<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Owen,</div><div class=""><br class=""></div><div class=""> I don’t see RP in your configuration. See the very first command on PIM manual:</div><div class=""><br class=""></div><div class=""> <a href="http://docs.frrouting.org/en/stable-8.0/pim.html#clicmd-ip-pim-rp-A.B.C.D-A.B.C.D-M" class="">http://docs.frrouting.org/en/stable-8.0/pim.html#clicmd-ip-pim-rp-A.B.C.D-A.B.C.D-M</a></div><div class=""><br class=""></div><div class="">Regards,</div><div class="">Jafar</div><div class=""> </div>
<div><br class=""><blockquote type="cite" class=""><div class="">On Oct 31, 2021, at 2:03 AM, owen s <<a href="mailto:owen94012@gmail.com" class="">owen94012@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">I learned how to work with frr using configure terminal -> interface to configure interfaces.<div class=""><br class=""></div><div class="">I need to setup a router that creates an ipsec tunnel, then creates a gre tunnel to route multicast packets using ipsec over gre.</div><div class=""><br class=""></div><div class="">I have three interfaces;</div><div class="">my local /26 subnet</div><div class="">a static loopback ip</div><div class="">I need to use pim-sm</div><div class=""><br class=""></div><div class="">Here's my current configuration</div><div class="">=======================</div><div class=""> write terminal <br class="">Building configuration...<br class=""><br class="">Current configuration:<br class="">!<br class="">frr version 8.0.1<br class="">frr defaults traditional<br class="">hostname bb<br class="">no ipv6 forwarding<br class="">service integrated-vtysh-config<br class="">!<br class="">debug igmp events<br class="">debug igmp packets<br class="">debug igmp trace<br class="">debug mroute<br class="">debug mtrace<br class="">!<br class="">interface ens4<br class=""> ip igmp<br class=""> ip igmp version 2<br class=""> ip pim<br class="">!<br class="">interface t0<br class=""> ip igmp<br class=""> ip igmp version 2<br class=""> ip pim<br class="">!<br class="">line vty<br class="">!<br class="">end<br class=""></div><div class="">=======================</div><div class="">interface ens4 is my /26 subnet</div><div class="">interface t0 the gre tunnel, source is from my loopback address to a remote address.</div><div class=""><br class=""></div><div class="">ip tun show</div><div class="">t0: gre/ip remote x.x.x.x local [local loobpack ip] ttl 255<br class=""><br class=""></div><div class="">show interface</div><div class="">Interface ens4 is up, line protocol is up<br class=""> Link ups: 0 last: (never)<br class=""> Link downs: 0 last: (never)<br class=""> vrf: default<br class=""> index 2 metric 0 mtu 1460 speed 4294967295 <br class=""> flags: <UP,BROADCAST,RUNNING,MULTICAST><br class=""> Type: Ethernet<br class=""> HWaddr: 42:01:0a:f7:2f:42<br class=""> inet x.x.x.x/32 unnumbered<br class=""> inet x.x.x.x/32 unnumbered<br class=""> Interface Type Other<br class=""> Interface Slave Type None<br class=""> protodown: off <br class="">Interface ens5 is up, line protocol is up<br class=""> Link ups: 0 last: (never)<br class=""> Link downs: 0 last: (never)<br class=""> vrf: default<br class=""> index 3 metric 0 mtu 1460 speed 4294967295 <br class=""> flags: <UP,BROADCAST,RUNNING,MULTICAST><br class=""> Type: Ethernet<br class=""> HWaddr: 42:01:dc:8c:05:4a<br class=""> inet x.x.x.x/32 unnumbered<br class=""> Interface Type Other<br class=""> Interface Slave Type None<br class=""> protodown: off <br class="">Interface erspan0 is down<br class=""> Link ups: 0 last: (never)<br class=""> Link downs: 0 last: (never)<br class=""> vrf: default<br class=""> index 15 metric 0 mtu 1464 speed 0 <br class=""> flags: <BROADCAST,MULTICAST><br class=""> Type: Ethernet<br class=""> Interface Type Other<br class=""> Interface Slave Type None<br class=""> protodown: off <br class="">Interface gre0 is down<br class=""> Link ups: 0 last: (never)<br class=""> Link downs: 0 last: (never)<br class=""> vrf: default<br class=""> index 13 metric 0 mtu 1476 speed 0 <br class=""> flags: <NOARP><br