Hi Sudhir, It went through and this is the 3rd time now, but AFAICS you still did not address Neale's point: https://lists.fd.io/g/vpp-dev/message/19554?p=,,,20,0,0,0::Created,,infinite+loop,20,2,0,83418156
Best ben > -----Original Message----- > From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Sudhir CR via > lists.fd.io > Sent: jeudi 17 juin 2021 10:59 > To: vpp-dev@lists.fd.io > Subject: Re: [vpp-dev] Infinite loop in fib_walk_sync > > Hi All, > > I am resending the same again as i am not sure the former one had reached > the forum. > > Regards, > Sudhir. > > On Thu, Jun 17, 2021 at 1:15 PM Sudhir CR via lists.fd.io > <http://lists.fd.io> <sudhir=rtbrick....@lists.fd.io > <mailto:rtbrick....@lists.fd.io> > wrote: > > > Hi All, > We have been using vpp with our stack for the 6PE solution for some > time. > But when we recently enabled BFD in vpp we are observing an infinite > loop with the below call stack. > > Any help in resolving this issue would be appreciated . > > (gdb) thread apply all bt > > Thread 3 (Thread 0x7f6d27bfe700 (LWP 449)): > #0 0x00007f6dc79d4007 in vlib_worker_thread_barrier_check () at > /home/supervisor/libvpp/src/vlib/threads.h:438 > #1 0x00007f6dc79ce52e in vlib_main_or_worker_loop > (vm=0x7f6da5f9b6c0, is_main=0) at > /home/supervisor/libvpp/src/vlib/main.c:1788 > #2 0x00007f6dc79cdd47 in vlib_worker_loop (vm=0x7f6da5f9b6c0) at > /home/supervisor/libvpp/src/vlib/main.c:2008 > #3 0x00007f6dc7a2592a in vlib_worker_thread_fn (arg=0x7f6da3593180) > at /home/supervisor/libvpp/src/vlib/threads.c:1862 > #4 0x00007f6dc724bc34 in clib_calljmp () at > /home/supervisor/libvpp/src/vppinfra/longjmp.S:123 > #5 0x00007f6d27bfdec0 in ?? () > #6 0x00007f6dc7a1dad3 in vlib_worker_thread_bootstrap_fn > (arg=0x7f6da3593180) at /home/supervisor/libvpp/src/vlib/threads.c:585 > Backtrace stopped: previous frame inner to this frame (corrupt > stack?) > > Thread 2 (Thread 0x7f6d283ff700 (LWP 448)): > #0 0x00007f6dc79d3ffe in vlib_worker_thread_barrier_check () at > /home/supervisor/libvpp/src/vlib/threads.h:438 > #1 0x00007f6dc79ce52e in vlib_main_or_worker_loop > (vm=0x7f6da5f9a200, is_main=0) at > /home/supervisor/libvpp/src/vlib/main.c:1788 > #2 0x00007f6dc79cdd47 in vlib_worker_loop (vm=0x7f6da5f9a200) at > /home/supervisor/libvpp/src/vlib/main.c:2008 > #3 0x00007f6dc7a2592a in vlib_worker_thread_fn (arg=0x7f6da3593080) > at /home/supervisor/libvpp/src/vlib/threads.c:1862 > #4 0x00007f6dc724bc34 in clib_calljmp () at > /home/supervisor/libvpp/src/vppinfra/longjmp.S:123 > #5 0x00007f6d283feec0 in ?? () > #6 0x00007f6dc7a1dad3 in vlib_worker_thread_bootstrap_fn > (arg=0x7f6da3593080) at /home/supervisor/libvpp/src/vlib/threads.c:585 > Backtrace stopped: previous frame inner to this frame (corrupt > stack?) > > Thread 1 (Thread 0x7f6dd47c2240 (LWP 226)): > #0 0x00007f6dc723c2dc in hash_header (v=0x7f6da6870e18) at > /home/supervisor/libvpp/src/vppinfra/hash.h:113 > #1 0x00007f6dc723d329 in get_pair (v=0x7f6da6870e18, i=55) at > /home/supervisor/libvpp/src/vppinfra/hash.c:58 > #2 0x00007f6dc723c372 in lookup (v=0x7f6da6870e18, > key=140108524924744, op=GET, new_value=0x0, old_value=0x0) > at /home/supervisor/libvpp/src/vppinfra/hash.c:557 > #3 0x00007f6dc723c261 in _hash_get (v=0x7f6da6870e18, > key=140108524924744) at /home/supervisor/libvpp/src/vppinfra/hash.c:641 > #4 0x00007f6dc8bbb5f4 in adj_nbr_find (nh_proto=FIB_PROTOCOL_IP4, > link_type=VNET_LINK_MPLS, nh_addr=0x7f6da6866c30, sw_if_index=8) > at /home/supervisor/libvpp/src/vnet/adj/adj_nbr.c:124 > #5 0x00007f6dc8bbb661 in adj_nbr_add_or_lock > (nh_proto=FIB_PROTOCOL_IP4, link_type=VNET_LINK_MPLS, > nh_addr=0x7f6da6866c30, sw_if_index=8) > at /home/supervisor/libvpp/src/vnet/adj/adj_nbr.c:243 > #6 0x00007f6dc8b904db in fib_path_attached_next_hop_get_adj > (path=0x7f6da6866c18, link=VNET_LINK_MPLS, dpo=0x7f6d8edbb168) > at /home/supervisor/libvpp/src/vnet/fib/fib_path.c:674 > #7 0x00007f6dc8b8ffb0 in fib_path_contribute_forwarding > (path_index=58, fct=FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, dpo=0x7f6d8edbb168) > at /home/supervisor/libvpp/src/vnet/fib/fib_path.c:2475 > ---Type <return> to continue, or q <return> to quit--- > #8 0x00007f6dc8b98399 in fib_path_ext_stack > (path_ext=0x7f6da42ab220, child_fct=FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, > imp_null_fct=FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, > nhs=0x7f6da8718a80) at > /home/supervisor/libvpp/src/vnet/fib/fib_path_ext.c:241 > #9 0x00007f6dc8b6e293 in fib_entry_src_collect_forwarding > (pl_index=50, path_index=58, arg=0x7f6d8edbb380) > at /home/supervisor/libvpp/src/vnet/fib/fib_entry_src.c:476 > #10 0x00007f6dc8b8926d in fib_path_list_walk (path_list_index=50, > func=0x7f6dc8b6e100 <fib_entry_src_collect_forwarding>, > ctx=0x7f6d8edbb380) > at /home/supervisor/libvpp/src/vnet/fib/fib_path_list.c:1408 > #11 0x00007f6dc8b6da44 in fib_entry_src_mk_lb > (fib_entry=0x7f6da6868730, esrc=0x7f6da75b11c0, > fct=FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, > dpo_lb=0x7f6da6868758) at > /home/supervisor/libvpp/src/vnet/fib/fib_entry_src.c:576 > #12 0x00007f6dc8b6e6d3 in fib_entry_src_action_install > (fib_entry=0x7f6da6868730, source=FIB_SOURCE_CLI) > at /home/supervisor/libvpp/src/vnet/fib/fib_entry_src.c:706 > #13 0x00007f6dc8b6f5ff in fib_entry_src_action_reactivate > (fib_entry=0x7f6da6868730, source=FIB_SOURCE_CLI) > at /home/supervisor/libvpp/src/vnet/fib/fib_entry_src.c:1222 > #14 0x00007f6dc8b6c5c2 in fib_entry_back_walk_notify > (node=0x7f6da6868730, ctx=0x7f6d8edbb668) > at /home/supervisor/libvpp/src/vnet/fib/fib_entry.c:316 > #15 0x00007f6dc8b648c2 in fib_node_back_walk_one > (ptr=0x7f6d8edbb688, ctx=0x7f6d8edbb668) > at /home/supervisor/libvpp/src/vnet/fib/fib_node.c:161 > #16 0x00007f6dc8b4f36a in fib_walk_advance (fwi=1) at > /home/supervisor/libvpp/src/vnet/fib/fib_walk.c:368 > #17 0x00007f6dc8b4ff00 in fib_walk_sync > (parent_type=FIB_NODE_TYPE_PATH_LIST, parent_index=50, ctx=0x7f6d8edbb828) > at /home/supervisor/libvpp/src/vnet/fib/fib_walk.c:792 > #18 0x00007f6dc8b7f896 in fib_path_list_back_walk > (path_list_index=50, ctx=0x7f6d8edbb828) > at /home/supervisor/libvpp/src/vnet/fib/fib_path_list.c:500 > #19 0x00007f6dc8b977b5 in fib_path_back_walk_notify > (node=0x7f6da6866c18, ctx=0x7f6d8edbb828) > at /home/supervisor/libvpp/src/vnet/fib/fib_path.c:1226 > #20 0x00007f6dc8b648c2 in fib_node_back_walk_one > (ptr=0x7f6d8edbb848, ctx=0x7f6d8edbb828) > at /home/supervisor/libvpp/src/vnet/fib/fib_node.c:161 > #21 0x00007f6dc8b4f36a in fib_walk_advance (fwi=0) at > /home/supervisor/libvpp/src/vnet/fib/fib_walk.c:368 > #22 0x00007f6dc8b4ff00 in fib_walk_sync > (parent_type=FIB_NODE_TYPE_ADJ, parent_index=4, ctx=0x7f6d8edbb8e0) > at /home/supervisor/libvpp/src/vnet/fib/fib_walk.c:792 > #23 0x00007f6dc8be9420 in adj_bfd_update_walk (ai=4) at > /home/supervisor/libvpp/src/vnet/adj/adj_bfd.c:105 > #24 0x00007f6dc8be8917 in adj_bfd_notify > (event=BFD_LISTEN_EVENT_UPDATE, session=0x7f6da6871e38) > at /home/supervisor/libvpp/src/vnet/adj/adj_bfd.c:198 > #25 0x00007f6dc85f77aa in bfd_notify_listeners (bm=0x7f6dc91b7830 > <bfd_main>, event=BFD_LISTEN_EVENT_UPDATE, bs=0x7f6da6871e38) > at /home/supervisor/libvpp/src/vnet/bfd/bfd_main.c:450 > #26 0x00007f6dc85ff9ca in bfd_rpc_notify_listeners_cb > (a=0x13008a121) at /home/supervisor/libvpp/src/vnet/bfd/bfd_main.c:617 > #27 0x00007f6dc9210754 in vl_api_rpc_call_t_handler (mp=0x13008a108) > at /home/supervisor/libvpp/src/vlibmemory/vlib_api.c:531 > ---Type <return> to continue, or q <return> to quit--- > #28 0x00007f6dc922706f in vl_msg_api_handler_with_vm_node > (am=0x7f6dc943ad18 <api_global_main>, vlib_rp=0x130027000, > the_msg=0x13008a108, > vm=0x7f6dc7c8dc40 <vlib_global_main>, node=0x7f6da3544300, > is_private=0 '\000') at > /home/supervisor/libvpp/src/vlibapi/api_shared.c:635 > #29 0x00007f6dc91e2c4b in vl_mem_api_handle_rpc (vm=0x7f6dc7c8dc40 > <vlib_global_main>, node=0x7f6da3544300) > at /home/supervisor/libvpp/src/vlibmemory/memory_api.c:746 > #30 0x00007f6dc9204797 in vl_api_clnt_process (vm=0x7f6dc7c8dc40 > <vlib_global_main>, node=0x7f6da3544300, f=0x0) > at /home/supervisor/libvpp/src/vlibmemory/vlib_api.c:337 > #31 0x00007f6dc79d38ed in vlib_process_bootstrap > (_a=140108875679720) at /home/supervisor/libvpp/src/vlib/main.c:1464 > #32 0x00007f6dc724bc34 in clib_calljmp () at > /home/supervisor/libvpp/src/vppinfra/longjmp.S:123 > #33 0x00007f6da3c3c7e0 in ?? () > #34 0x00007f6dc79d332f in vlib_process_startup (vm=0x114a3c3c850, > p=0x2fd93782948b32, f=0x114) > at /home/supervisor/libvpp/src/vlib/main.c:1489 > > > VPP version : 20.09 > > Steps to reproduce : > > ================ > > Device configuration > > > node 1: > set interface ip address loop0 192.0.0.2/24 <http://192.0.0.2/24> > set interface ip address loop0 192::2/128 > > set interface ip address memif32321/32321 23.0.0.2/24 > <http://23.0.0.2/24> > > ip route add 192::3/128 table 0 via 23.0.0.3 memif32321/32321 > ip route add 192::3/128 table 2 via 23.0.0.3 memif32321/32321 > > mpls local-label add 20001 eos via ip6-lookup-in-table 0 > mpls local-label add 2003 non-eos via 23.0.0.3 memif32321/32321 ip4- > lookup-in-table 0 out-labels 3 > > bfd udp session add interface memif32321/32321 local-addr 23.0.0.2 > peer-addr 23.0.0.3 desired-min-tx 400000 required-min-rx 400000 detect- > mult 3 > > > node 2: > set interface ip address loop0 192.0.0.3/24 <http://192.0.0.3/24> > > set interface ip address loop0 192::3/128 > > set interface ip address memif32321/32321 23.0.0.3/24 > <http://23.0.0.3/24> > > ip route add 192::2/128 table 0 via 23.0.0.2 