201 · Question #279
A virtual server is defined per the charts. The last five client connections were to members C, D, A, B, A. Given the conditions shown in the above graphic, if a client with IP address 205.12.45.52…
The correct answer is D. 172.16.20.4:80. Assuming the virtual server is configured with Source IP persistence, a new connection from client IP 205.12.45.52 will be directed to the pool member to which it has an active persistence record.
Question
A virtual server is defined per the charts. The last five client connections were to members C, D, A, B, A. Given the conditions shown in the above graphic, if a client with IP address 205.12.45.52 opens a connection to the virtual server, which member will be used for the connection.
Exhibit
Options
- A172.16.20.1:80
- B172.16.20.2:80
- C172.16.20.3:80
- D172.16.20.4:80
- E172.16.20.5:80
How the community answered
(48 responses)- A2% (1)
- B4% (2)
- C8% (4)
- D85% (41)
Why each option
Assuming the virtual server is configured with Source IP persistence, a new connection from client IP 205.12.45.52 will be directed to the pool member to which it has an active persistence record.
This option would be incorrect if Source IP persistence dictates a different pool member or if another load balancing method, not leading to this member, were in use.
This option would be incorrect if Source IP persistence dictates a different pool member or if another load balancing method, not leading to this member, were in use.
This option would be incorrect if Source IP persistence dictates a different pool member or if another load balancing method, not leading to this member, were in use.
If the virtual server uses a Source IP persistence profile, the BIG-IP system ensures that subsequent connections originating from the same client IP address (205.12.45.52) are consistently directed to the same pool member (172.16.20.4:80). This ensures session continuity for the client, overriding general load balancing after initial selection, assuming an active persistence entry exists for this client to this member.
This option would be incorrect if Source IP persistence dictates a different pool member or if another load balancing method, not leading to this member, were in use.
Concept tested: BIG-IP Source IP persistence
Source: https://techdocs.f5.com/en-us/big-ip-ltm-16-0-0/big-ip-local-traffic-manager-concepts/persistence-profiles.html
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