 BIG-IP, including pools, services, and VLANs.

DNS names

For F5 Global Traffic Manager (GTM) load balancers, Discovery can resolve the DNS name of the F5 GTM hardware as well as the DNS names of all the servers associated with the load balancer that receive distributed traffic. To view this data, navigate to Configuration > Load Balancers > LB Hardware and open the F5 load balancer record. Then select the DNS Names for CIs related list. This data is used by Service Mapping to map F5 relationships.

Relationship mapping

The abstract class is stored in the Load Balancer [cmdb_ci_lb] table. The implementation class, which is extended from Load Balancer, is stored in the F5 BIG-IP [cmdb_ci_lb_bigip] table.

An F5 discovery creates relationships between the application and the load balance service if the application CI exists. However, if the application CI was not discovered, the SNMP - F5 BIG-IP - System sensor maps between the computer and the load balance service instead.

In this example, load balancer lba-001a has multiple services. The vip_repo_sea1-http service distributes the Apache Server on Port 80. Because there are three services (vip_ns_internal.sea1, vip_ldaps.sea1, vip_ldap.sea1) where the sensor could not locate the application, relationships to the Linux server ops01 are created instead.

Figure 1. F5 Network with a load balancer
F5 network with an F5 load balancer