systemd-network dhcp server gateway IP address issue

[Dino Joseph Mycle <dinomycle@xxxxxxxxx>]

Hello All,

I am trying to use the DHCP server coming with the systemd-networkd. I am trying to set the Gateway IP address different from the eth0/server ip address. but i am always getting in the dhcpclient the IP address of the eth0/server IP . 

Below is the network file 

[Match]

Name=eth0

[Network]

Address=192.168.0.1/24

Gateway=192.168.0.2

DHCPServer=yes

[DHCPServer]

PoolOffset=112

PoolSize=16

EmitTimezone=false

looking at the source code 

src/libsystemd-network/sd-dhcp-server.c 

 if (server->emit_router) {                                                                              

    r = dhcp_option_append(&packet->dhcp, req->max_optlen, &offset, 0,

                            SD_DHCP_OPTION_ROUTER, 4, &server->address);

    if (r < 0)

        return r;

}

I see that it's appending SD_DHCP_OPTION_ROUTER with server->address, if my above understanding is correct, Is the dhcp server only designed to allocate gateway ip address same as the server IP address? or am I missing some configuration or it's a bug we need to fix ?

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