Hi,

I think that snmp_send_trap does not handle when there is no route. Even if one 
of the first call in the function is to check if there is a ip_route, nothing 
is done to ensure that there is a route. (A route will be available if there is 
an netif that is up).

Should application handle this more seriously? Can any problem occur?

I came to check this because I want to start and stop an netif to change the 
ipaddress.

Thanks.
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