1 # Copyright (c) 2019 Cisco and/or its affiliates.
2 # Licensed under the Apache License, Version 2.0 (the "License");
3 # you may not use this file except in compliance with the License.
4 # You may obtain a copy of the License at:
6 # http://www.apache.org/licenses/LICENSE-2.0
8 # Unless required by applicable law or agreed to in writing, software
9 # distributed under the License is distributed on an "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 # See the License for the specific language governing permissions and
12 # limitations under the License.
14 | Library | resources.libraries.python.InterfaceUtil
15 | Library | resources.libraries.python.NodePath
18 | Set interfaces in path up
20 | | ... | *Set UP state on VPP interfaces in path on all DUT nodes and set
21 | | ... | maximal MTU.*
23 # TODO: Rework KW to set all interfaces in path UP and set MTU (including
24 # software interfaces. Run KW at the start phase of VPP setup to split
25 # from other "functional" configuration. This will allow modularity of this
27 | | :FOR | ${dut} | IN | @{duts}
28 | | | ${if1_status} | ${value}= | Run Keyword And Ignore Error
29 | | | ... | Variable Should Exist | ${${dut}_if1}
30 | | | Run Keyword If | '${if1_status}' == 'PASS'
31 | | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1} | up
33 | | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1_1} | up
34 | | | Run Keyword Unless | '${if1_status}' == 'PASS'
35 | | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1_2} | up
36 | | | ${if2_status} | ${value}= | Run Keyword And Ignore Error
37 | | | ... | Variable Should Exist | ${${dut}_if2}
38 | | | Run Keyword If | '${if2_status}' == 'PASS'
39 | | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if2} | up
41 | | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if2_1} | up
42 | | | Run Keyword Unless | '${if2_status}' == 'PASS'
43 | | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if2_2} | up
44 | | :FOR | ${dut} | IN | @{duts}
45 | | | ${if1_status} | ${value}= | Run Keyword And Ignore Error
46 | | | ... | Variable Should Exist | ${${dut}_if1}
47 | | | Run Keyword If | '${if1_status}' == 'PASS'
48 | | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1}
50 | | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1_1}
51 | | | Run Keyword Unless | '${if1_status}' == 'PASS'
52 | | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1_2}
53 | | | ${if2_status} | ${value}= | Run Keyword And Ignore Error
54 | | | ... | Variable Should Exist | ${${dut}_if2}
55 | | | Run Keyword If | '${if2_status}' == 'PASS'
56 | | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if2}
58 | | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if2_1}
59 | | | Run Keyword Unless | '${if2_status}' == 'PASS'
60 | | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if2_2}
61 | | All VPP Interfaces Ready Wait | ${nodes} | retries=${300}
63 | Set single interfaces in path up
65 | | ... | *Set UP state on single VPP interfaces in path on all DUT nodes and set
66 | | ... | maximal MTU.*
68 # TODO: Rework KW to set all interfaces in path UP and set MTU (including
69 # software interfaces. Run KW at the start phase of VPP setup to split
70 # from other "functional" configuration. This will allow modularity of this
72 | | :FOR | ${dut} | IN | @{duts}
73 | | | ${if1_status} | ${value}= | Run Keyword And Ignore Error
74 | | | ... | Variable Should Exist | ${${dut}_if1}
75 | | | Run Keyword If | '${if1_status}' == 'PASS'
76 | | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1} | up
78 | | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1_1} | up
79 | | | Run Keyword Unless | '${if1_status}' == 'PASS'
80 | | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1_2} | up
81 | | :FOR | ${dut} | IN | @{duts}
82 | | | ${if1_status} | ${value}= | Run Keyword And Ignore Error
83 | | | ... | Variable Should Exist | ${${dut}_if1}
84 | | | Run Keyword If | '${if1_status}' == 'PASS'
85 | | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1}
87 | | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1_1}
88 | | | Run Keyword Unless | '${if1_status}' == 'PASS'
89 | | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1_2}
90 | | All VPP Interfaces Ready Wait | ${nodes}
93 | | [Documentation] | Get vhost-user dump.
