Hi Edman, On Thu, Jul 15, 2021 at 04:24:29PM +0000, Zayzay, Edman G wrote: > 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
That is strange, you should see IPCP retries at least, could you try adding more timers by setting a large value to MEMP_NUM_SYS_TIMEOUT ? Sylvain
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