# CCIE R&S Lab Equipment

**URL:** https://forum.networklessons.com/t/ccie-r-s-lab-equipment/1128
**Category:** Lessons Discussion
**Created:** [December 27, 2016, 4:12pm UTC](https://forum.networklessons.com/t/ccie-r-s-lab-equipment/1128 "2016-12-27T16:12:01Z")
**Posts on this page:** 1
**Showing post:** 54

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### Author: ![robwu8](https://cdn-forum.networklessons.com/letter_avatar_proxy/v4/letter/r/7feea3/32.png) [@robwu8](https://forum.networklessons.com/u/robwu8)
#### Post date: [December 13, 2020, 5:20pm UTC](https://forum.networklessons.com/t/ccie-r-s-lab-equipment/1128/54 "2020-12-13T17:20:16Z")

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Actually it looks like a sub-interface topology would be useful for these multiaccess topologies;

> [@EIGRP Loop-Free Alternate (LFA) Fast Reroute (FRR)](https://forum.networklessons.com/t/eigrp-loop-free-alternate-lfa-fast-reroute-frr/2149):
>
> This topic is to discuss the following lesson:

 ![image](https://cdn-forum.networklessons.com/uploads/default/original/2X/6/612fd7ddf51c066d8cb0a8b986905bc0dc50e06e.jpeg)

> **[EIGRP Add Path Support](https://networklessons.com/eigrp/eigrp-add-path-support)**
>
> EIGRP Add Path Support allows DMVPN hub routers to advertise multiple equal cost routes to spoke routers. This way, spoke routers can use ECMP.

 ![image](https://cdn-forum.networklessons.com/uploads/default/original/2X/e/efa347a471a925744509179724ecc05d75b1c378.jpeg)

Any chance to get a sub-interface configuration update in the near future?

Cheers,  
Rob

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