<div dir="auto">Hey James,</div><div dir="auto"><br></div><div dir="auto">Have you tried this yet? </div><div dir="auto"><div><a href="https://www.arista.com/en/support/toi/eos-4-25-1f/14626-head-end-replicated-dhcp-packets-suppression-in-vxlan-network">https://www.arista.com/en/support/toi/eos-4-25-1f/14626-head-end-replicated-dhcp-packets-suppression-in-vxlan-network</a></div><br></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Apr 15, 2024 at 06:13 Chen Jiang via arista-nsp <<a href="mailto:arista-nsp@puck.nether.net">arista-nsp@puck.nether.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div dir="ltr">Hi! Experts<div><br></div><div>I am testing dhcp relay in evpn/vxlan scenario and configured every leaf switchess to relay dhcp messages to the server, but found that the dhcp server received relayed messages from every leaf, I think it may be caused by the dhcp discover message be flooding to every leaf and then be relayed by every leaf.</div><div><br></div><div>Is it expected behaviour? I have thought it should only be relayed by the ingress leaf. Thanks .</div><div><br></div><div>Below is my dhcp relay configuration:</div><div>interface Vlan102<br> vrf v101<br> ip dhcp relay all-subnets<br> ip helper-address 192.168.104.2 source-interface Loopback2<br> ip address virtual <a href="http://192.168.102.254/24" target="_blank">192.168.102.254/24</a><br>!<br>interface Vxlan1<br> vxlan source-interface Loopback1<br> vxlan udp-port 4789<br> vxlan vlan 1-200 vni 1-200<br> vxlan vrf v101 vni 10101<br>!</div></div><div dir="ltr"><div><br></div><div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">BR!<br><br> <br><br> James Chen</div></div></div>
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