On 06/27/2013 11:46 AM, Jinyun Ye wrote: > OSELAS(R)-Gecko-2012.10.0+ / energymicro-efm32gg-dk3750-2012.10.0+ > ptxdist-2013.01.0/2013-06-08T14:52:01+0800 > / # /sbin/ifconfig eth0 192.168.0.100 netmask 255.255.255.0 up > / # /sbin/route add default gw 192.168.0.1 [...] > / # ping 192.168.0.100 > No response from 192.168.0.100 Why do you ping your own ip address? Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |