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When configuring the chart, you should not include this.
That is, `--set some.field=true` should be passed, not `--set defaults.some.field=true`.

### Ambient

To enable ambient, you can use the ambient profile: `--set profile=ambient`.

#### Calico

For Calico, you must also modify the settings to allow source spoofing:

# If you're looking at this file in a different repo and want to make a change, please go to the
# common-files repo, make the change there and check it in. Then come back to this repo and run
# "make update-common".

# Copyright Istio Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.

# Set enableTracing to false to disable request tracing.
enableTracing: true
# This is the ingress service name, update if you used a different name
ingressService: istio-ingress
#
defaultConfig:
  # NOTE: If you change any values in this section, make sure to make
  # the same changes in start up args in istio-ingress pods.
  #
  # TCP connection timeout between Envoy & the application, and between Envoys.
  connectTimeout: 1s
  #