95 | | ... | *Arguments:*
96 | | ... | - node - DUT node data. Type: dictionary
98 | | [Arguments] | ${dut_node}
100 | | [Return] | ${vhost_dump}
102 | | ${vhost_dump}= | Vhost User Dump | ${dut_node}
104 | Initialize layer interface on node
106 | | ... | Baseline interfaces variables to be created.
108 | | ... | *Arguments:*
109 | | ... | - dut - DUT node. Type: string
110 | | ... | - count - Number of baseline interface variables. Type: integer
114 | | ... | \| Initialize layer interface on node \| DUT1 \| 1 \|
116 | | [Arguments] | ${dut} | ${count}=${1}
118 | | ${dut_str}= | Convert To Lowercase | ${dut}
119 | | :FOR | ${id} | IN RANGE | 1 | ${count} + 1
120 | | | Set Test Variable | ${${dut_str}_if_${id}_1} | ${${dut_str}_if1}
121 | | | Set Test Variable | ${${dut_str}_if_${id}_2} | ${${dut_str}_if2}
123 | Initialize layer interface
125 | | ... | Physical interfaces variables to be created on all DUTs.
127 | | ... | *Arguments:*
128 | | ... | - count - Number of untagged interfaces variables. Type: integer
132 | | ... | \| Initialize layer interface \| 1 \|
134 | | [Arguments] | ${count}=${1}
136 | | :FOR | ${dut} | IN | @{duts}
137 | | | Initialize layer interface on node | ${dut} | count=${count}
138 | | Set Test Variable | ${prev_layer} | if
139 | | Set interfaces in path up
141 | Initialize layer driver
143 | | ... | Initialize driver based interfaces on each DUT. Interfaces are
144 | | ... | brought up.
146 | | [Arguments] | ${driver}
148 # TODO: Introduce the Pre- Initialize layer driver for preparing driver before
149 # VPP starts and then Post- Initialize layer driver for preparing interfaces
150 # after VPP starts. This way we can control actions needed for proper handling
151 # of various driver-based interfaces in VPP.
152 | | :FOR | ${dut} | IN | @{duts}
153 | | | Run Keyword | Initialize layer ${driver} on node | ${dut}
154 | | Set Test Variable | ${prev_layer} | vf
155 | | Set interfaces in path up
157 | Initialize layer vfio-pci on node
159 | | ... | Initialize vfio-pci interfaces on DUT.
161 | | ... | *Arguments:*
162 | | ... | - dut - DUT node. Type: string
166 | | ... | \| Initialize layer vfio-pci on node \| DUT1 \|
168 | | [Arguments] | ${dut}
172 | Initialize layer avf on node
174 | | ... | Initialize AVF interfaces on DUT.
176 | | ... | *Arguments:*
177 | | ... | - dut - DUT node. Type: string
181 | | ... | \| Initialize layer avf on node \| DUT1 \|
183 | | [Arguments] | ${dut}
185 | | ${dut_str}= | Convert To Lowercase | ${dut}
186 | | ${if1_vlan}= | Get Interface Vlan | ${nodes['${dut}']} | ${${dut}_if1}
187 | | ${if2_vlan}= | Get Interface Vlan | ${nodes['${dut}']} | ${${dut}_if2}
188 | | Set Test Variable | ${${dut_str}_vlan1} | ${if1_vlan}
189 | | Set Test Variable | ${${dut_str}_vlan2} | ${if2_vlan}
190 | | ${if1_pci}= | Get Interface PCI Addr | ${nodes['${dut}']}
191 | | ... | ${${dut}_if1_vf0}
192 | | ${if2_pci}= | Get Interface PCI Addr | ${nodes['${dut}']}
193 | | ... | ${${dut}_if2_vf0}
194 | | ${dut_eth_vf_if1}= | VPP Create AVF Interface | ${nodes['${dut}']}
195 | | ... | ${if1_pci} | ${rxq_count_int}
196 | | ${dut_eth_vf_if1_mac}= | Get Interface MAC | ${nodes['${dut}']}
197 | | ... | ${dut_eth_vf_if1}
198 | | ${dut_eth_vf_if2}= | VPP Create AVF Interface | ${nodes['${dut}']}
199 | | ... | ${if2_pci} | ${rxq_count_int}
200 | | ${dut_eth_vf_if2_mac}= | Get Interface MAC | ${nodes['${dut}']}
201 | | ... | ${dut_eth_vf_if2}
202 | | Set Test Variable | ${${dut_str}_if1} | ${dut_eth_vf_if1}
203 | | Set Test Variable | ${${dut_str}_if2} | ${dut_eth_vf_if2}
204 | | Set Test Variable | ${${dut_str}_if1_mac} | ${dut_eth_vf_if1_mac}
205 | | Set Test Variable | ${${dut_str}_if2_mac} | ${dut_eth_vf_if2_mac}
207 | Initialize layer bonding on node
209 | | ... | Bonded interface and variables to be created on across east and
210 | | ... | west DUT's node interfaces.
