Adding upstream version 1:9.18.19.upstream/1%9.18.19

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/bin/tests/system/mirror/README b/bin/tests/system/mirror/README
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+<!--
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+-->
+
+This test checks whether zones configured with "type mirror;" behave as
+expected.
+
+ns1 is an authoritative-only server.  It only serves the root zone, which is
+mirrored by ns3.
+
+ns2 is an authoritative-only server.  It serves a number of zones, some of which
+are delegated to it by ns1 and used in recursive resolution tests aimed at ns3
+while others are only served so that ns3 has a primary server to mirror zones
+from during various tests of the mirror zone implementation.
+
+ns3 is a recursive resolver.  It has a number of mirror zones configured.  This
+is the only server whose behavior is being examined by this system test.