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Date: Tue, 14 Feb 2017 16:14:02 +0530 From: Sriram V <vshrirama@...il.com> To: netdev@...r.kernel.org Subject: Linux raw socket issue Hi, Apologies if this is not the right mailing list. I have 2 network interfaces eth0 and eth1. eth0 is the lan and eth1 is the wlan. I have created a raw socket and bound to eth0 using the below call. setsockopt(sockfd, SOL_SOCKET, SO_BINDTODEVICE, ifName, strlen(ifName) + 1 I am listening for raw ethernet packets on the eth0. I am getting packets even if i have removed the lan cable. I am not sure how the packets from eth1 and sent to eth0? My program is https://gist.github.com/austinmarton/2862515 I am not sure if there is any IP forwarding causing the issue. There is a procfs regarding ip forwarding turning it off or on. does not make any different. Thanks for your help. Regards, Sriram
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