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diff --git a/tests/honeycomb/func/mgmt-cfg-int-subint-apihc-apivat-func.robot b/tests/honeycomb/func/mgmt-cfg-int-subint-apihc-apivat-func.robot
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+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+| Resource | resources/libraries/robot/honeycomb/honeycomb.robot
+| Resource | resources/libraries/robot/honeycomb/sub_interface.robot
+| Resource | resources/libraries/robot/honeycomb/bridge_domain.robot
+| Resource | resources/libraries/robot/honeycomb/interfaces.robot
+| Variables | resources/test_data/honeycomb/sub_interfaces.py
+| ...
+| Suite Setup | Set Up Honeycomb Functional Test Suite | ${node}
+| ...
+| Suite Teardown | Tear Down Honeycomb Functional Test Suite | ${node}
+| ...
+| Force Tags | HC_FUNC
+| ...
+| Documentation | *Honeycomb sub-interface management test suite.*
+
+*** Variables ***
+# Test interfaces and their sub-interface parameters:
+| ${super_if}= | ${node['interfaces']['port1']['name']}
+| ${super_if2}= | ${node['interfaces']['port3']['name']}
+| ${sub_if_id}= | ${sub_if_1_settings['identifier']}
+| ${sub_if_name}= | ${super_if}.${sub_if_id}
+| ${sub_if2_name}= | ${super_if2}.${sub_if_id}
+
+*** Test Cases ***
+| TC01: Honeycomb creates sub-interface
+| | [Documentation] | Check if Honeycomb creates a sub-interface.
+| | ...
+| | Given Honeycomb configures interface state | ${node} | ${super_if} | down
+| | And sub-interface Operational Data From Honeycomb Should Be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And interface Operational Data From VAT Should Be empty
+| | ... | ${node} | ${sub_if_name}
+| | When Honeycomb creates sub-interface | ${node} | ${super_if}
+| | ... | ${sub_if_1_match} | ${sub_if_1_tags} | ${sub_if_1_settings}
+| | Then Sub-interface Operational Data From Honeycomb Should Be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${sub_if_1_oper}
+| | And Sub-interface Operational Data From VAT Should Be
+| | ... | ${node} | ${sub_if_name} | ${sub_if_1_oper}
+| | And sub-interface indices from Honeycomb and VAT should correspond
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+
+| TC02: Honeycomb sets interface and sub-interface up
+| | [Documentation] | Honeycomb changes the state of interface\
+| | ... | and of its sub-interface to up.
+| | ...
+| | Given interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | down
+| | And interface state from VAT should be
+| | ... | ${node} | ${super_if} | down
+| | Sub-interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | down | down
+| | Sub-interface state from VAT should be
+| | ... | ${node} | ${sub_if_name} | down | down
+| | When Honeycomb configures interface state
+| | ... | ${node} | ${super_if} | up
+| | Then interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | up
+| | And interface state from VAT should be
+| | ... | ${node} | ${super_if} | up
+| | When Honeycomb sets the sub-interface up
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | Then Sub-interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | up | up
+| | And sub-interface state from VAT should be
+| | ... | ${node} | ${sub_if_name} | up | up
+
+| TC03: Honeycomb sets sub-interface down while its super-interface is up
+| | [Documentation] | Honeycomb sets the sub-interface down while its \
+| | ... | super-interface is up. It must be possible.
+| | ...
+| | [Teardown] | Set super and sub interfaces up
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given sub-interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | up | up
+| | And sub-interface state from VAT should be
+| | ... | ${node} | ${sub_if_name} | up | up
+| | And interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | up
+| | And interface state from VAT should be
+| | ... | ${node} | ${super_if} | up
+| | When Honeycomb sets the sub-interface down
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | Then interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | up
+| | And interface state from VAT should be
+| | ... | ${node} | ${super_if} | up
+| | And sub-interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | down | up
+| | And sub-interface state from VAT should be
+| | ... | ${node} | ${sub_if_name} | down | up
+
+| TC04: Honeycomb sets interface and sub-interface down
+| | [Documentation] | Honeycomb changes the state of interface down and then \
+| | ... | changes the state of its sub-interface down, in this order.
+| | ...
