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201 · Question #221

The BIG-IP Administrator disable all pool members in a pool Users are still able to reach the pool members. What is allowing users to continue to reach the disabled poo! members?

The correct answer is B. A persistence profile on the Virtual Server. When pool members are disabled, users can still access them if a persistence profile on the virtual server maintains existing client connections to those specific members.

Section 2: Configure Load Balancing Features

Question

The BIG-IP Administrator disable all pool members in a pool Users are still able to reach the pool members. What is allowing users to continue to reach the disabled poo! members?

Options

  • AA slow to time on Pool
  • BA persistence profile on the Virtual Server
  • CA slow ramp time on virtual Server
  • DA persistence profile on the Pool

How the community answered

(26 responses)
  • A
    4% (1)
  • B
    85% (22)
  • C
    8% (2)
  • D
    4% (1)

Why each option

When pool members are disabled, users can still access them if a persistence profile on the virtual server maintains existing client connections to those specific members.

AA slow to time on Pool

A slow to time on a pool typically relates to health monitor intervals or timeouts for new connections, not overriding the disabled status for existing persistent sessions.

BA persistence profile on the Virtual ServerCorrect

A persistence profile ensures that subsequent connections from a client with an active session are directed to the same pool member, even if that member has been disabled or marked down. This overrides the disabled status for persistent sessions.

CA slow ramp time on virtual Server

A slow ramp time on a virtual server applies to newly enabled pool members, gradually allowing them to receive connections, and does not apply to maintaining connections to disabled members.

DA persistence profile on the Pool

Persistence profiles are applied to virtual servers, not directly to pools; the profile defines how the virtual server handles persistence for its associated pools and members.

Concept tested: BIG-IP Persistence Profile behavior

Source: https://techdocs.f5.com/en-us/bigip-15-0-0/big-ip-local-traffic-management-concepts/profiles-and-settings-for-persistence.html

Topics

#persistence profile#pool members#virtual server#connection management

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