rp_filter for multiple private interconnects and Linux Kernel 2.6.32+
(Doc ID 1286796.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Exadata Hardware - Version 188.8.131.52 and later
Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Linux OS - Version Oracle Linux 5.0 to Oracle Linux 5.0 [Release OL5]
Interconnect packets may potentially be blocked/discarded. This can cause various failures, such as:
unpublished Bug 10245620, "LNX64-112020-GIBONE-CMP: CAN'T START MORE THAN ONE INST DUE TO IMR RECONF HUNG"
In kernel 2.6.31 and above, which also includes Oracle's Unbreakable Enterprise Kernel (UEK) (2.6.32), a bug has been fixed in the Reverse Path Filtering. The Linux Reverse Path Filtering bug that has been corrected in kernel 2.6.31 and above is described in:
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