+| | [Teardown] | Set super and sub interfaces down
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | up
+| | And interface state from VAT should be
+| | ... | ${node} | ${super_if} | up
+| | When Honeycomb configures interface state
+| | ... | ${node} | ${super_if} | down
+| | Then interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | down
+| | And interface state from VAT should be
+| | ... | ${node} | ${super_if} | down
+| | Given sub-interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | up | down
+| | And sub-interface state from VAT should be
+| | ... | ${node} | ${sub_if_name} | up | down
+| | When Honeycomb sets the sub-interface down
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | Then sub-interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | down | down
+| | And sub-interface state from VAT should be
+| | ... | ${node} | ${sub_if_name} | down | down
+
+| TC05: Honeycomb fails to set sub-interface up while its super-interface is down
+| | [Documentation] | Honeycomb tries to set the sub-interface up while its \
+| | ... | super-interface is down. It must not be possible.
+| | ...
+| | Given interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | down
+| | And interface state from VAT should be
+| | ... | ${node} | ${super_if} | down
+| | And sub-interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | down | down
+| | And sub-interface state from VAT should be
+| | ... | ${node} | ${sub_if_name} | down | down
+| | When Honeycomb fails to set sub-interface up
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | Then interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | down
+| | And interface state from VAT should be
+| | ... | ${node} | ${super_if} | down
+| | And sub-interface state from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | down | down
+| | And sub-interface state from VAT should be
+| | ... | ${node} | ${sub_if_name} | down | down
+
+| TC06: Honeycomb fails to delete sub-interface
+| | [Documentation] | Check if Honeycomb can delete an existing sub-interface.
+| | ...
+| | [Setup] | Set super and sub interfaces down
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given sub-interface Operational Data From Honeycomb Should Be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${sub_if_1_oper}
+| | And sub-interface Operational Data From VAT Should Be
+| | ... | ${node} | ${sub_if_name} | ${sub_if_1_oper}
+| | When Honeycomb fails to remove all sub-interfaces
+| | ... | ${node} | ${super_if}
+| | Then sub-interface Operational Data From Honeycomb Should Be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${sub_if_1_oper}
+| | And sub-interface Operational Data From VAT Should Be
+| | ... | ${node} | ${sub_if_name} | ${sub_if_1_oper}
+
+| TC07: Honeycomb adds sub-interface to new bridge domain
+| | [Documentation] | Check if Honeycomb adds a sub-interface to bridge domain.
+| | ...
+| | [Setup] | Set super and sub interfaces down
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given sub-interface Operational Data From Honeycomb Should Be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${sub_if_1_oper}
+| | And sub-interface Operational Data From VAT Should Be
+| | ... | ${node} | ${sub_if_name} | ${sub_if_1_oper}
+| | When Honeycomb creates first L2 bridge domain
+| | ... | ${node} | ${bd_name} | ${bd_settings}
+| | Then bridge domain Operational Data From Honeycomb Should Be
+| | ... | ${node} | ${bd_name} | ${bd_settings}
+| | When Honeycomb adds sub-interface to bridge domain
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${sub_bd_settings}
+| | Then sub-interface bridge domain Operational Data From Honeycomb Should Be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${sub_bd_settings}
+| | And sub-interface bridge domain Operational Data From VAT Should Be
+| | ... | ${node} | ${sub_if_name} | ${sub_bd_settings}
+| | And sub-interface Operational Data From VAT Should Be
+| | ... | ${node} | ${sub_if_name} | ${sub_if_1_oper}
+
+| TC08: Honeycomb enables tag-rewrite pop 1
+| | [Documentation] | Check if Honeycomb enables tag-rewrite and sets its \
+| | ... | parameters correctly. Case: pop 1.
+| | ...
+| | [Teardown] | Honeycomb disables tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given rewrite tag from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_pop_1}
+| | Then rewrite tag from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_pop_1_oper}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_pop_1_VAT}
+
+| TC09: Honeycomb enables tag-rewrite push
+| | [Documentation] | Check if Honeycomb enables tag-rewrite and sets its \
+| | ... | parameters correctly. Case: push.
+| | ...
+| | [Teardown] | Honeycomb disables tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given rewrite tag from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_push}
+| | Then rewrite tag from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_push_oper}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_push_VAT}
+
+| TC10: Honeycomb enables tag-rewrite translate 1-2
+| | [Documentation] | Check if Honeycomb enables tag-rewrite and sets its \
+| | ... | parameters correctly. Case: translate 1-2.
+| | ...
+| | [Teardown] | Honeycomb disables tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given rewrite tag from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_translate_1_2}
+| | Then rewrite tag from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${tag_rewrite_translate_1_2_oper}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_translate_1_2_VAT}
+
+| TC11: Honeycomb disables tag-rewrite
+| | [Documentation] | Check if Honeycomb disables the tag-rewrite.
