Nebula Site-to-Site SD-VPN between USG Flex and USG Flex H doesent work

KMZ · May 20

I have an issue with the Nebula VPN between a USG Flex H and a USG Flex.
No connection is being established via the Nebula SD-VPN. Connections using a Manual-link VPN are working.

These errors are in the Log.

IPSec VPN SA_7049 C9_11 is down, try to nail up

IPSec VPN SA_FC22F 9FC_11 is down, try to nail up

IPSec VPN SA_FC2 78C_11 is down, try to nail up

IPSec VPN SA_FC2 1E1_11 is down, try to nail up

IPSec VPN SA_F44 4EC1_11 is down, try to nail up

IPSec VPN SA_F44D5 2A_11 is down, try to nail up

IPSec VPN SA_FC2 72_11 is down, try to nail up

All my USG Flex without H are Working with Nebula SD-VPN.

Can anyone help?

Zyxel_Melen · May 21

Hi @KMZ

Could you help to enable Zyxel support access and share your organization's name so we can access to check?

https://community.zyxel.com/en/discussion/14234/nebula-how-to-turn-on-zyxel-support-access

KMZ · May 21

Hello,

I enabled the support access.

Organization's Name: Landkreis Nordwestmecklenburg

Site: KAM Buero

Thank you.

Zyxel_Melen · May 22

Hi @KMZ

This is because the H side VPN DDNS didn't update. This is a bug on firmware. I will provide you the fix via private message.

Nebula Site-to-Site SD-VPN between USG Flex and USG Flex H doesent work

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