<div dir="ltr">Hi,<div><br></div><div>I work with PPPoE in GPON, and need the DHCP give IPs from one subnet (or many subnet when the first subnet is full) to many sub-interfaces, but the discover packet come from the same mac.</div><div>To explain, whe you use PPPoE the router is the dhcp client for all conections and create a tunel from router to real client and asing the IP from DHCP in /32.</div><div>With the clasic DHCP-ISC you can give one subnet for many sub-interfaces in PPPoE.</div><div><br></div><div>I create a class fo match the mac adrres of pppoe router (all clients conections), and put the class to the subnet. The discover match the class, but not select a subnet.</div><div><br></div><div>Please I need a help!</div><div><br></div><div>The log in debug mode:</div><div><br></div><div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">Apr 25 09:10:26 lab-gpon kea-dhcp4: 2018-04-25 09:10:26.835 INFO  [kea-dhcp4.options/22792] EVAL_RESULT Expression Lab_Relay_PPP</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">oE evaluated to 1</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">Apr 25 09:10:26 lab-gpon kea-dhcp4: 2018-04-25 09:10:26.835 ERROR [kea-dhcp4.bad-packets/22792] DHCP4_PACKET_NAK_0001 [hwtype=1</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">00:0f:f7:9c:99:1b], cid=[00:6a:63:61:6d:61:63:68:<wbr>6f], tid=0x142ce: failed to select a subnet for incoming packet, src 10.11.159.</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">254, type DHCPDISCOVER</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">the config file:</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><div>    "client-classes": [</div><div>        // Filtro para solo recibir los mensajes de la interface del Router (MAC) para PPPoE, del HUB de Laboratorio</div><div>        {</div><div>            "name": "Lab_Relay_PPPoE",</div><div>            "test": "pkt4.mac == 0x000ff79c991b",</div><div>            "option-data": [</div><div>                {</div><div>                    "name": "domain-name-servers",</div><div>                    "data": "200.124.235.194, 200.124.235.195, 200.124.235.196"</div><div>                }</div><div>            ]</div><div>        }</div></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">.</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">.</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">.</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><div>"shared-networks": [</div><div>        {</div><div>            "name": "Lab_Internet",</div><div>            "subnet4": [</div><div>                // PPPoE</div><div>                {</div><div>                    "subnet": "<a href="http://201.183.254.128/26" target="_blank" style="color:rgb(17,85,204)">201.183.254.128/26</a>",</div><div>                    "id": 1001,</div><div>                    "client-class": "Lab_Relay_PPPoE",</div><div>                    "pools": [ { "pool": "201.183.254.128 - 201.183.254.160" } ]</div><div>                },</div><div>                // Modo Router</div><div>                {</div><div>                    "subnet": "<a href="http://10.11.156.0/22" target="_blank" style="color:rgb(17,85,204)">10.11.156.0/22</a>", </div><div>                    "id": 1000,</div><div>                    "client-class": "Lab_Relay_DHCP_R1",</div><div>                    "option-data": [</div><div>                        {</div><div>                            "name": "routers",</div><div>                            "data": "10.11.159.254"</div><div>                        }</div><div>                    ]</div><div>                },</div><div><span style="white-space:pre-wrap">                                </span>// Modo router segundo plan</div><div>                {</div><div>                    "subnet": "<a href="http://10.15.255.0/24" target="_blank" style="color:rgb(17,85,204)">10.15.255.0/24</a>", </div><div>                    "id": 1008,</div><div>                    "client-class": "Lab_Relay_DHCP_R2",</div><div>                    "option-data": [</div><div>                        {</div><div>                            "name": "routers",</div><div>                            "data": "10.15.255.254"</div><div>                        }</div><div>                    ]</div><div>                }</div><div>            ]</div><div>        }</div></div><span class="gmail-HOEnZb" style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font color="#888888"><br class="gmail-Apple-interchange-newline"></font></span></div><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">Atentamente.<br><br>Cesar Alejandro Macias Duarte</div>
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