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Re: [lwip-users] ping my own device's ip always timeout
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From: |
Sylvain Rochet |
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Subject: |
Re: [lwip-users] ping my own device's ip always timeout |
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Date: |
Thu, 13 Apr 2017 11:19:30 +0200 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
Hi,
On Thu, Apr 13, 2017 at 04:40:53PM +0800, Axel Lin wrote:
> Hi,
> After my device join an AP and get the ip (e.g. 192.168.0.102).
> My device can ping the gateway ip and other devices in the same network.
> Other devices can ping my test device running lwip.
> But if I try to ping my own ip (192.168.0.102), it always timeout.
> This seems strange. is this a normal behavior in lwip?
Short answer:
/**
* LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
* address equal to the netif IP address, looping them back up the stack.
*/
#define LWIP_NETIF_LOOPBACK 1
Sylvain
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