From 407d469be919f1841fb3bac49947c758c4a24b67 Mon Sep 17 00:00:00 2001 From: Yuxiang Zhu Date: Mon, 21 Nov 2022 01:02:54 +0800 Subject: T4832: dhcp: Add dhcp option to signal IPv6-only support Clients supporting this DHCP option (DHCP option 108, per RFC 8925) will disable its IPv4 network stack for configured number of seconds and operate in IPv6-only mode. Example clients supporting this option including iOS 15+ and macOS 12.0.1+. --- smoketest/scripts/cli/test_service_dhcp-server.py | 3 +++ 1 file changed, 3 insertions(+) (limited to 'smoketest/scripts/cli') diff --git a/smoketest/scripts/cli/test_service_dhcp-server.py b/smoketest/scripts/cli/test_service_dhcp-server.py index 9adb9c042..8568d96eb 100755 --- a/smoketest/scripts/cli/test_service_dhcp-server.py +++ b/smoketest/scripts/cli/test_service_dhcp-server.py @@ -112,6 +112,7 @@ class TestServiceDHCPServer(VyOSUnitTestSHIM.TestCase): bootfile_server = '192.0.2.1' wpad = 'http://wpad.vyos.io/foo/bar' server_identifier = bootfile_server + ipv6_only_preferred = 300 pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet] # we use the first subnet IP address as default gateway @@ -132,6 +133,7 @@ class TestServiceDHCPServer(VyOSUnitTestSHIM.TestCase): self.cli_set(pool + ['server-identifier', server_identifier]) self.cli_set(pool + ['static-route', '10.0.0.0/24', 'next-hop', '192.0.2.1']) + self.cli_set(pool + ['ipv6-only-preferred', ipv6_only_preferred]) # check validate() - No DHCP address range or active static-mapping set with self.assertRaises(ConfigSessionError): @@ -169,6 +171,7 @@ class TestServiceDHCPServer(VyOSUnitTestSHIM.TestCase): self.assertIn(f'max-lease-time 86400;', config) self.assertIn(f'range {range_0_start} {range_0_stop};', config) self.assertIn(f'set shared-networkname = "{shared_net_name}";', config) + self.assertIn(f'option rfc8925-ipv6-only-preferred {ipv6_only_preferred};', config) # weird syntax for those static routes self.assertIn(f'option rfc3442-static-route 24,10,0,0,192,0,2,1, 0,192,0,2,1;', config) -- cgit v1.2.3