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Merge "Change default IP protocol preference from AUTO to IPV4" into udc-dev am: 4ca1887dd7 am: f16d2249fe

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23157990

Change-Id: Ifaed432f70aee9aa5c55f57bf2722419e014ab85
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Chiachang Wang
2023-05-11 14:26:26 +00:00
committed by Automerger Merge Worker
parent 5b836bc0d9 f16d2249fe
commit feebf5924f
1 changed files with 5 additions and 2 deletions
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7
services/core/java/com/android/server/connectivity/Vpn.java
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@@ -3677,8 +3677,11 @@ public class Vpn {
encapType = IkeSessionParams.ESP_ENCAP_TYPE_NONE;
break;
default:
ipVersion = IkeSessionParams.ESP_IP_VERSION_AUTO;
encapType = IkeSessionParams.ESP_ENCAP_TYPE_AUTO;
// By default, PREFERRED_IKE_PROTOCOL_IPV4_UDP is used for safety. This is
// because some carriers' networks do not support IPv6 very well, and using
// IPv4 can help to prevent problems.
ipVersion = IkeSessionParams.ESP_IP_VERSION_IPV4;
encapType = IkeSessionParams.ESP_ENCAP_TYPE_UDP;
break;
}
return new CarrierConfigInfo(mccMnc, natKeepalive, encapType, ipVersion);