# Manage a WAN DHCP router

**URL:** <https://forum.genieacs.com/t/manage-a-wan-dhcp-router/4513>\
**Category:** Uncategorized\
**Created:** [September 20, 2023, 1:06pm UTC](https://forum.genieacs.com/t/manage-a-wan-dhcp-router/4513 "2023-09-20T13:06:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![baptiste](https://avatars.discourse-cdn.com/v4/letter/b/cab0a1/32.png) [@baptiste](https://forum.genieacs.com/u/baptiste)\
**Post date:** [September 20, 2023, 1:06pm UTC](https://forum.genieacs.com/t/manage-a-wan-dhcp-router/4513/1 "2023-09-20T13:06:10Z")

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Hello,

I have a problem.  
I have some routers that are behind an xDSL modem. They have a private IP on their WAN port (example: 192.168.10.254).  
These routers send their information to my ACS but when I want to update the routers’ information or change their configuration they are unreachable.  
I find this normal because Connection Request URL is for example [http://192.168.0.254:7547/BA35A1BE[...]8](http://192.168.0.254:7547/BA35A1BE%5B...%5D8)  
I’ve searched for several hours on the internet and on this forum but I haven’t found a solution.  
I saw that you could use UPnP or STUN but I didn’t understand.

Thanks for your help!

Baptiste

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**Author:** ![Mateusz](https://avatars.discourse-cdn.com/v4/letter/m/958977/32.png) [@Mateusz](https://forum.genieacs.com/u/Mateusz)\
**Post date:** [September 25, 2023, 7:20am UTC](https://forum.genieacs.com/t/manage-a-wan-dhcp-router/4513/2 "2023-09-25T07:20:46Z")

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Hi @baptiste  
XMPP is the protocol to be used for instant connection requests to the CWMP-managed devices behind the NAT. You can find the theory of its operations in the BBF TR-069 document: [https://www.broadband-forum.org/pdfs/tr-069-1-6-1.pdf](https://www.broadband-forum.org/pdfs/tr-069-1-6-1.pdf), Annex K.

GenieACS XMPP branch on github: [GitHub - genieacs/genieacs at xmpp](https://github.com/genieacs/genieacs/tree/xmpp)

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**Author:** ![baptiste](https://avatars.discourse-cdn.com/v4/letter/b/cab0a1/32.png) [@baptiste](https://forum.genieacs.com/u/baptiste)\
**Post date:** [September 25, 2023, 7:55am UTC](https://forum.genieacs.com/t/manage-a-wan-dhcp-router/4513/3 "2023-09-25T07:55:35Z")

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Thanks @Mateusz !

I’m going to read this.