212 | | ... | *Arguments:*
213 | | ... | - dut - DUT node. Type: string
214 | | ... | - bond_mode - Link bonding mode. Type: string
215 | | ... | - lb_mode - Load balance mode. Type: string
216 | | ... | - count - Number of bond interface variables. Type: integer
220 | | ... | \| Initialize layer bonding on node \| DUT1 \| xor \| l34 \| 1 \|
222 | | [Arguments] | ${dut} | ${bond_mode}=xor | ${lb_mode}=l34 | ${count}=${1}
224 | | ${dut_str}= | Convert To Lowercase | ${dut}
225 | | ${if_index}= | VPP Create Bond Interface
226 | | ... | ${nodes['${dut}']} | ${bond_mode} | load_balance=${lb_mode}
227 | | ... | mac=00:00:00:01:01:01
228 | | Set Interface State | ${nodes['${dut}']} | ${if_index} | up
229 | | VPP Enslave Physical Interface
230 | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_1_1} | ${if_index}
231 | | VPP Enslave Physical Interface
232 | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_1_2} | ${if_index}
233 | | :FOR | ${id} | IN RANGE | 1 | ${count} + 1
234 | | | Set Test Variable | ${${dut_str}_bond_${id}_1} | ${if_index}
235 | | | Set Test Variable | ${${dut_str}_bond_${id}_2} | ${if_index}
237 | Initialize layer bonding
239 | | ... | Bonded interfaces and variables to be created on all DUT's interfaces.
241 | | ... | *Arguments:*
242 | | ... | - bond_mode - Link bonding mode. Type: string
243 | | ... | - lb_mode - Load balance mode. Type: string
244 | | ... | - count - Number of bond interface variables. Type: integer
248 | | ... | \| Initialize layer bonding \| xor \| l34 \| 1 \|
250 | | [Arguments] | ${bond_mode}=xor | ${lb_mode}=l34 | ${count}=${1}
252 | | :FOR | ${dut} | IN | @{duts}
253 | | | Initialize layer bonding on node
254 | | | ... | ${dut} | bond_mode=${bond_mode} | lb_mode=${lb_mode}
255 | | | ... | count=${count}
256 | | Set Test Variable | ${prev_layer} | bond
258 | Initialize layer dot1q on node for chain
260 | | ... | Optionally create tag popping subinterface per chain.
261 | | ... | Return interface indices for dot1q layer interfaces,
262 | | ... | or Nones if subinterfaces are not created.
264 | | ... | *Arguments:*
265 | | ... | - dut - DUT node. Type: string
266 | | ... | - id - Positive index of the chain. Type: integer
267 | | ... | - vlan_per_chain - Whether to create vlan subinterface for each chain.
