+ def test_l2_bcast_mirror(self):
+ """ SPAN l2 broadcast mirror """
+
+ self.sub_if.admin_up()
+ self.bridge(self.pg2.sw_if_index)
+
+ # Create bi-directional cross-connects between pg0 and pg1
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.sub_if.sw_if_index, bd_id=99, enable=1)
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.pg1.sw_if_index, bd_id=99, enable=1)
+
+ # Create incoming packet streams for packet-generator interfaces
+ pg0_pkts = self.create_stream(
+ self.pg0, self.pg_if_packet_sizes, do_dot1=True, bcast=True)
+ self.pg0.add_stream(pg0_pkts)
+ pg1_pkts = self.create_stream(
+ self.pg1, self.pg_if_packet_sizes, do_dot1=False, bcast=True)
+ self.pg1.add_stream(pg1_pkts)
+
+ # Enable SPAN on pg0 (mirrored to pg2)
+ self.vapi.sw_interface_span_enable_disable(
+ self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=3)
+ self.logger.info(self.vapi.ppcli("show interface span"))
+
+ # Enable packet capturing and start packet sending
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Verify packets outgoing packet streams on mirrored interface (pg2)
+ pg0_expected = len(pg1_pkts)
+ pg1_expected = len(pg0_pkts)
+ pg2_expected = pg0_expected + pg1_expected
+
+ pg0_pkts = self.pg0.get_capture(pg0_expected)
+ pg1_pkts = self.pg1.get_capture(pg1_expected)
+ pg2_pkts = self.pg2.get_capture(pg2_expected)
+
+ self.bridge(self.pg2.sw_if_index, is_add=0)
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.sub_if.sw_if_index, bd_id=99, enable=0)
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.pg1.sw_if_index, bd_id=99, enable=0)
+ # Disable SPAN on pg0 (mirrored to pg2)
+ self.vapi.sw_interface_span_enable_disable(
+ self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1)
+
+ self.verify_capture(pg0_pkts + pg1_pkts, pg2_pkts)
+