I tried various options, like below, but none of the work. How can I use the mroute to specify a node (and not an interface or an address)?
vppctl ip *mroute* 224.0.0.0/8 via GigabitEthernet0/4/0 vppctl ip *mroute* 224.0.0.0/8 via GigabitEthernet0/4/0 Accept vppctl ip *mroute* 224.0.0.0/8 via GigabitEthernet0/4/0 Forward On Mon, Oct 9, 2017 at 6:36 PM, Shaw, Jeffrey B <jeffrey.b.s...@intel.com> wrote: > Probably, but I don’t know the command. Essentially you want a CLI > command that configures a fib to direct packets/flows to an arbitrary node. > > > > Maybe “ip route” or “ip mroute” has what you need. > > > > DBGvpp# ip help > > mroute ip mroute [add|del] <dst-ip-addr>/<width> > [table <table-id>] [via <next-hop-ip-addr> [<interface>], > > … > > route ip route [add|del] [count <n>] > <dst-ip-addr>/<width> [table <table-id>] [via <next-hop-ip-addr> \ > > [<interface>] [weight > <weight>]] | [via arp <interface> <adj-hop-ip-addr>] | > > [via > drop|punt|local<id>|arp|classify <classify-idx>] [lookup in table > <out-table-id>] > > > > -Jeff > > > > *From:* Michael Borokhovich [mailto:michael...@gmail.com] > *Sent:* Monday, October 09, 2017 3:26 PM > *To:* Shaw, Jeffrey B <jeffrey.b.s...@intel.com> > *Cc:* vpp-dev <vpp-dev@lists.fd.io>; vppsb-...@lists.fd.io > > *Subject:* Re: [vppsb-dev] Router plugin with VPP 1707 - incoming OSPF > Hello packets are dropped by VPP > > > > Jef, is there a cli command I can use to instruct VPP to forward > multicast to that node? > > > > On Mon, Oct 9, 2017 at 6:23 PM, Shaw, Jeffrey B <jeffrey.b.s...@intel.com> > wrote: > > We have this code, which is supposed to tell the fib that packets going to > the 224.0.0.x/24 network should be delivered to our node. > > > > { > > dpo_proto_t proto = 0; > > dpo_id_t dpo = DPO_INVALID; > > fib_prefix_t pfx = {}; > > > > pfx.fp_addr.ip4.as_u32 = 0x000000E0; /* 224.0.0.0 */ > > pfx.fp_len = 24; > > pfx.fp_proto = FIB_PROTOCOL_IP4; > > proto = DPO_PROTO_IP4; > > > > vlib_node_add_next (vm, ip4_lookup_node.index, im->tx_node_index); > > > > dpo_set(&dpo, tap_inject_dpo_type, proto, ~0); > > > > fib_table_entry_special_dpo_add(0, > > &pfx, > > FIB_SOURCE_API, > > FIB_ENTRY_FLAG_EXCLUSIVE, > > &dpo); > > > > dpo_reset(&dpo); > > } > > > > It is possible this code isn’t working the same as it has in the past. > > > > With the FIB changes since the router plugin was initially developed, > there might be a different/better way to get multicast packets delivered to > our node. > > > > -Jef > > > > > > *From:* vppsb-dev-boun...@lists.fd.io [mailto:vppsb-dev-bounces@ > lists.fd.io] *On Behalf Of *Michael Borokhovich > *Sent:* Monday, October 09, 2017 3:16 PM > *To:* vpp-dev <vpp-dev@lists.fd.io>; vppsb-...@lists.fd.io > *Subject:* Re: [vppsb-dev] Router plugin with VPP 1707 - incoming OSPF > Hello packets are dropped by VPP > > > > Here is the trace of the packet that is dropped. Any help is very > appreciated. > > > > 00:05:18:275995: dpdk-input > > GigabitEthernet0/4/0 rx queue 0 > > buffer 0x446a: current data 14, length 68, free-list 0, clone-count 0, > totlen-nifb 0, trace 0x1 > > PKT MBUF: port 0, nb_segs 1, pkt_len 82 > > buf_len 2176, data_len 82, ol_flags 0x0, data_off 128, phys_addr > 0x6990d980 > > packet_type 0x0 > > IP4: fa:16:3e:4a:b3:60 -> 01:00:5e:00:00:05 > > OSPF: 10.0.10.1 -> 224.0.0.5 > > tos 0xc0, ttl 1, length 68, checksum 0x2986 > > fragment id 0x9b15 > > 00:05:18:276166: ip4-input > > OSPF: 10.0.10.1 -> 224.0.0.5 > > tos 0xc0, ttl 1, length 68, checksum 0x2986 > > fragment id 0x9b15 > > 00:05:18:276403: ip4-mfib-forward-lookup > > fib 0 entry 0 > > 00:05:18:276503: ip4-mfib-forward-rpf > > entry 0 -1 > > 00:05:18:276516: ip4-drop > > OSPF: 10.0.10.1 -> 224.0.0.5 > > tos 0xc0, ttl 1, length 68, checksum 0x2986 > > fragment id 0x9b15 > > 00:05:18:276595: error-drop > > ip4-input: ip4 adjacency drop > > > > On Mon, Oct 9, 2017 at 12:14 PM, Michael Borokhovich <michael...@gmail.com> > wrote: > > Hi, > > > > After applying the fixes suggested by Jeff, I was able to compile the > router plugin with VPP 1707. > > > > It runs and allows to enable tap-inject and set up interfaces addresses > without crashing. > > > > The problem I'm facing now is with setting up FRR OSPF on top of the > VPP+router plugin. > > > > FRR OSPF is configured and I see OSPF Hello packets flowing out of the > machine. However, the incoming OSPF Hello packets are dropped by VPP (with > the reason "ip4 adjacency drop") and never reach the FRR. > > > > The same settings worked with VPP 1609 + router plugin. Maybe I need to > configure something manually in VPP to allow reception of OSPF multicast > packets? > > > > So, to summarize the problem, incoming OSPF Hello packets are dropped by > VPP, while the outgoing hello packets successfully sent by FRR via VPP to > the neighbouring router. > > > > Any help is appreciated. > > > > Thanks, > > Michael. > > > > > > > > >
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