203 lines
7.9 KiB
Python
203 lines
7.9 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (c) 2020, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# This test verifies that PBBR sends BMLR.ntf correctly when multicast addresses are registered.
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#
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# Topology:
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# ---- -(eth)-------
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# | |
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# PBBR----SBBR
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# \ /
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# Router1---Commissioner
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#
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import unittest
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import thread_cert
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import config
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from pktverify.packet_verifier import PacketVerifier
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PBBR = 1
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SBBR = 2
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ROUTER1 = 3
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COMMISSIONER = 4
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REREG_DELAY = 4 # Seconds
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MLR_TIMEOUT = 300 # Seconds
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CUSTOM_MLR_TIMEOUT = 1000 # Seconds
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MA1 = 'ff04::1'
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MA2 = 'ff04::2'
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MA3 = 'ff04::3'
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MA4 = 'ff04::4'
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MA5 = 'ff04::5'
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class BBR_5_11_01(thread_cert.TestCase):
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USE_MESSAGE_FACTORY = False
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TOPOLOGY = {
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PBBR: {
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'name': 'PBBR',
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'allowlist': [SBBR, ROUTER1],
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'is_otbr': True,
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'version': '1.2',
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},
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SBBR: {
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'name': 'SBBR',
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'allowlist': [PBBR, ROUTER1],
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'is_otbr': True,
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'version': '1.2',
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},
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ROUTER1: {
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'name': 'ROUTER1',
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'allowlist': [PBBR, SBBR, COMMISSIONER],
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'version': '1.2',
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},
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COMMISSIONER: {
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'name': 'COMMISSIONER',
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'allowlist': [ROUTER1],
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'version': '1.2',
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}
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}
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def test(self):
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self.nodes[PBBR].start()
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self.wait_node_state(PBBR, 'leader', 10)
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self.nodes[PBBR].set_backbone_router(reg_delay=REREG_DELAY, mlr_timeout=MLR_TIMEOUT)
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self.nodes[PBBR].enable_backbone_router()
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self.wait_until(lambda: self.nodes[PBBR].is_primary_backbone_router, 5)
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self.nodes[SBBR].start()
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self.wait_node_state(SBBR, 'router', 5)
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self.nodes[SBBR].set_backbone_router(reg_delay=REREG_DELAY, mlr_timeout=MLR_TIMEOUT)
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self.nodes[SBBR].enable_backbone_router()
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self.simulator.go(5)
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self.assertFalse(self.nodes[SBBR].is_primary_backbone_router)
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self.nodes[ROUTER1].start()
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self.wait_node_state(ROUTER1, 'router', 5)
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self.nodes[COMMISSIONER].start()
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self.wait_node_state(COMMISSIONER, 'router', 5)
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self.wait_route_established(COMMISSIONER, PBBR)
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self.nodes[COMMISSIONER].commissioner_start()
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self.simulator.go(10)
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self.assertEqual('active', self.nodes[COMMISSIONER].commissioner_state())
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self.nodes[PBBR].add_ipmaddr(MA1)
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self.simulator.go(REREG_DELAY)
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self.nodes[ROUTER1].add_ipmaddr(MA2)
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self.simulator.go(REREG_DELAY)
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# Commissioner registers MA3 with default timeout
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self.assertEqual((0, []), self.nodes[COMMISSIONER].register_multicast_listener(MA3, timeout=None))
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# Commissioner registers MA4 with a custom timeout
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self.assertEqual((0, []), self.nodes[COMMISSIONER].register_multicast_listener(MA4,
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timeout=CUSTOM_MLR_TIMEOUT))
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# Commissioner unregisters MA5
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self.assertEqual((0, []), self.nodes[COMMISSIONER].register_multicast_listener(MA5, timeout=0))
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self.collect_ipaddrs()
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self.collect_rloc16s()
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def verify(self, pv: PacketVerifier):
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pkts = pv.pkts
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pv.add_common_vars()
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pv.summary.show()
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pv.verify_attached('ROUTER1')
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ROUTER1 = pv.vars['ROUTER1']
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COMMISSIONER = pv.vars['COMMISSIONER']
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PBBR_ETH = pv.vars['PBBR_ETH']
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SBBR_ETH = pv.vars['SBBR_ETH']
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# Verify SBBR must not send `/b/bmr` during the test.