memif32321/32321 > ip route add 192::2/128 table 2 via 23.0.0.2 memif32321/32321 > > > mpls local-label add 20001 eos via ip6-lookup-in-table 0 > mpls local-label add 2002 non-eos via 23.0.0.2 memif32321/32321 ip4- > lookup-in-table 0 out-labels 3 > > bfd udp session add interface memif32321/32321 local-addr 23.0.0.3 > peer-addr 23.0.0.2 desired-min-tx 400000 required-min-rx 400000 detect- > mult 3 <-- issue is seen after executing this command > > > > FIB tables output on node 2 > > ipv4-VRF:0 > Router Address: 0.0.0.0, fib_index:0, flow hash:[src dst sport > dport proto ] epoch:0 flags:none locks:[adjacency:1, default-route:1, nat- > hi:2, ] > 0.0.0.0/0 <http://0.0.0.0/0> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:1 buckets:1 uRPF:0 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 0.0.0.0/32 <http://0.0.0.0/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:2 buckets:1 uRPF:1 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 23.0.0.0/32 <http://23.0.0.0/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:45 buckets:1 uRPF:45 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 23.0.0.2/32 <http://23.0.0.2/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:52 buckets:1 uRPF:48 > to:[0:0] via:[2:176]] > [0] [@5]: ipv4 via 23.0.0.2 memif32321/32321: mtu:9000 next:3 > 7a24276404047a1ce86404040800 > 23.0.0.0/24 <http://23.0.0.0/24> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:44 buckets:1 uRPF:44 > to:[0:0]] > [0] [@4]: ipv4-glean: memif32321/32321: mtu:9000 next:2 > ffffffffffff7a1ce86404040806 > 23.0.0.3/32 <http://23.0.0.3/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:47 buckets:1 uRPF:49 > to:[2:176]] > [0] [@2]: dpo-receive: 23.0.0.3 on memif32321/32321 > 23.0.0.255/32 <http://23.0.0.255/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:46 buckets:1 uRPF:47 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 192.0.0.0/32 <http://192.0.0.0/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:37 buckets:1 uRPF:35 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 192.0.0.0/24 <http://192.0.0.0/24> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:36 buckets:1 uRPF:34 > to:[0:0]] > [0] [@4]: ipv4-glean: loop0: mtu:9000 next:1 > ffffffffffffdead000000000806 > 192.0.0.3/32 <http://192.0.0.3/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:39 buckets:1 uRPF:39 > to:[0:0]] > [0] [@2]: dpo-receive: 192.0.0.3 on loop0 > 192.0.0.255/32 <http://192.0.0.255/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:38 buckets:1 uRPF:37 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 224.0.0.0/4 <http://224.0.0.0/4> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:4 buckets:1 uRPF:3 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 240.0.0.0/4 <http://240.0.0.0/4> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:3 buckets:1 uRPF:2 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 255.255.255.255/32 <http://255.255.255.255/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:5 buckets:1 uRPF:4 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > ipv4-VRF:1 > Router Address: 0.0.0.0, fib_index:2, flow hash:[src dst sport > dport proto ] epoch:0 flags:none locks:[API:1, ] > > 0.0.0.0/0 <http://0.0.0.0/0> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:23 buckets:1 uRPF:20 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 0.0.0.0/32 <http://0.0.0.0/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:24 buckets:1 uRPF:21 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 224.0.0.0/4 <http://224.0.0.0/4> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:26 buckets:1 uRPF:23 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 240.0.0.0/4 <http://240.0.0.0/4> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:25 buckets:1 uRPF:22 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > 255.255.255.255/32 <http://255.255.255.255/32> > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:27 buckets:1 uRPF:24 > to:[0:0]] > [0] [@0]: dpo-drop ip4 > > > DBGvpp# show ip6 fib > ipv6-VRF:0 > Router Address: 0.0.0.0, fib_index:0, flow hash:[src dst sport > dport proto ] epoch:0 flags:none locks:[recursive-resolution:1, default- > route:1, ] > ::/0 > unicast-ip6-chain > [@0]: dpo-load-balance: [proto:ip6 index:6 buckets:1 uRPF:5 > to:[0:0]] > [0] [@0]: dpo-drop ip6 > 192::2/128 > unicast-ip6-chain > [@0]: dpo-load-balance: [proto:ip6 index:48 buckets:1 uRPF:52 > to:[0:0]] > [0] [@5]: ipv6 via 23.0.0.2 memif32321/32321: mtu:9000 next:4 > 7a24276404047a1ce864040486dd > 192::3/128 > unicast-ip6-chain > [@0]: dpo-load-balance: [proto:ip6 index:43 buckets:1 uRPF:43 > to:[0:0]] > [0] [@2]: dpo-receive: 192::3 on loop0 > fe80::/10 > unicast-ip6-chain > [@0]: dpo-load-balance: [proto:ip6 index:7 buckets:1 uRPF:6 > to:[0:0]] > [0] [@14]: ip6-link-local > ipv6-VRF:2 > Router Address: 0.0.0.0, fib_index:2, flow hash:[src dst sport > dport proto ] epoch:0 flags:none locks:[API:1, ] > ::/0 > unicast-ip6-chain > [@0]: dpo-load-balance: [proto:ip6 index:28 buckets:1 uRPF:25 > to:[0:0]] > [0] [@0]: dpo-drop ip6 > 192::2/128 > unicast-ip6-chain > [@0]: dpo-load-balance: [proto:ip6 index:49 buckets:1 uRPF:52 > to:[0:0]] > [0] [@5]: ipv6 via 23.0.0.2 memif32321/32321: mtu:9000 next:4 > 7a24276404047a1ce864040486dd > fe80::/10 > unicast-ip6-chain > [@0]: dpo-load-balance: [proto:ip6 index:29 buckets:1 uRPF:26 > to:[0:0]] > [0] [@14]: ip6-link-local > > > DBGvpp# show mpls fib > , fib_index:0 locks:[API:1, ] > ip4-explicit-null:neos/21 fib:0 index:17 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[23] locks:2 flags:exclusive, uPRF-list:17 len:0 > itfs:[] > path:[23] pl-index:23 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dst-address,unicast lookup in interface's mpls table > > forwarding: mpls-neos-chain > [@0]: dpo-load-balance: [proto:mpls index:20 buckets:1 uRPF:17 > to:[0:0]] > [0] [@4]: dst-address,unicast lookup in interface's mpls table > ip4-explicit-null:eos/21 fib:0 index:16 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[22] locks:2 flags:exclusive, uPRF-list:16 len:0 > itfs:[] > path:[22] pl-index:22 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dst-address,unicast lookup in interface's ip4 table > > forwarding: mpls-eos-chain > [@0]: dpo-load-balance: [proto:mpls index:19 buckets:1 uRPF:16 > to:[0:0]] > [0] [@3]: dst-address,unicast lookup in interface's ip4 table > router-alert:neos/21 fib:0 index:14 