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Dell EMC SmartFabric OS10 User Guide Release 10.5.0

iSCSI synchronization on VLT

An iSCSI session is learned on a VLT LAG during the following scenarios:

  • If the iSCSI session receives control packets, as login-request or login-response, on the VLT LAG.
  • If the iSCSI session does not receive control packets but receives data packets on the VLT LAG. This happens when you enable iSCSI session monitoring after the iSCSI session starts.

The information learned about iSCSI sessions on VLT LAGs synchronizes with the VLT peers.

iSCSI session synchronization happens based on various scenarios:
  • If the iSCSI login request is received on an interface that belongs to a VLT LAG, the information synchronizes with VLT peer and the connection associates with the interface.
  • Any updates to connections, including aging updates that are learned on VLT LAG members synchronizes with the VLT peer.
  • If the iSCSI login request is received on a non-VLT interface, followed by a response from a VLT interface, the connection is associated with the VLT LAG interface and the information about the session synchronizes with the VLT peer.
  • When a VLT interconnect comes up, information about iSCSI sessions learned on the VLT LAG exchanges between the VLT-peers.

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