Traffic on both interfaces
Hi guys:
I have two interfaces on my linux RedHat system - eth0, eth1 ifconfig output states that both interfaces are up. However, tcpdump doesn't show me any traffic on eth0. All traffic is passing through eth1. Both eth0 and eth1 are on the same segment Even when I pinged eth0 from eth0, I don't get anything in the tcpdump output. I do get a lot of traffic on eth1 but am not sure if this is the same ping traffic. netstat -r shows the following: Destination Gateway Genmask Flags MSS Window irtt Iface xyz.xy.yz.xy * 255.255.255.224 U 0 0 0 eth1 xyz.xy.yz.xy * 255.255.255.224 U 0 0 0 eth1 169.254.0.0 * 255.255.0.0 U 0 0 0 eth1 127.0.0.0 * 255.0.0.0 U 0 0 0 lo default xyz.xy.xy.xyz 0.0.0.0 UG 0 0 0 eth1 the last line of the output says that eht1 is configured with a route. How can I configure eth0 aslo with the same route. Your help is appreciated o |
The design of addressing in TCP/IP networks make that kind of connection useless. Why are they on the same network? IP addresses which are logical addresses are translated to hardware addresses (MAC) using the protocol ARP.
The routing tables make the traffic to go the same way, unless the conditions vary in time or if more advanced techniques are used, such as load balancing. |
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