Traffic Flow - which Interface is what?

Hi,

I am using Grafolean for Traffic Flow-Monitoring.
Unfortunately MT sends an Interface-Number (instead of the name):

Screenshot 2022-04-21 003314.jpg
Any chance to get the relation: Interface-Number ↔ Interface-Name??

I tried interface print:

Screenshot 2022-04-21 160953.jpg
No luck, Interface 39 does not show up. It ends at 38.

Next, I did an SNMP-walk for OID 1.3.6.1.2.1.2.2.1.2:

.1.3.6.1.2.1.2.2.1.2.1 = STRING: "ether1"
.1.3.6.1.2.1.2.2.1.2.2 = STRING: "sfp-sfpplus1"
.1.3.6.1.2.1.2.2.1.2.3 = STRING: "sfp-sfpplus2"
.1.3.6.1.2.1.2.2.1.2.4 = STRING: "sfp-sfpplus3"
.1.3.6.1.2.1.2.2.1.2.5 = STRING: "sfp-sfpplus4"
.1.3.6.1.2.1.2.2.1.2.6 = STRING: "sfp-sfpplus5"
.1.3.6.1.2.1.2.2.1.2.7 = STRING: "sfp-sfpplus6"
.1.3.6.1.2.1.2.2.1.2.8 = STRING: "sfp-sfpplus7"
.1.3.6.1.2.1.2.2.1.2.9 = STRING: "sfp-sfpplus8"
.1.3.6.1.2.1.2.2.1.2.10 = STRING: "sfp-sfpplus9"
.1.3.6.1.2.1.2.2.1.2.11 = STRING: "sfp-sfpplus10"
.1.3.6.1.2.1.2.2.1.2.12 = STRING: "sfp-sfpplus11"
.1.3.6.1.2.1.2.2.1.2.13 = STRING: "sfp-sfpplus12"
.1.3.6.1.2.1.2.2.1.2.14 = STRING: "sfp28-1"
.1.3.6.1.2.1.2.2.1.2.15 = STRING: "sfp28-2"
.1.3.6.1.2.1.2.2.1.2.16 = STRING: "LAG0"
.1.3.6.1.2.1.2.2.1.2.17 = STRING: "BR0"
.1.3.6.1.2.1.2.2.1.2.18 = STRING: "VLAN1"
.1.3.6.1.2.1.2.2.1.2.19 = STRING: "VLAN2"
.1.3.6.1.2.1.2.2.1.2.20 = STRING: "VLAN10"
.1.3.6.1.2.1.2.2.1.2.21 = STRING: "VLAN11"
.1.3.6.1.2.1.2.2.1.2.22 = STRING: "VLAN12"
.1.3.6.1.2.1.2.2.1.2.23 = STRING: "VLAN13"
.1.3.6.1.2.1.2.2.1.2.24 = STRING: "VLAN14"
.1.3.6.1.2.1.2.2.1.2.25 = STRING: "VLAN100"
.1.3.6.1.2.1.2.2.1.2.26 = STRING: "VLAN101"
.1.3.6.1.2.1.2.2.1.2.39 = STRING: "PPPoE-xxxxxx"
.1.3.6.1.2.1.2.2.1.2.40 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-1-1"
.1.3.6.1.2.1.2.2.1.2.41 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-1-1-1"
.1.3.6.1.2.1.2.2.1.2.42 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-1-2"
.1.3.6.1.2.1.2.2.1.2.43 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-1-2-1"
.1.3.6.1.2.1.2.2.1.2.44 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-2-1"
.1.3.6.1.2.1.2.2.1.2.45 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-2-1-1"
.1.3.6.1.2.1.2.2.1.2.46 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-2-2"
.1.3.6.1.2.1.2.2.1.2.47 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-2-2-1"
.1.3.6.1.2.1.2.2.1.2.48 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-3-1"
.1.3.6.1.2.1.2.2.1.2.49 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-3-1-1"
.1.3.6.1.2.1.2.2.1.2.50 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-3-2"
.1.3.6.1.2.1.2.2.1.2.51 = STRING: "WLAN.xxxxxxxxxx-cAP-ac-3-2-1"

Here it seems the last number of the OID indicates the interface. Here 39 is PPPoE-Out, which makes sense.
But here, no “Interface 0” is listed… Any glue what 0 is?

And is there a more convenient than a SNMP-Walk? Something directly in Winbox?