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[20] locks:2 flags:exclusive, uPRF-list:14 len:0 > itfs:[] > path:[20] pl-index:20 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dpo-punt > > forwarding: mpls-neos-chain > [@0]: dpo-load-balance: [proto:mpls index:17 buckets:1 uRPF:14 > to:[0:0]] > [0] [@2]: dpo-punt > router-alert:eos/21 fib:0 index:15 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[21] locks:2 flags:exclusive, uPRF-list:15 len:0 > itfs:[] > path:[21] pl-index:21 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dpo-punt > > forwarding: mpls-eos-chain > [@0]: dpo-load-balance: [proto:mpls index:18 buckets:1 uRPF:15 > to:[0:0]] > [0] [@2]: dpo-punt > ipv6-explicit-null:neos/21 fib:0 index:19 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[25] locks:2 flags:exclusive, uPRF-list:19 len:0 > itfs:[] > path:[25] pl-index:25 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dst-address,unicast lookup in interface's mpls table > > forwarding: mpls-neos-chain > [@0]: dpo-load-balance: [proto:mpls index:22 buckets:1 uRPF:19 > to:[0:0]] > [0] [@4]: dst-address,unicast lookup in interface's mpls table > ipv6-explicit-null:eos/21 fib:0 index:18 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[24] locks:2 flags:exclusive, uPRF-list:18 len:0 > itfs:[] > path:[24] pl-index:24 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dst-address,unicast lookup in interface's ip6 table > > forwarding: mpls-eos-chain > [@0]: dpo-load-balance: [proto:mpls index:21 buckets:1 uRPF:18 > to:[0:0]] > [0] [@5]: dst-address,unicast lookup in interface's ip6 table > , fib_index:1 locks:[API:1, ] > ip4-explicit-null:neos/21 fib:1 index:30 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[36] locks:2 flags:exclusive, uPRF-list:30 len:0 > itfs:[] > path:[36] pl-index:36 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dst-address,unicast lookup in interface's mpls table > > forwarding: mpls-neos-chain > [@0]: dpo-load-balance: [proto:mpls index:33 buckets:1 uRPF:30 > to:[0:0]] > [0] [@4]: dst-address,unicast lookup in interface's mpls table > ip4-explicit-null:eos/21 fib:1 index:29 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[35] locks:2 flags:exclusive, uPRF-list:29 len:0 > itfs:[] > path:[35] pl-index:35 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dst-address,unicast lookup in interface's ip4 table > > forwarding: mpls-eos-chain > [@0]: dpo-load-balance: [proto:mpls index:32 buckets:1 uRPF:29 > to:[0:0]] > [0] [@3]: dst-address,unicast lookup in interface's ip4 table > router-alert:neos/21 fib:1 index:27 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[33] locks:2 flags:exclusive, uPRF-list:27 len:0 > itfs:[] > path:[33] pl-index:33 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dpo-punt > > forwarding: mpls-neos-chain > [@0]: dpo-load-balance: [proto:mpls index:30 buckets:1 uRPF:27 > to:[0:0]] > [0] [@2]: dpo-punt > router-alert:eos/21 fib:1 index:28 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[34] locks:2 flags:exclusive, uPRF-list:28 len:0 > itfs:[] > path:[34] pl-index:34 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dpo-punt > > forwarding: mpls-eos-chain > [@0]: dpo-load-balance: [proto:mpls