268 | | ... | Type: boolean
272 | | ... | \| Initialize layer dot1q on node for chain \| DUT1 \| 1 \| True \|
274 | | [Arguments] | ${dut} | ${id} | ${vlan_per_chain}=${True}
276 | | ${dut_str}= | Convert To Lowercase | ${dut}
277 | | Return From Keyword If | ${id} != ${1} and not ${vlan_per_chain}
278 | | ... | ${NONE} | ${NONE}
279 | | # TODO: Is it worth creating Get Variable Value If Not None keyword?
280 | | ${default}= | Evaluate | ${100} + ${id} - ${1}
281 | | ${if1_vlan}= | Get Variable Value | \${${dut_str}_vlan1}
282 | | ${if1_vlan}= | Set Variable If | '${if1_vlan}' != '${NONE}'
283 | | ... | ${if1_vlan} | ${default}
284 | | ${default}= | Evaluate | ${200} + ${id} - ${1}
285 | | ${if2_vlan}= | Get Variable Value | \${${dut_str}_vlan2}
286 | | ${if2_vlan}= | Set Variable If | '${if2_vlan}' != '${NONE}'
287 | | ... | ${if2_vlan} | ${default}
288 | | ${if1_name} | ${if1_index}= | Create Vlan Subinterface
289 | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_${id}_1}
290 | | ... | ${if1_vlan}
291 | | ${if2_name} | ${if2_index}= | Create Vlan Subinterface
292 | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_${id}_2}
293 | | ... | ${if2_vlan}
294 | | Set Interface State | ${nodes['${dut}']} | ${if1_index} | up
295 | | Set Interface State | ${nodes['${dut}']} | ${if2_index} | up
296 | | Configure L2 tag rewrite method on interfaces
297 | | ... | ${nodes['${dut}']} | ${if1_index} | TAG_REWRITE_METHOD=pop-1
298 | | Configure L2 tag rewrite method on interfaces
299 | | ... | ${nodes['${dut}']} | ${if2_index} | TAG_REWRITE_METHOD=pop-1
300 | | Return From Keyword | ${if1_index} | ${if2_index}
302 | Initialize layer dot1q on node
304 | | ... | Dot1q interfaces and variables to be created on all DUT's node
305 | | ... | interfaces.
307 | | ... | TODO: Unify names for number of chains/pipelines/instances/interfaces.
308 | | ... | Chose names and descriptions that makes sense for both
309 | | ... | nf_density and older tests.
310 | | ... | Note that with vlan_per_chain=False it is not a number of interfaces.
311 | | ... | At least not number of real interfaces, just number of aliases.
312 | | ... | This TODO applies also to all keywords with nf_chains argument.
314 | | ... | *Arguments:*
315 | | ... | - dut - DUT node. Type: string
316 | | ... | - count - Number of chains. Type: integer
317 | | ... | - vlan_per_chain - Whether to create vlan subinterface for each chain.
318 | | ... | Type: boolean
319 | | ... | - start - Id of first chain, allows adding chains during test.
320 | | ... | Type: integer
324 | | ... | \| Initialize layer dot1q on node \| DUT1 \| 3 \| True \| 2 \|
326 | | [Arguments] | ${dut} | ${count}=${1} | ${vlan_per_chain}=${True}
327 | | ... | ${start}=${1}
329 | | ${dut_str}= | Convert To Lowercase | ${dut}
330 | | :FOR | ${id} | IN RANGE | ${start} | ${count} + 1
331 | | | ${if1_index} | ${if2_index}= | Initialize layer dot1q on node for chain
332 | | | ... | dut=${dut} | id=${id} | vlan_per_chain=${vlan_per_chain}
333 | | | # First id results in non-None indices, after that _1_ are defined.
334 | | | ${if1_index}= | Set Variable If | '${if1_index}' == '${NONE}'
335 | | | ... | ${${dut_str}_dot1q_1_1} | ${if1_index}
336 | | | ${if2_index}= | Set Variable If | '${if2_index}' == '${NONE}'
337 | | | ... | ${${dut_str}_dot1q_1_2} | ${if2_index}
338 | | | Set Test Variable | ${${dut_str}_dot1q_${id}_1} | ${if1_index}
339 | | | Set Test Variable | ${${dut_str}_dot1q_${id}_2} | ${if2_index}
341 | Initialize layer dot1q
343 | | ... | Dot1q interfaces and variables to be created on all DUT's interfaces.
