The Statistic Value of Dropped Packets of Network Interface Increases Constantly in UEK2/UEK3/UEK4 Kernel
Last updated on DECEMBER 13, 2017
Applies to:Exadata X4-2 Full Rack - Version All Versions and later
Linux OS - Version Oracle Linux 6.5 with Unbreakable Enterprise Kernel [3.8.13] to Oracle Linux 7.3 with Unbreakable Enterprise Kerne [3.8.13] [Release OL6U5 to OL7U3]
Linux OS - Version Oracle Linux 5.0 to Oracle Linux 6.9 with Unbreakable Enterprise Kernel [2.6.39] [Release OL5 to OL6U9]
The network interface card(NIC) drops packets continuously when run Oracle UEK2 kernel (2.6.39) or UEK3 kernel (3.8.13) or UEK4 and the packets dropping issue does not exist under RHCK kernel (RedHat Compatible Kernel) like 2.6.32-279.el6.
This applies to all types of interface: native, bonded, vlan and virtual.
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