HA Bigmoby Add-on: WireGuard Client

Configuration
1

This post is not about WireGuard community add-on since that can only be run in server mode.

This post is for the add-on made by bigmoby, WireGuard client.

I’m trying to use this to connect two Home Assistant instances. but the settings are not right and i cannot access the remote client, any ideas what is wrong

interface:
  private_key: "my key"
  address: 192.168.2.5/24
  dns:
    - 192.168.1.1
  post_up: >-
    iptables -t nat -A POSTROUTING -o wg0 -j MASQUERADE; iptables -A FORWARD -p
    tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
  post_down: >-
    iptables -t nat -D POSTROUTING -o wg0 -j MASQUERADE; iptables -D FORWARD -p
    tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
  mtu: 1420
peers:
  - public_key: "my key"
    endpoint: myvpn.duckdns.org:51820
    allowed_ips:
      - 0.0.0.0/0
    persistent_keep_alive: "25"