edgemesh-agteway是否必须部署在公网

[biao-lvwan]

edgemesh-gateway是否必须部署在公网，我使用https://edgemesh.netlify.app/zh/guide/edge-gateway.html#%E6%89%8B%E5%8A%A8%E9%83%A8%E7%BD%B2 部署edgemesh-gateway,报错，目前部署在master节点，没有公网，所以没有配置中继节点：
配置如下

报错如下：
E0201 01:21:03.011134 1 loadbalancer.go:686] "Dial failed" err="get proxy stream from dev-edge-02 error: new stream between dev-edge-02: {12D3KooWQPLuTsUudb94pqeh26A7U27ZJFwut71ndmNFkcQJHJXu: []} err: failed to find any peer in table"
E0201 01:21:03.261800 1 loadbalancer.go:686] "Dial failed" err="get proxy stream from dev-edge-02 error: new stream between dev-edge-02: {12D3KooWQPLuTsUudb94pqeh26A7U27ZJFwut71ndmNFkcQJHJXu: []} err: failed to find any peer in table"
E0201 01:21:03.762769 1 loadbalancer.go:686] "Dial failed" err="get proxy stream from dev-edge-02 error: new stream between dev-edge-02: {12D3KooWQPLuTsUudb94pqeh26A7U27ZJFwut71ndmNFkcQJHJXu: []} err: failed to find any peer in table"
E0201 01:21:04.763184 1 loadbalancer.go:686] "Dial failed" err="get proxy stream from dev-edge-02 error: new stream between dev-edge-02: {12D3KooWQPLuTsUudb94pqeh26A7U27ZJFwut71ndmNFkcQJHJXu: []} err: failed to find any peer in table"
E0201 01:21:06.763948 1 tcp.go:35] "Failed to connect to balancer" err="failed to connect to an endpoint"

[Poorunga]

如果不需要edgemesh-gateway做跨云边（跨子网）通信，则不需要配置公网IP