# Ospf demand circuit
**URL:** https://forum.networklessons.com/t/ospf-demand-circuit/13195
**Category:** OSPF
**Created:** [December 29, 2020, 6:56am UTC](https://forum.networklessons.com/t/ospf-demand-circuit/13195 "2020-12-29T06:56:47Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@vijayjaggala23](https://forum.networklessons.com/u/vijayjaggala23)
#### Post date: [December 29, 2020, 6:56am UTC](https://forum.networklessons.com/t/ospf-demand-circuit/13195/1 "2020-12-29T06:56:47Z")
I see no topic on ospf demand circuit. Could you please guide me on it.
---
### Author:  [@lagapidis](https://forum.networklessons.com/u/lagapidis)
#### Post date: [December 31, 2020, 8:52am UTC](https://forum.networklessons.com/t/ospf-demand-circuit/13195/2 "2020-12-31T08:52:42Z")
Hello Vijay
It is true that there is no lesson about this specific topic. However, you can find some info about it and a related lab at the following GNS3Vault link:
[https://gns3vault.com/ospf/ospf-demand-circuit](https://gns3vault.com/ospf/ospf-demand-circuit)
Now if you want to suggest that this topic be included in the NetworkLessons site, feel free to visit the Member Ideas page and make a suggestion. You may find that others have made similar suggestions, and you can add your voice to theirs.
> **[Lesson Ideas - NetworkLessons.com](https://networklessons.com/lesson-ideas)**
>
> This page allows networklessons members to share what content they would like to see in the future.
I hope this has been helpful!
Laz
---
### Author:  [@vijayjaggala23](https://forum.networklessons.com/u/vijayjaggala23)
#### Post date: [January 18, 2021, 9:15pm UTC](https://forum.networklessons.com/t/ospf-demand-circuit/13195/3 "2021-01-18T21:15:23Z")
Thanks for the support