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Dell SmartFabric OS10 User Guide Release 10.5.3

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iSCSI synchronization on VLT

An iSCSI session is learned on a VLT port-channel during the following scenarios:

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

The information learned about iSCSI sessions on VLT port-channels 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 port-channel, 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 port-channel members synchronize 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 port-channel 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 port-channel exchanges between the VLT-peers.

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