<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 9, 2023 at 4:07 PM Hitesh Patidar <<a href="mailto:hitesh08patidar@gmail.com">hitesh08patidar@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Hi,<div dir="auto"><br></div><div dir="auto">I am using a system with two onboard ethernet ports with CentOS 7. When I connect both these ports to the DHCP server setup on another node, the arp entry of DHCP server node displays two different IP addresses that resolve to same MAC address. The ARP reply from the system is providing same MAC for ARP requests received for both the ports.</div><div dir="auto"><br></div><div dir="auto">My requirement is to have mapping of 2 distinct IPs to 2 MACs.</div><div dir="auto"><br></div><div dir="auto">Instead of CentOS 7, if I use Ubuntu 22 Desktop on my system, the 2 IPs are mapped to 2 different MACs.</div><div dir="auto"><br></div><div dir="auto">Kindly advice on how to solve this issue.</div><div dir="auto"><br></div><div dir="auto">Thanks & Regards,</div><div dir="auto">Hitesh Patidar</div></div>
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</blockquote></div><br clear="all"><div>try to connect those two nic ports to two different VLAN. </div><div><br></div><div>And since this is kernelnewbies mailing list, try to look for more approriate forum to ask this</div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature">regards,<br><br>Mulyadi Santosa<br>Freelance Linux trainer and consultant<br><br>blog: <a href="http://the-hydra.blogspot.com" target="_blank">the-hydra.blogspot.com</a><br>training: <a href="http://mulyaditraining.blogspot.com" target="_blank">mulyaditraining.blogspot.com</a></div></div><div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br><table style="border-top:1px solid #d3d4de"><tr><td style="width:55px;padding-top:13px"><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail" target="_blank"><img src="https://s-install.avcdn.net/ipm/preview/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif" alt="" width="46" height="29" style="width: 46px; height: 29px;"></a></td><td style="width:470px;padding-top:12px;color:#41424e;font-size:13px;font-family:Arial,Helvetica,sans-serif;line-height:18px">Virus-free.<a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail" target="_blank" style="color:#4453ea">www.avast.com</a></td></tr></table><a href="#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width="1" height="1"></a></div>