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Oracle Linux: How to Control Asymmetric Routing on Exadata Database Servers Having Both InfiniBand And Ethernet Network Interfaces (Doc ID 2449492.1)

Last updated on SEPTEMBER 26, 2018

Applies to:

Linux OS - Version Oracle Linux 6.1 and later
Linux x86-64

Goal

The recommended configuration on Exadata database machines is to disable reverse path filtering on all InfiniBand interfaces.

Oracle Exadata Database Machine Setup/Configuration Best Practices (Document 1274318.1)

However, this can cause intefere with routing if there is a server on a different network that needs to communicate with the Exadata database node. In this case, with default settings, the database server may try to respond on a different interface to the one it receives traffic on.

Solution

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