Netapp iSCSI LUN not usable when MTU is set to 9000 (Jumbo Frames)
(Doc ID 2678111.1)
Last updated on JUNE 06, 2020
Applies to:Solaris Operating System - Version 10 1/13 U11 and later
Information in this document applies to any platform.
REF: How to set MTU (Maximum Transmission Unit) size for interfaces (network interfaces) (Doc ID 1017799.1)
A 5TB Netapp iSCSI LUN is visible in format when using 1gb NIC but when using 10gb NIC format, iscsiadm and dladm commands hang.
A truss on "dladm show-dev" showed the following:
Our customer had recently changed to a new network, and went from using 1gb NIC cards to 10gb NIC cards
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