+| | ...
+| | [Teardown] | Honeycomb disables tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_pop_1}
+| | Then rewrite tag from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_pop_1_oper}
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_disabled}
+| | Then rewrite tag from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_disabled_VAT}
+
+| TC12: Honeycomb enables tag-rewrite pop 1 again
+| | [Documentation] | Check if Honeycomb can enable tag-rewrite again, once it \
+| | ... | was disabled by Honeycomb.
+| | ...
+| | [Teardown] | Honeycomb disables tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given rewrite tag from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_pop_1}
+| | Then rewrite tag from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_pop_1_oper}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_pop_1_VAT}
+
+| TC13: Honeycomb modifies the tag-rewrite
+| | [Documentation] | Honeycomb sets the tag-rewrite:
+| | ... | 1. pop 1, then
+| | ... | 2. push, then
+| | ... | 3. translate 1 - 2
+| | ... | Then Honeycomb disables the tag-rewrite.
+| | ...
+| | [Teardown] | Honeycomb disables tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given rewrite tag from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_pop_1}
+| | Then rewrite tag from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_pop_1_oper}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_pop_1_VAT}
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_push}
+| | Then rewrite tag from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_push_oper}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_push_VAT}
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_translate_1_2}
+| | Then rewrite tag from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${tag_rewrite_translate_1_2_oper}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_translate_1_2_VAT}
+| | When Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_disabled}
+| | Then rewrite tag from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_disabled_VAT}
+
+| TC14: Honeycomb fails to set wrong vlan-type in tag-rewrite
+| | [Documentation] | Check that Honeycomb does not accept wrong values of \
+| | ... | vlan-type in tag-rewrite.
+| | ...
+| | Given rewrite tag from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | When Honeycomb fails to set wrong rewrite tag
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${tag_rewrite_translate_1_2_wrong}
+| | Then rewrite tag from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And rewrite tag from VAT should be
+| | ... | ${node} | ${sub_if_name} | ${tag_rewrite_disabled_VAT}
+
+| TC15: Honeycomb configures sub-interface ipv4 address
+| | [Documentation] | Check if Honeycomb can configure an ipv4 address on the\
+| | ... | sub-interface.
+| | ...
+| | Given sub-interface ipv4 address from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And sub-interface ipv4 address from VAT should be empty
+| | ... | ${node} | ${sub_if_name}
+| | When Honeycomb sets sub-interface ipv4 address
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | Then sub-interface ipv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | And sub-interface ipv4 address from VAT should be
+| | ... | ${node} | ${sub_if_name}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+
+| TC16: Honeycomb removes sub-interface ipv4 address
+| | [Documentation] | Check if Honeycomb can remove configured ipv4 addresses\
+| | ... | from the sub-interface.
+| | ...
+| | Given sub-interface ipv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | Run Keyword And Continue On Failure
+| | ... | And sub-interface ipv4 address from VAT should be
+| | ... | ${node} | ${sub_if_name}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | When Honeycomb removes all sub-interface ipv4 addresses
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | Then sub-interface ipv4 address from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And sub-interface ipv4 address from VAT should be empty
+| | ... | ${node} | ${sub_if_name}
+
+| TC17: Honeycomb modifies existing sub-interface ipv4 address
+| | [Documentation] | Check if Honeycomb can modify an ipv4 address already\
+| | ... | configured on the sub-interface.
+| | ...
+| | [Teardown] | Honeycomb removes all sub-interface ipv4 addresses
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given sub-interface ipv4 address from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And sub-interface ipv4 address from VAT should be empty
+| | ... | ${node} | ${sub_if_name}
+| | When Honeycomb sets sub-interface ipv4 address
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | And Honeycomb sets sub-interface ipv4 address
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4_2['address']} | ${ipv4_2['prefix-length']}
+| | Then sub-interface ipv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4_2['address']} | ${ipv4_2['prefix-length']}
+| | And sub-interface ipv4 address from VAT should be
+| | ... | ${node} | ${sub_if_name}
+| | ... | ${ipv4_2['address']} | ${ipv4_2['prefix-length']}
+
+| TC18: Honeycomb modifies sub-interface exact tag match
+| | [Documentation] | Check if Honeycomb can modify a sub-interface with exact\
+| | ... | tag match.
+| | ...
