On 11.4.2012 12:35, sri wrote: > Group, > > My linux box, running with Centos-5.5, is showing up (??) a pseudo > network interface for Eth0. > On Switch where my Eth0 is connected, observed 2 MAC-Addresses. > If a DHCP server present in LAN, the second pseudo interface is > picking up a DHCP IP Address too. > Furthermore you can ping both Eth0 ip and Psedo Eth0 IP from the switch. > The intensity of the problem is more when port-security is configured > on SW for that port. > > “ifconfig –a” is not showing that pseudo interface. > From dmesg output, no new things observed related while detecting the > eth0 NIC during bootup. > Only proof for this pseudo inerface’s mac address is SW showing it (on > the SW port connected to my box eth0) in “show mac address-table” > output > > Is there anything that I have to check to nail down the issue. > > Any pointers are highly appreciated. A running virtual machine which virtual interface is bridged to eth0 ? -- Kind Regards, Markus Falb
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