Pods experience intermittent packet drop when Antrea NetworkPolicy logging enabled
Article ID: 312457
Updated On:
Products
VMware NSX Networking
Issue/Introduction
Symptoms:
Pod may experience packet drop during burst traffic when Antrea NetworkPolicy logging enabled
Use ovs-ofctl to check if packet drop shows in this meter.
ovs-ofctl -OOpenFlow13 meter-stats br-int
Pod may experience packet drop during burst traffic when Antrea NetworkPolicy logging enabled
Use ovs-ofctl to check if packet drop shows in this meter.
ovs-ofctl -OOpenFlow13 meter-stats br-int
OFPST_METER reply (OF1.3) (xid=0x2):
meter:1 flow_count:0 packet_in_count:26496119 byte_in_count:4622320365 duration:3732145.188s bands:
0: packet_count:51671 byte_count:9472467
meter:2 flow_count:0 packet_in_count:3 byte_in_count:126 duration:3732145.188s bands:
0: packet_count:0 byte_count:0
Above shows 51671 packets dropped by this meter
Cause
A logging meter in Antrea OVS might prevent burst traffic
Resolution
Currently no resolution
Workaround:
1. Disable logging on the default ACNP resources, which include the rules to be applied to all Pods in the cluster
2. Add a more concret ANP rule to apply to limited Pods with logging enabled if it is required
Workaround:
1. Disable logging on the default ACNP resources, which include the rules to be applied to all Pods in the cluster
2. Add a more concret ANP rule to apply to limited Pods with logging enabled if it is required
Feedback
Yes
No
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