[lwip-users] Fixed and dynamic IP simultaneously

[Kindt, Jan]

Hi,

 

Is it possible to have the one ethernet controller have a fixed and a dynamic IP address. I’m running lwIP-0.7.1.

 

I started with this : (with ipaddr, netmask & gw set to 0)

 

lwip_init();

netif_add(&netif, &ipaddr, &netmask, &gw, (void*)dev_list_ptr, lan91c111if_init, ip_input);

dhcp_start(&netif);

netif_set_default(&netif);

 

This gives me an ip address from my dhcp server. I get ping replies from my device.

 

Then I added following lines.. (with ipaddr, netmast & gw set to the fixed addresses I want)

 

      netif_add(&netif, &ipaddr, &netmask, &gw, (void*)dev_list_ptr, lan91c111if_init, ip_input);

 

The DHCP client that was started is now unable to get a dynamic address and the fixed address doesn’t function also.

 

I’m sure that I’m doing things wrong. I just would like to have a pointer to where to search for a solution.

 

Best regards,
Jan

 

 

Jan Kindt
Sr. Electronic Engineer
Barco Projection | Presentation & Simulation
Noordlaan 5
8520 Kuurne
Tel: +32 56 368624
www.barco.com
address@hidden

 

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