+| | Given Honeycomb configures interface state | ${node} | ${super_if2} | down
+| | And sub-interface Operational Data From Honeycomb Should Be empty
+| | ... | ${node} | ${super_if2} | ${sub_if_id}
+| | And interface Operational Data From VAT Should Be empty
+| | ... | ${node} | ${sub_if2_name}
+| | When Honeycomb creates sub-interface | ${node} | ${super_if2}
+| | ... | ${sub_if_2_match} | ${sub_if_2_tags} | ${sub_if_2_settings}
+| | Then Sub-interface Operational Data From Honeycomb Should Be
+| | ... | ${node} | ${super_if2} | ${sub_if_id} | ${sub_if_2_oper}
+| | And Sub-interface Operational Data From VAT Should Be
+| | ... | ${node} | ${sub_if2_name} | ${sub_if_2_oper}
+| | And sub-interface indices from Honeycomb and VAT should correspond
+| | ... | ${node} | ${super_if2} | ${sub_if_id}
+
+| TC19: Honeycomb configures sub-interface ipv6 address
+| | [Documentation] | Check if Honeycomb can configure an ipv6 address on the\
+| | ... | sub-interface.
+| | ...
+| | Given sub-interface ipv6 address from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And sub-interface ipv6 address from VAT should be empty
+| | ... | ${node} | ${sub_if_name}
+| | When Honeycomb sets sub-interface ipv6 address
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv6['address']} | ${ipv6['prefix-length']}
+| | Then sub-interface IPv6 address from Honeycomb should contain
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv6['address']} | ${ipv6['prefix-length']}
+| | And sub-interface IPv6 address from VAT should contain
+| | ... | ${node} | ${sub_if_name}
+| | ... | ${ipv6['address']} | ${ipv6['prefix-length']}
+
+| TC20: Honeycomb removes sub-interface ipv6 address
+| | [Documentation] | Check if Honeycomb can remove configured ipv6 addresses\
+| | ... | from the sub-interface.
+| | ...
+| | Given sub-interface IPv6 address from Honeycomb should contain
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv6['address']} | ${ipv6['prefix-length']}
+| | Run Keyword And Continue On Failure
+| | ... | And sub-interface IPv6 address from VAT should contain
+| | ... | ${node} | ${sub_if_name}
+| | ... | ${ipv6['address']} | ${ipv6['prefix-length']}
+| | When Honeycomb removes all sub-interface ipv6 addresses
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | Then sub-interface ipv6 address from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And sub-interface ipv6 address from VAT should be empty
+| | ... | ${node} | ${sub_if_name}
+
+| TC21: Honeycomb modifies existing sub-interface ipv6 address
+| | [Documentation] | Check if Honeycomb can modify an ipv6 address already\
+| | ... | configured on the sub-interface.
+| | ...
+| | [Teardown] | Honeycomb removes all sub-interface ipv6 addresses
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Given sub-interface ipv6 address from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And sub-interface ipv6 address from VAT should be empty
+| | ... | ${node} | ${sub_if_name}
+| | When Honeycomb sets sub-interface ipv6 address
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv6['address']} | ${ipv6['prefix-length']}
+| | And Honeycomb sets sub-interface ipv6 address
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv6_2['address']} | ${ipv6_2['prefix-length']}
+| | Then sub-interface IPv6 address from Honeycomb should contain
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv6_2['address']} | ${ipv6_2['prefix-length']}
+| | And sub-interface IPv6 address from VAT should contain
+| | ... | ${node} | ${sub_if_name}
+| | ... | ${ipv6_2['address']} | ${ipv6_2['prefix-length']}
+
+| TC22: Honeycomb can configure unnumbered sub-interface
+| | [Documentation] | Check if Honeycomb can configure an unnumbered interface\
+| | ... | on a sub-interface, borrowing the IP address of a physical interface.
+| | ...
+| | Given sub-interface ipv4 address from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And sub-interface ipv4 address from VAT should be empty
+| | ... | ${node} | ${sub_if_name}
+| | And Honeycomb sets interface IPv4 address | ${node}
+| | ... | ${super_if2} | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | When Honeycomb adds unnumbered configuration to interface
+| | ... | ${node} | ${super_if}.${sub_if_id} | ${super_if2}
+| | Then IPv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if2} | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | And IPv4 address from VAT should be
+| | ... | ${node} | ${super_if2}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']} | ${ipv4['netmask']}
+| | And sub-interface ipv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | And sub-interface ipv4 address from VAT should be
+| | ... | ${node} | ${sub_if_name}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+
+| TC23: Honeycomb removes sub-interface unnumbered configuration
+| | [Documentation] | Check if Honeycomb can remove unnumbered configuration\
+| | ... | from a sub-interface.