index:31 buckets:1 uRPF:28 > to:[0:0]] > [0] [@2]: dpo-punt > ipv6-explicit-null:neos/21 fib:1 index:32 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[38] locks:2 flags:exclusive, uPRF-list:32 len:0 > itfs:[] > path:[38] pl-index:38 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dst-address,unicast lookup in interface's mpls table > > forwarding: mpls-neos-chain > [@0]: dpo-load-balance: [proto:mpls index:35 buckets:1 uRPF:32 > to:[0:0]] > [0] [@4]: dst-address,unicast lookup in interface's mpls table > ipv6-explicit-null:eos/21 fib:1 index:31 locks:2 > special refs:1 entry-flags:exclusive, src- > flags:added,contributing,active, > path-list:[37] locks:2 flags:exclusive, uPRF-list:31 len:0 > itfs:[] > path:[37] pl-index:37 mpls weight=1 pref=0 exclusive: oper- > flags:resolved, cfg-flags:exclusive, > [@0]: dst-address,unicast lookup in interface's ip6 table > > forwarding: mpls-eos-chain > [@0]: dpo-load-balance: [proto:mpls index:34 buckets:1 uRPF:31 > to:[0:0]] > [0] [@5]: dst-address,unicast lookup in interface's ip6 table > 2002:neos/21 fib:1 index:48 locks:2 > CLI refs:1 src-flags:added,contributing,active, > path-list:[50] locks:6 flags:shared, uPRF-list:52 len:1 itfs:[8, > ] > path:[58] pl-index:50 ip4 weight=1 pref=0 attached-nexthop: > oper-flags:resolved, > 23.0.0.2 memif32321/32321 > [@0]: ipv4 via 23.0.0.2 memif32321/32321: mtu:9000 next:3 > 7a24276404047a1ce86404040800 > Extensions: > path:58 mpls-flags:[no-ip-tll-decr] labels:[[implicit-null pipe > ttl:0 exp:0]] > forwarding: mpls-neos-chain > [@0]: dpo-load-balance: [proto:mpls index:51 buckets:1 uRPF:52 > to:[0:0]] > [0] [@8]: mpls via 23.0.0.2 memif32321/32321: mtu:9000 next:2 > 7a24276404047a1ce86404048847 > 20001:eos/21 fib:1 index:47 locks:2 > CLI refs:1 src-flags:added,contributing,active, > path-list:[52] locks:2 flags:shared, uPRF-list:50 len:0 itfs:[] > path:[60] pl-index:52 ip6 weight=1 pref=0 deag: oper- > flags:resolved, > fib-index:0 > > forwarding: mpls-eos-chain > [@0]: dpo-load-balance: [proto:mpls index:50 buckets:1 uRPF:50 > to:[0:0]] > [0] [@6]: mpls-disposition:[0]:[rpf-id:-1 ip6, pipe] > [@5]: dst-address,unicast lookup in ipv6-VRF:0 > Router Address: 0.0.0.0 > > > Thanks and Regards, > Sudhir > > > > NOTICE TO RECIPIENT This e-mail message and any attachments are > confidential and may be privileged. If you received this e-mail in error, > any review, use, dissemination, distribution, or copying of this e-mail is > strictly prohibited. Please notify us immediately of the error by return > e-mail and please delete this message from your system. For more > information about Rtbrick, please visit us at www.rtbrick.com > <http://www.rtbrick.com> > > > > > > NOTICE TO RECIPIENT This e-mail message and any attachments are > confidential and may be privileged. If you received this e-mail in error, > any review, use, dissemination, distribution, or copying of this e-mail is > strictly prohibited. Please notify us immediately of the error by return > e-mail and please delete this message from your system. For more > information about Rtbrick, please visit us at www.rtbrick.com > <http://www.rtbrick.com>
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