Re: [lwip-users] Default Gateway does not change back after PPP link is deactivated

[Marco Jakobs]

Hi,

OK ... found the solution by myself.

To all who may have the same problem: After the PPP is brought down, a call

netif_set_default( &xEMAC_if );

with the Ethernet netif as parameter is needed to make the ethernet 
again the default interface.

BR
Marco


Am 21.11.2011 15:57, schrieb Marco Jakobs:
> Dear all,
>
> i'm facing a problem with LwIP (1.3.2) and the use of PPP.
>
> The Ethernet port has defined an IP address, Netmask and the default 
> gateway configuration. Everything works pretty well, also sending 
> packets to different subnets to the default gateway.
>
> As soon as i activate the PPP link, the default gateway is now 
> automatically the PPP destination, so the PPP overrides the default 
> gateway (which is correct so far).
>
> But after deactivating the PPP, the standard gateway of LwIP seems not 
> to return to the value defined in the ethernet link! As soon as the 
> PPP was up once and was put down again, the standard gateway is not 
> working and all connections to different subnets are without any efford.
>
> How can i "reset" the standard gateway of LwIP to the gateway already 
> defined in the ethernet settings?
>
> BR
> Marco
>
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