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There are two R77.30 Security Gateways in the Firewall Cluster. They are named FW_A and FW_B. The cluster is configured to work as HA (High availability) with default cluster configuration. FW_A is configured to have higher priority than FW_B. FW_A was active and processing the traffic in the morning. FW_B was standby. Around 1100 am, its interfaces went down and this caused a failover. FW_B became active. After an hour, FW_A's interface issues were resolved and it became operational.

When it re-joins the cluster, will it become active automatically?

A.
No, since 'maintain' current active cluster member' option on the cluster object properties is enabled by default.
Answers
A.
No, since 'maintain' current active cluster member' option on the cluster object properties is enabled by default.
B.
No, since 'maintain' current active cluster member' option is enabled by default on the Global Properties.
Answers
B.
No, since 'maintain' current active cluster member' option is enabled by default on the Global Properties.
C.
Yes, since 'Switch to higher priority cluster member' option on the cluster object properties is enabled by default.
Answers
C.
Yes, since 'Switch to higher priority cluster member' option on the cluster object properties is enabled by default.
D.
Yes, since 'Switch to higher priority cluster member' option is enabled by default on the Global Properties.
Answers
D.
Yes, since 'Switch to higher priority cluster member' option is enabled by default on the Global Properties.
Suggested answer: A

Explanation:

There are two R77.30 Security Gateways in the Firewall Cluster. They are named FW_A and FW_B. The cluster is configured to work as HA (High availability) with default cluster configuration. FW_A is configured to have higher priority than FW_B. FW_A was active and processing the traffic in the morning. FW_B was standby. Around 1100 am, its interfaces went down and this caused a failover. FW_B became active. After an hour, FW_A's interface issues were resolved and it became operational.

When it re-joins the cluster, it will not become active automatically, since 'maintain current active cluster member' option on the cluster object properties is enabled by default. This option prevents a failback to the original active member after a failover, unless the current active member fails or is manually switched over. This option provides stability and avoids unnecessary failovers.

Reference:R77 ClusterXL Administration Guide, page 23.

asked 16/09/2024
Hernan Rojas
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