class=""> Type: GRE over IP<br class=""> Interface Type GRE<br class=""> Interface Slave Type None<br class=""> protodown: off <br class="">Interface gretap0 is down<br class=""> Link ups: 0 last: (never)<br class=""> Link downs: 0 last: (never)<br class=""> vrf: default<br class=""> index 14 metric 0 mtu 1476 speed 0 <br class=""> flags: <BROADCAST,MULTICAST><br class=""> Type: Ethernet<br class=""> Interface Type Other<br class=""> Interface Slave Type None<br class=""> protodown: off <br class="">Interface ip_vti0 is down<br class=""> Link ups: 0 last: (never)<br class=""> Link downs: 0 last: (never)<br class=""> vrf: default<br class=""> index 7 metric 0 mtu 1480 speed 0 <br class=""> flags: <NOARP><br class=""> Type: IPIP Tunnel<br class=""> Interface Type Other<br class=""> Interface Slave Type None<br class=""> protodown: off <br class="">Interface lo is up, line protocol is up<br class=""> Link ups: 0 last: (never)<br class=""> Link downs: 0 last: (never)<br class=""> vrf: default<br class=""> index 1 metric 0 mtu 65536 speed 0 <br class=""> flags: <UP,LOOPBACK,RUNNING,MULTICAST><br class=""> Type: Loopback<br class=""> inet x.x.x.x/32<br class=""> Interface Type Other<br class=""> Interface Slave Type None<br class=""> protodown: off <br class="">Interface pimreg is up, line protocol is up<br class=""> Link ups: 1 last: 2021/10/30 19:29:44.16<br class=""> Link downs: 0 last: (never)<br class=""> vrf: default<br class=""> index 23 metric 0 mtu 1472 speed 0 <br class=""> flags: <UP,RUNNING,NOARP><br class=""> Type: Unknown<br class=""> Interface Type Other<br class=""> Interface Slave Type None<br class=""> protodown: off <br class="">Interface t0 is up, line protocol is up<br class=""> Link ups: 0 last: (never)<br class=""> Link downs: 0 last: (never)<br class=""> vrf: default<br class=""> index 16 metric 0 mtu 1436 speed 0 <br class=""> flags: <UP,POINTOPOINT,RUNNING,NOARP,MULTICAST><br class=""> Type: GRE over IP<br class=""> HWaddr: 0a:f7:00:3c<br class=""> inet x.x.x.x/30<br class=""> Interface Type GRE<br class=""> Interface Slave Type None<br class=""> VTEP IP: x.x.x.x , remote y.y.y.y<br class=""> protodown: off <br class=""><br class=""></div><div class="">show ip route<br class="">Codes: K - kernel route, C - connected, S - static, R - RIP,<br class=""> O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,<br class=""> T - Table, v - VNC, V - VNC-Direct, A - Babel, F - PBR,<br class=""> f - OpenFabric,<br class=""> > - selected route, * - FIB route, q - queued, r - rejected, b - backup<br class=""> t - trapped, o - offload failure<br class=""><br class="">K>* <a href="http://0.0.0.0/0" class="">0.0.0.0/0</a> [0/0] via x.x.x.x, ens4, 11:28:19<br class="">C>* x.x.0.60/32 is directly connected, lo, 11:28:19<br class="">C>* x.x.4.232/30 is directly connected, t0, 11:28:19<br class="">K>* x.x.x.x/26 [0/0] via x.x.x.x, ens4, 11:28:19<br class="">K * x.x.x.x/32 [0/0] is directly connected, ens4, 11:28:19<br class="">C>* x.x.x.x/32 is directly connected, ens4, 11:28:19<br class="">C>* x.x.x.x/32 is directly connected, ens4, 00:11:53<br class="">K>* y.y.y.72/29 [0/0] via y.y.y.73, ens5, 11:28:19<br class="">K>* y.y.y.73/32 [0/0] is directly connected, ens5, 11:28:19<br class="">C>* y.y.y.74/32 is directly connected, ens5, 00:05:45<br class=""><br class=""></div><div class="">show ip mroute</div><div class="">IP Multicast Routing Table<br class="">Flags: S - Sparse, C - Connected, P - Pruned<br class=""> R - SGRpt Pruned, F - Register flag, T - SPT-bit set<br class=""><br class="">Source Group Flags Proto Input Output TTL Uptime<br class=""></div><div class=""><br class=""></div><div class="">show ip pim neighbor<br class="">Interface Neighbor Uptime Holdtime DR Pri<br class=""></div><div class=""><br class=""></div><div class="">The route should get picked up through the gre tunnel.</div><div class=""><br class=""></div><div class="">Are there any steps that I can take to get the router properly configured to join the proper pim group and detect neighbor?</div></div>
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