# Eigrp external route filter

**URL:** https://forum.networklessons.com/t/eigrp-external-route-filter/6622
**Category:** EIGRP
**Created:** [March 25, 2019, 11:14am UTC](https://forum.networklessons.com/t/eigrp-external-route-filter/6622 "2019-03-25T11:14:59Z")
**Posts on this page:** 3
**Page:** 1

<div class="post-metadata">

### Author: ![sreeharshan](https://cdn-forum.networklessons.com/letter_avatar_proxy/v4/letter/s/439d5e/32.png) [@sreeharshan](https://forum.networklessons.com/u/sreeharshan)
#### Post date: [March 25, 2019, 11:14am UTC](https://forum.networklessons.com/t/eigrp-external-route-filter/6622/1 "2019-03-25T11:14:59Z")

</div>

Hi,  
I have two routers in AS100. I need to stop exchanging all future and existing external (D EX) routes from these routers. Note that I cannot use access lists, prefix lists or route-maps. any thoughts?  
Thanks  
Harshan

---

<div class="post-metadata">

### Author: ![lagapidis](https://cdn-forum.networklessons.com/user_avatar/forum.networklessons.com/lagapidis/32/4949_2.png) [@lagapidis](https://forum.networklessons.com/u/lagapidis)
#### Post date: [March 26, 2019, 4:51pm UTC](https://forum.networklessons.com/t/eigrp-external-route-filter/6622/2 "2019-03-26T16:51:47Z")

</div>

A post was merged into an existing topic: [How to Filter Prefixes with Distribute-list](https://forum.networklessons.com/t/how-to-filter-prefixes-with-distribute-list/943)

---

<div class="post-metadata">

### Author: ![lagapidis](https://cdn-forum.networklessons.com/user_avatar/forum.networklessons.com/lagapidis/32/4949_2.png) [@lagapidis](https://forum.networklessons.com/u/lagapidis)
#### Post date: [March 26, 2019, 4:51pm UTC](https://forum.networklessons.com/t/eigrp-external-route-filter/6622/3 "2019-03-26T16:51:47Z")

</div>