+| | ...
+| | [Teardown] | Honeycomb removes interface IPv4 addresses | ${node}
+| | ... | ${super_if2}
+| | ...
+| | Given IPv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if2} | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | And IPv4 address from VAT should be
+| | ... | ${node} | ${super_if2}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']} | ${ipv4['netmask']}
+| | And sub-interface ipv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | And sub-interface ipv4 address from VAT should be
+| | ... | ${node} | ${sub_if_name}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | When Honeycomb removes unnumbered configuration from interface
+| | ... | ${node} | ${super_if}.${sub_if_id}
+| | Then IPv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if2} | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | And IPv4 address from VAT should be
+| | ... | ${node} | ${super_if2}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']} | ${ipv4['netmask']}
+| | And sub-interface ipv4 address from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And sub-interface ipv4 address from VAT should be empty
+| | ... | ${node} | ${sub_if_name}
+
+| TC24: Honeycomb can configure unnumbered interface using a sub-interface
+| | [Documentation] | Check if Honeycomb can configure an unnumbered interface\
+| | ... | on an interface, borrowing the IP address of a sub-interface.
+| | Given IPv4 address from Honeycomb should be empty | ${node} | ${super_if2}
+| | And ipv4 address from VAT should be empty | ${node} | ${super_if2}
+| | And sub-interface ipv4 address from Honeycomb should be empty
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | And sub-interface ipv4 address from VAT should be empty
+| | ... | ${node} | ${sub_if_name}
+| | And Honeycomb sets sub-interface ipv4 address
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | When Honeycomb adds unnumbered configuration to interface
+| | ... | ${node} | ${super_if2} | ${super_if}.${sub_if_id}
+| | Then IPv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if2} | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | And IPv4 address from VAT should be
+| | ... | ${node} | ${super_if2}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']} | ${ipv4['netmask']}
+| | And sub-interface ipv4 address from Honeycomb should be
+| | ... | ${node} | ${super_if} | ${sub_if_id}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+| | And sub-interface ipv4 address from VAT should be
+| | ... | ${node} | ${sub_if_name}
+| | ... | ${ipv4['address']} | ${ipv4['prefix-length']}
+
+*** Keywords ***
+| Set super and sub interfaces up
+| | [Documentation] | Honeycomb sets super-interface and sub-interface up, in \
+| | ... | this order.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - Information about a DUT node. Type: dictionary
+| | ... | - super_interface - Super interface. Type: string
+| | ... | - identifier - Sub-interface identifier. Type: integer or string
+| | ...
+| | ... | *Example:*
+| | ... | \| Set super and sub interfaces up\
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| 1 \|
+| | ...
+| | [Arguments] | ${node} | ${super_interface} | ${identifier}
+| | ...
+| | Honeycomb configures interface state
+| | ... | ${node} | ${super_interface} | up
+| | Honeycomb sets the sub-interface up
+| | ... | ${node} | ${super_interface} | ${identifier}
+
+| Set super and sub interfaces down
+| | [Documentation] | Honeycomb sets super-interface and sub-interface down, in\
+| | ... | this order.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - Information about a DUT node. Type: dictionary
+| | ... | - super_interface - Super interface. Type: string
+| | ... | - identifier - Sub-interface identifier. Type: integer or string
+| | ...
+| | ... | *Example:*
+| | ... | \| Set super and sub interfaces down\
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| 1 \|
+| | ...
+| | [Arguments] | ${node} | ${super_interface} | ${identifier}
+| | ...
+| | Honeycomb configures interface state
+| | ... | ${node} | ${super_interface} | down
+| | Honeycomb sets the sub-interface down
+| | ... | ${node} | ${super_interface} | ${identifier}
+
+| Honeycomb disables tag rewrite
+| | [Documentation] |
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - Information about a DUT node. Type: dictionary
+| | ... | - super_if - Super-interface. Type: string
+| | ... | - identifier - Sub-interface ID. Type: integer or string
+| | ...
+| | ... | *Example:*
+| | ... | \| Honeycomb disables tag rewrite \
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| 1 \|
+| | ...
+| | [Arguments] | ${node} | ${super_if} | ${sub_if_id}
+| | ...
+| | Honeycomb configures tag rewrite
+| | ... | ${node} | ${super_if} | ${sub_if_id} | ${tag_rewrite_disabled}