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Second-level vifs in an active/active configuration

In an active/active configuration, you can access data from both storage systems even if one of the storage system in the configuration fails.

With a second-level vif connected in a single-mode configuration, you can maintain connectivity to your storage system even if one of the switches fails. Therefore, by using the two configurations together, you can achieve a fully redundant storage system connectivity architecture.

The following figure shows second-level vifs in an active/active configuration.
Second-level vif in an active/active configuration

When both storage systems are in operation, the following connections exist:

Firstlev2 and Firstlev3 are in standby mode.

If one of the switches fails, the following happens:

In the following figure, Switch 1 fails in an active/active configuration. Firstlev2 takes over the MAC address of Firstlev1 and maintains the connectivity through Switch 2.
Take over of first-level vifs in an active/active configuration