 : " APIC Password" POSTMAN Tool is used to send API requests. In the below method POST method has been used highlighted in Orange, based on Java Script Object Notation (JSON) as its body. Once the "Send" is clicked, It returns a response code that confirm If the REST Call is successful. If the response code is a well known value of 200, It indicates the REST call is received and processed and a response is returned. Common status codes in REST Architecture: Status okay (200). 201 Created 202 Accepted 400 Bad Request 404 Not Found Figure 7. https://</P-of-APIC>/api/aaaLogin.json Params Authorization Headers (1) Pre-request Script Tests Cookies Code form-data *-www-form-uriencoded binary "asaUser" { "attributes" "name" : "Username of the APIC", "pwd" "APIC Password" Downloaded: 4/15/2022 9:44:49 AM Nova Southeastern University IP Address: 137.52.76.29 SDN Practical Orientation 408 Request Timeout 500 Internal Server Error 503 Service Unavailable 502 Bad Gateway 501 Not Implemented Refresh messages are required to maintain the authenticated session with the APIC Controller before the timeout period. In order to send the refresh message, following execution is needed: https://<IP-of-APIC>/api/aaaRefresh.json no payload This should send the status back as status okay (200). Create a Tenant and VRF After we have logged into the APIC (Controller), with the following API request, VRF named "VRFSales" will be created with the Tenant name as "TenantSales". VRF is also called as Private Network in ACI environment. POST https://<IP-of-APIC>/api/node/mo.jsor "polUni": { "attributes": { } "children" : [ { "fvTenant" { "attributes": { "name" : "TenantSales" "children" : [ { "fvCtx" : { "attributes" : { "name": "VRFSales " Downloaded 4/15/2022 9:44:49 AM Nova Southeastern University IP Address: 137.52.76.29 SDN Practical Orientation Tenant is actually a child of the overall ACI system known as the 'Policy Universe' (polUni). Authentication REST API username and password based authentication uses following subset of request URIs