345 | | ... | *Arguments:*
346 | | ... | - count - Number of chains. Type: integer
347 | | ... | - vlan_per_chain - Whether to create vlan subinterface for each chain.
348 | | ... | Type: boolean
349 | | ... | - start - Id of first chain, allows adding chains during test.
350 | | ... | Type: integer
352 | | ... | \| Initialize layer dot1q \| 3 \| True \| 2 \|
354 | | [Arguments] | ${count}=${1} | ${vlan_per_chain}=${True} | ${start}=${1}
356 | | :FOR | ${dut} | IN | @{duts}
357 | | | Initialize layer dot1q on node | ${dut} | count=${count}
358 | | | ... | vlan_per_chain=${vlan_per_chain} | start=${start}
359 | | Set Test Variable | ${prev_layer} | dot1q
361 | Initialize layer ip4vxlan on node
363 | | ... | Setup VXLANoIPv4 between TG and DUTs and DUT to DUT by connecting
364 | | ... | physical and vxlan interfaces on each DUT. All interfaces are brought
365 | | ... | up. IPv4 addresses with prefix /24 are configured on interfaces
366 | | ... | towards TG. VXLAN sub-interfaces has same IPv4 address as interfaces.
368 | | ... | *Arguments:*
369 | | ... | - dut - DUT node. Type: string
370 | | ... | - count - Number of vxlan interfaces. Type: integer
371 | | ... | - start - Id of first chain, allows adding chains during test.
372 | | ... | Type: integer
376 | | ... | \| Initialize layer ip4vxlan on node \| DUT1 \| 3 \| 2 \|
378 | | [Arguments] | ${dut} | ${count}=${1} | ${start}=${1}
380 | | ${dut_str}= | Convert To Lowercase | ${dut}
381 | | Run Keyword If | "${start}" == "1" | VPP Interface Set IP Address
382 | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_1_1}
383 | | ... | 172.16.0.1 | 24
384 | | Run Keyword If | "${start}" == "1" | VPP Interface Set IP Address
385 | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_1_2}
386 | | ... | 172.26.0.1 | 24
387 | | :FOR | ${id} | IN RANGE | ${start} | ${count} + 1
388 | | | ${subnet}= | Evaluate | ${id} - 1
389 | | | ${vni}= | Evaluate | ${id} - 1
390 | | | ${ip4vxlan_1}= | Create VXLAN interface
391 | | | ... | ${nodes['${dut}']} | ${vni} | 172.16.0.1 | 172.17.${subnet}.2
392 | | | ${ip4vxlan_2}= | Create VXLAN interface
393 | | | ... | ${nodes['${dut}']} | ${vni} | 172.26.0.1 | 172.27.${subnet}.2
394 | | | ${prev_mac}= | Set Variable If | '${dut}' == 'DUT1'
395 | | | ... | ${tg_if1_mac} | ${dut1_if2_mac}
396 | | | ${next_mac}= | Set Variable If | '${dut}' == 'DUT1' and ${duts_count} == 2
397 | | | ... | ${dut2_if1_mac} | ${tg_if2_mac}
398 | | | VPP Add IP Neighbor
399 | | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_${id}_1}
400 | | | ... | 172.16.${subnet}.2 | ${prev_mac}
401 | | | VPP Add IP Neighbor
402 | | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_${id}_2}
403 | | | ... | 172.26.${subnet}.2 | ${next_mac}
405 | | | ... | ${nodes['${dut}']} | 172.17.${subnet}.0 | 24
406 | | | ... | gateway=172.16.${subnet}.2
407 | | | ... | interface=${${dut_str}_${prev_layer}_${id}_1}
409 | | | ... | ${nodes['${dut}']} | 172.27.${subnet}.0 | 24
410 | | | ... | gateway=172.26.${subnet}.2
411 | | | ... | interface=${${dut_str}_${prev_layer}_${id}_2}
412 | | | Set VXLAN Bypass
413 | | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_${id}_1}
414 | | | Set VXLAN Bypass
415 | | | ... | ${nodes['${dut}']} | ${${dut_str}_${prev_layer}_${id}_2}
416 | | | Set Test Variable
417 | | | ... | ${${dut_str}_ip4vxlan_${id}_1} | ${ip4vxlan_1}
418 | | | Set Test Variable
419 | | | ... | ${${dut_str}_ip4vxlan_${id}_2} | ${ip4vxlan_2}
421 | Initialize layer ip4vxlan
423 | | ... | VXLAN interfaces and variables to be created on all DUT's interfaces.
