NS0-157 · Question #159
Which logical interface does not have migration nor failover migration capabilities?
The correct answer is D. target. iSCSI target LIFs do not support migration or failover because iSCSI is a stateful protocol and active sessions are bound to a specific LIF IP address.
Question
Which logical interface does not have migration nor failover migration capabilities?
Options
- Acluster management
- Bnode management
- Cdata
- Dtarget
How the community answered
(39 responses)- A3% (1)
- B3% (1)
- C8% (3)
- D87% (34)
Why each option
iSCSI target LIFs do not support migration or failover because iSCSI is a stateful protocol and active sessions are bound to a specific LIF IP address.
Cluster management LIFs support migration to other nodes to maintain administrative access to the cluster during maintenance or failure events.
Node management LIFs support failover to alternative ports on the same node to preserve administrative access when a network port fails.
Data LIFs fully support both migration and failover, allowing NAS client access to continue across port failures or planned node maintenance.
Target (iSCSI target) LIFs cannot be migrated or failed over because established iSCSI sessions are tied to the specific IP address of the target LIF - moving the LIF would immediately break all active sessions with no automatic reconnection.
Concept tested: ONTAP LIF types and migration/failover limitations
Source: https://docs.netapp.com/us-en/ontap/networking/lif_failover_and_giveback.html
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