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pkts.filter_eth_src(SBBR_ETH).filter_coap_request('/b/bmr').must_not_next()
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# Verify PBBR sends `/b/bmr` on the Backbone link for MA1 with default timeout.
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pkts.filter_eth_src(PBBR_ETH).filter_coap_request('/b/bmr').must_next().must_verify(f"""
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thread_meshcop.tlv.ipv6_addr == ['{MA1}']
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and thread_bl.tlv.timeout == {MLR_TIMEOUT}
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and ipv6.src.is_link_local
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""")
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# Router registers MA2 with default timeout
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pkts.filter_wpan_src64(ROUTER1).filter_coap_request('/n/mr').must_next().must_verify(f"""
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thread_meshcop.tlv.ipv6_addr == ['{MA2}']
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and thread_bl.tlv.timeout is null
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""")
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# Verify PBBR sends `/b/bmr` on the Backbone link for MA2 with default timeout.
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pkts.filter_eth_src(PBBR_ETH).filter_coap_request('/b/bmr').must_next().must_verify(f"""
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thread_meshcop.tlv.ipv6_addr == ['{MA2}']
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and thread_bl.tlv.timeout == {MLR_TIMEOUT}
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and ipv6.src.is_link_local
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""")
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# Commissioner registers MA3 with deafult timeout
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pkts.filter_wpan_src64(COMMISSIONER).filter_coap_request('/n/mr').must_next().must_verify(f"""
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thread_meshcop.tlv.ipv6_addr == ['{MA3}']
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and thread_bl.tlv.timeout is null
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""")
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# Verify PBBR sends `/b/bmr` on the Backbone link for MA3 with default timeout.
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pkts.filter_eth_src(PBBR_ETH).filter_coap_request('/b/bmr').must_next().must_verify(f"""
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thread_meshcop.tlv.ipv6_addr == ['{MA3}']
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and thread_bl.tlv.timeout == {MLR_TIMEOUT}
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and ipv6.src.is_link_local
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""")
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# Commissioner registers MA4 with custom timeout
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pkts.filter_wpan_src64(COMMISSIONER).filter_coap_request('/n/mr').must_next().must_verify(f"""
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thread_meshcop.tlv.ipv6_addr == ['{MA4}']
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and thread_nm.tlv.timeout == {CUSTOM_MLR_TIMEOUT}
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""")
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# Verify PBBR sends `/b/bmr` on the Backbone link for MA4 with custom timeout.
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pkts.filter_eth_src(PBBR_ETH).filter_coap_request('/b/bmr').must_next().must_verify(f"""
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thread_meshcop.tlv.ipv6_addr == ['{MA4}']
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and thread_bl.tlv.timeout == {CUSTOM_MLR_TIMEOUT}
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and ipv6.src.is_link_local
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""")
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# Commissioner unregisters MA5
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pkts.filter_wpan_src64(COMMISSIONER).filter_coap_request('/n/mr').must_next().must_verify(f"""
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thread_meshcop.tlv.ipv6_addr == ['{MA5}']
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and thread_nm.tlv.timeout == 0
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""")
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# Verify PBBR sends `/b/bmr` on the Backbone link for MA5 with timeout equal to zero.
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pkts.filter_eth_src(PBBR_ETH).filter_coap_request('/b/bmr').must_next().must_verify(f"""
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thread_meshcop.tlv.ipv6_addr == ['{MA5}']
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and thread_bl.tlv.timeout == 0
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and ipv6.src.is_link_local
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""")
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if __name__ == '__main__':
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unittest.main()
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