+
+ @staticmethod
+ def l2_vlan_tag_rewrite(node, interface, tag_rewrite_method,
+ push_dot1q=True, tag1_id=None, tag2_id=None):
+ """Rewrite tags in ethernet frame.
+
+ :param node: Node to rewrite tags.
+ :param interface: Interface on which rewrite tags.
+ :param tag_rewrite_method: Method of tag rewrite.
+ :param push_dot1q: Optional parameter to disable to push dot1q tag
+ instead of dot1ad.
+ :param tag1_id: Optional tag1 ID for VLAN.
+ :param tag2_id: Optional tag2 ID for VLAN.
+ :type node: dict
+ :type interface: str or int
+ :type tag_rewrite_method: str
+ :type push_dot1q: bool
+ :type tag1_id: int
+ :type tag2_id: int
+ """
+ push_dot1q = 'push_dot1q 0' if not push_dot1q else ''
+
+ tag1_id = 'tag1 {0}'.format(tag1_id) if tag1_id else ''
+ tag2_id = 'tag2 {0}'.format(tag2_id) if tag2_id else ''
+
+ if isinstance(interface, basestring):
+ iface_key = Topology.get_interface_by_name(node, interface)
+ sw_if_index = Topology.get_interface_sw_index(node, iface_key)
+ else:
+ sw_if_index = interface
+
+ with VatTerminal(node) as vat:
+ vat.vat_terminal_exec_cmd_from_template("l2_vlan_tag_rewrite.vat",
+ sw_if_index=sw_if_index,
+ tag_rewrite_method=
+ tag_rewrite_method,
+ push_dot1q=push_dot1q,
+ tag1_optional=tag1_id,
+ tag2_optional=tag2_id)
+
+ @staticmethod
+ def delete_bridge_domain_vat(node, bd_id):
+ """Delete the specified bridge domain from the node.
+
+ :param node: VPP node to delete a bridge domain from.
+ :param bd_id: Bridge domain ID.
+ :type node: dict
+ :type bd_id: int
+ """
+
+ with VatTerminal(node) as vat:
+ vat.vat_terminal_exec_cmd_from_template(
+ "l2_bridge_domain_delete.vat", bd_id=bd_id)
+
+ @staticmethod
+ def delete_l2_fib_entry(node, bd_id, mac):
+ """Delete the specified L2 FIB entry.
+
+ :param node: VPP node.
+ :param bd_id: Bridge domain ID.
+ :param mac: MAC address used as the key in L2 FIB entry.
+ :type node: dict
+ :type bd_id: int
+ :type mac: str
+ """
+
+ with VatTerminal(node) as vat:
+ vat.vat_terminal_exec_cmd_from_template("l2_fib_entry_delete.vat",
+ mac=mac,
+ bd_id=bd_id)
+
+ @staticmethod
+ def get_l2_fib_table_vat(node, bd_index):
+ """Retrieves the L2 FIB table using VAT.
+
+ :param node: VPP node.
+ :param bd_index: Index of the bridge domain.
+ :type node: dict
+ :type bd_index: int
+ :return: L2 FIB table.
+ :rtype: list
+ """
+
+ bd_data = L2Util.vpp_get_bridge_domain_data(node)
+ bd_id = bd_data[bd_index-1]["bd_id"]
+
+ try:
+ with VatTerminal(node) as vat:
+ table = vat.vat_terminal_exec_cmd_from_template(
+ "l2_fib_table_dump.vat", bd_id=bd_id)
+
+ return table[0]
+ except ValueError:
+ return []
+
+ @staticmethod
+ def get_l2_fib_entry_vat(node, bd_index, mac):
+ """Retrieves the L2 FIB entry specified by MAC address using VAT.
+
+ :param node: VPP node.
+ :param bd_index: Index of the bridge domain.
+ :param mac: MAC address used as the key in L2 FIB data structure.
+ :type node: dict
+ :type bd_index: int
+ :type mac: str
+ :return: L2 FIB entry
+ :rtype: dict
+ """
+
+ table = L2Util.get_l2_fib_table_vat(node, bd_index)
+ for entry in table:
+ if entry["mac"] == mac:
+ return entry
+ return {}