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OLVM: Intermittent VMs Packet Loss On Some VLAN Network (Doc ID 2727804.1)

Last updated on OCTOBER 01, 2021

Applies to:

Linux OS - Version Oracle Linux 7.7 with Unbreakable Enterprise Kernel [4.14.35] and later
Linux x86-64

Symptoms

Pinging from VM to the certain bridge <Bridge XXX> gets packet loss. For example, pinging 300 packets get 1% packet loss.
Pinging from the bridge <Bridge XXX> VM gets packet loss. For example, pinging 200 packets has 25% packet loss:

[root@&lt;KVM HOST&gt; ~]# ping -I &lt;Bridge XXX&gt; -c 200 -q &lt;VM IP&gt;
PING &lt;VM IP&gt; (&lt;VM IP&gt;) from XXXX &lt;Bridge XXX&gt;: 56(84) bytes of data.
--- &lt;VM IP&gt; ping statistics ---
200 packets transmitted, 150 received, 25% packet loss, time 203800ms
rtt min/avg/max/mdev = 0.073/0.102/0.244/0.029 ms

Cause

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In this Document
Symptoms
Cause
Solution


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