Re: [lwip-devel] [task #13780] lcp_echo_interval maximum value

[Sylvain Rochet]

Hi Patrick,

On Wed, Oct 21, 2015 at 10:02:22AM -0400, Patrick Klos wrote:
> On 10/19/2015 6:24 AM, Marco wrote:
> >Follow-up Comment #6, task #13780 (project lwip):
> >
> >I was wondering if at GPRS level there is some similar echo reply/request
> >protocol to check the link and if it is somewhat related to PPP/LCP...
> 
> If you want to verify the link is still up, could you just use
> standard IP PING (ICMP echo) requests?

That's not really what the OP want, the OP main concern is to reduce as 
much as possible the useless amount of data exchanged over the GPRS 
link. He just wonder if sending a LCP Echo packet to the modem trigger 
by some means a GPRS link check, which, as far as I know, isn't the 
case.

And please post on the bug tracker ;-), answering to the mail sent by 
the bug tracker doesn't update the bug tracker entry.

Sylvain

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