425 | | ... | *Arguments:*
426 | | ... | - count - Number of vxlan interfaces. Type: integer
427 | | ... | - start - Id of first chain, allows adding chains during test.
428 | | ... | Type: integer
430 | | ... | \| Initialize layer ip4vxlan \| 3 \| 2 \|
432 | | [Arguments] | ${count}=${1} | ${start}=${1}
434 | | :FOR | ${dut} | IN | @{duts}
435 | | | Initialize layer ip4vxlan on node | ${dut} | count=${count}
436 | | ... | start=${start}
437 | | Set Test Variable | ${prev_layer} | ip4vxlan
439 | Configure vhost interfaces
441 | | ... | Create two Vhost-User interfaces on defined VPP node.
443 | | ... | *Arguments:*
444 | | ... | - ${dut_node} - DUT node. Type: dictionary
445 | | ... | - ${sock1} - Socket path for first Vhost-User interface. Type: string
446 | | ... | - ${sock2} - Socket path for second Vhost-User interface. Type: string
447 | | ... | - ${vhost_if1} - Name of the first Vhost-User interface (Optional).
448 | | ... | Type: string
449 | | ... | - ${vhost_if2} - Name of the second Vhost-User interface (Optional).
450 | | ... | Type: string
452 | | ... | _NOTE:_ This KW sets following test case variable:
453 | | ... | - ${${vhost_if1}} - First Vhost-User interface.
454 | | ... | - ${${vhost_if2}} - Second Vhost-User interface.
458 | | ... | \| Configure vhost interfaces \
459 | | ... | \| ${nodes['DUT1']} \| /tmp/sock1 \| /tmp/sock2 \|
460 | | ... | \| Configure vhost interfaces \
461 | | ... | \| ${nodes['DUT2']} \| /tmp/sock1 \| /tmp/sock2 \| dut2_vhost_if1 \
462 | | ... | \| dut2_vhost_if2 \|
464 | | [Arguments] | ${dut_node} | ${sock1} | ${sock2} | ${vhost_if1}=vhost_if1
465 | | ... | ${vhost_if2}=vhost_if2
467 | | ${vhost_1}= | Vpp Create Vhost User Interface | ${dut_node} | ${sock1}
468 | | ${vhost_2}= | Vpp Create Vhost User Interface | ${dut_node} | ${sock2}
469 | | ${vhost_1_key}= | Get Interface By SW Index | ${dut_node} | ${vhost_1}
470 | | ${vhost_2_key}= | Get Interface By SW Index | ${dut_node} | ${vhost_2}
471 | | ${vhost_1_mac}= | Get Interface MAC | ${dut_node} | ${vhost_1_key}
472 | | ${vhost_2_mac}= | Get Interface MAC | ${dut_node} | ${vhost_2_key}
473 | | Set Interface State | ${dut_node} | ${vhost_1} | up
474 | | Set Interface State | ${dut_node} | ${vhost_2} | up
475 | | Set Test Variable | ${${vhost_if1}} | ${vhost_1}
476 | | Set Test Variable | ${${vhost_if2}} | ${vhost_2}
477 | | Set Test Variable | ${${vhost_if1}_mac} | ${vhost_1_mac}
478 | | Set Test Variable | ${${vhost_if2}_mac} | ${vhost_2_mac}