Hi Axel,
On Mon, Feb 20, 2017 at 12:40:47AM +0800, Axel Lin wrote: > 2017-02-20 0:34 GMT+08:00 Sylvain Rochet <[email protected]>: > > > > It looks like your modem is not forwarding packets. Which one it is so > > we can prevent using it in our designs ? ;-) > > I don't get it, I'm using Gemalto ELS31J module. Thank you, added to blacklist ;-) > I compare the successful log below: Seems some pppos_input() got > different length. A serial link is a byte stream, having different buffer lengths for each run is normal behavior. Anyway, you can enable PPP packet trace with PRINTPKT_SUPPORT and optionally PPP_PROTOCOLNAME if you wish to have a closer look at PPP control packets content but I doubt it will provide any useful information in this case because the session is successfully established. Sylvain
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