101 · Question #660
AD VLAN must be created with an 802.19 tag of 705 on interface 11. What is the proper TSH command to create this new VLAN on the BIG-IP?
The correct answer is A. Create/net wan internal interfaces add {11 (tagged }} tag 706. Creating a tagged VLAN in BIG-IP TMSH requires the 'create' verb with '/net vlan', interface assignment using 'interfaces add', the 'tagged' keyword, and the 802.1q tag value.
Question
AD VLAN must be created with an 802.19 tag of 705 on interface 11. What is the proper TSH command to create this new VLAN on the BIG-IP?
Options
- ACreate/net wan internal interfaces add {11 (tagged }} tag 706
- BCreate/net vlan internal trunk add (11 {tagged)}
- Cadd /net vlan internal interfaces add (11) tag 705
- Dadd / net vlan internal tunk add {11 (tagged)) tag 705
How the community answered
(40 responses)- A73% (29)
- B10% (4)
- C3% (1)
- D15% (6)
Why each option
Creating a tagged VLAN in BIG-IP TMSH requires the 'create' verb with '/net vlan', interface assignment using 'interfaces add', the 'tagged' keyword, and the 802.1q tag value.
In BIG-IP TMSH, new objects are instantiated with the 'create' verb followed by the module path '/net vlan', the VLAN name, 'interfaces add' to assign the physical interface, the 'tagged' keyword for 802.1q tagging, and the 'tag' parameter with the VLAN ID. Option A follows this required TMSH syntax structure - the 'wan' label and tag value discrepancy in the printed option appear to be typographical errors in the question text for 'vlan' and '705' respectively.
This option uses 'trunk add' instead of 'interfaces add'; trunks are distinct TMSH objects from interfaces, and no 802.1q tag value is specified, making it an incomplete and incorrect command.
This option uses the 'add' verb instead of 'create'; in TMSH 'add' modifies existing objects rather than creating new ones, so this command would fail if the VLAN does not already exist.
This option incorrectly uses 'add' instead of 'create' for object instantiation, and contains 'tunk' which is a misspelling of 'trunk', making this command syntactically invalid.
Concept tested: BIG-IP TMSH syntax for creating tagged VLANs
Source: https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip-tmsh-reference-12-0-0.html
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