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OL 7 - NetworkManager-1.8.0-x fails to set the default gateway and subnet route for interfaces configured with DHCP/STATIC on UEK R3 (Doc ID 2314550.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Linux OS - Version Oracle Linux 7.0 with Unbreakable Enterprise Kernel [3.8.13] and later
Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.

Symptoms

Oracle Linux 7.x running UEK3 with Network Manager 1.8.0-x or later will fails to set the default gateway and subnet route for the interfaces configured with DHCP/STATIC IP.

--Network Manager Enabled--
# route -n
Kernel IP routing table
Destination Gateway Genmask      Flags        Metric Ref   Use Iface
<IP ADD>    <IP ADD> <IP ADD>    <IP ADD>      UG    100    0   0  enp0s3
-- Network Manager Disabled--
# route -n
Kernel IP routing table
Destination Gateway Genmask       Flags Metric Ref Use Iface
<IP ADD>    <IP ADD> <IP ADD>       UG    0     0    0 enp0s3
<Ip ADD>   <IP ADD> <IP ADD>       U     0     0    0 enp0s3

 

Changes

 Upgrade of Network Manager 1.4.0-x to 1.8.0-x will introduce this problem.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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