[lwip-users] LWIP Dual Stack - IPv4 and IPv6

[Zayzay, Edman G]

Hi,

 

I am running LwiP 2.1.2 and have been able to successfully run IPv4 and IPv6 individually with PPPoS. However, whenever I enable both IPv4 and IPv6 on PPPoS, I am seeing only the IPV6CP ConfigReq is being responded to. I do not see one IPCP ConfigReq goes out and nothing is sent. I tested on the Linux and saw the Linux is sending multiple IPCP ConfigReq during negotiation until the modem respond to both IPCP and IPv6CP ConfigReq. My FSM_TIMEOUT is set to the default 6 seconds. When the PPPoS negotiation completes, I see the IPv6 address assigned but nothing is assigned for IPv4. I view of the above, Is there a way I can ensure that LWip continues to send the IPCP ConfigReq until the modem respond so that both IPv4 and IPv6 address are assigned?

 

Please see below a snippet of the debug output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Edman

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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