diff --git a/pytest_fixtures/core/contenthosts.py b/pytest_fixtures/core/contenthosts.py
index d8b2c02f90..69855e8da2 100644
--- a/pytest_fixtures/core/contenthosts.py
+++ b/pytest_fixtures/core/contenthosts.py
@@ -247,7 +247,11 @@ def centos_host(request, version):
         "distro": "centos",
         "no_containers": True,
     }
-    with Broker(**host_conf(request), host_class=ContentHost) as host:
+    with Broker(
+        **host_conf(request),
+        host_class=ContentHost,
+        deploy_network_type='ipv6' if settings.server.is_ipv6 else 'ipv4',
+    ) as host:
         yield host
 
 
@@ -258,7 +262,11 @@ def oracle_host(request, version):
         "distro": "oracle",
         "no_containers": True,
     }
-    with Broker(**host_conf(request), host_class=ContentHost) as host:
+    with Broker(
+        **host_conf(request),
+        host_class=ContentHost,
+        deploy_network_type='ipv6' if settings.server.is_ipv6 else 'ipv4',
+    ) as host:
         yield host
 
 
diff --git a/tests/foreman/api/test_convert2rhel.py b/tests/foreman/api/test_convert2rhel.py
index fab40344c7..77b4eac539 100644
--- a/tests/foreman/api/test_convert2rhel.py
+++ b/tests/foreman/api/test_convert2rhel.py
@@ -124,6 +124,7 @@ def centos(
 ):
     """Deploy and register Centos host"""
     major = version.split('.')[0]
+    centos_host.enable_ipv6_dnf_proxy()
     assert centos_host.execute('yum -y update').status == 0
     repo_url = settings.repos.convert2rhel.convert_to_rhel_repo.format(major)
     repo = create_repo(module_target_sat, module_els_sca_manifest_org, repo_url)
@@ -171,6 +172,7 @@ def oracle(
 ):
     """Deploy and register Oracle host"""
     major = version.split('.')[0]
+    oracle_host.enable_ipv6_dnf_proxy()
     # disable rhn-client-tools because it obsoletes the subscription manager package
     oracle_host.execute('echo "exclude=rhn-client-tools" >> /etc/yum.conf')
     # Install and set correct RHEL compatible kernel and using non-UEK kernel, based on C2R docs