summaryrefslogtreecommitdiffstats
path: root/docs/guides/progressivevpp/traces.rst
diff options
context:
space:
mode:
Diffstat (limited to 'docs/guides/progressivevpp/traces.rst')
-rw-r--r--docs/guides/progressivevpp/traces.rst499
1 files changed, 499 insertions, 0 deletions
diff --git a/docs/guides/progressivevpp/traces.rst b/docs/guides/progressivevpp/traces.rst
new file mode 100644
index 00000000000..076e2fa57b8
--- /dev/null
+++ b/docs/guides/progressivevpp/traces.rst
@@ -0,0 +1,499 @@
+.. _traces:
+
+.. toctree::
+
+Traces
+======
+
+Basic Trace Commands
+~~~~~~~~~~~~~~~~~~~~
+
+Show trace buffer [max COUNT].
+
+.. code-block:: console
+
+ vpp# show trace
+
+
+Clear trace buffer and free memory.
+
+.. code-block:: console
+
+ vpp# clear trace
+
+filter trace output - include NODE COUNT | exclude NODE COUNT | none.
+
+.. code-block:: console
+
+ vpp# trace filter <include NODE COUNT | exclude NODE COUNT | none>
+
+Skills to be Learned
+~~~~~~~~~~~~~~~~~~~~
+
+#. Setup a 'trace'
+#. View a 'trace'
+#. Clear a 'trace'
+#. Verify using ping from host
+#. Ping from vpp
+#. Examine Arp Table
+#. Examine ip fib
+
+Add Trace
+~~~~~~~~~
+
+.. code-block:: console
+
+ vpp# trace add af-packet-input 10
+
+Ping from Host to FD.io VPP
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block:: console
+
+ vpp# q
+ $ ping -c 1 10.10.1.2
+ PING 10.10.1.2 (10.10.1.2) 56(84) bytes of data.
+ 64 bytes from 10.10.1.2: icmp_seq=1 ttl=64 time=0.283 ms
+
+ --- 10.10.1.2 ping statistics ---
+ 1 packets transmitted, 1 received, 0% packet loss, time 0ms
+ rtt min/avg/max/mdev = 0.283/0.283/0.283/0.000 ms
+
+Examine Trace of ping from host to FD.io VPP
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block:: console
+
+ # vppctl
+ vpp# show trace
+ ------------------- Start of thread 0 vpp_main -------------------
+ Packet 1
+
+ 00:17:04:099260: af-packet-input
+ af_packet: hw_if_index 1 next-index 4
+ tpacket2_hdr:
+ status 0x20000001 len 98 snaplen 98 mac 66 net 80
+ sec 0x5b60e370 nsec 0x3af2736f vlan 0 vlan_tpid 0
+ 00:17:04:099269: ethernet-input
+ IP4: e2:0f:1e:59:ec:f7 -> 02:fe:d9:75:d5:b4
+ 00:17:04:099285: ip4-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099290: ip4-lookup
+ fib 0 dpo-idx 5 flow hash: 0x00000000
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099296: ip4-local
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099300: ip4-icmp-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099301: ip4-icmp-echo-request
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099303: ip4-load-balance
+ fib 0 dpo-idx 13 flow hash: 0x00000000
+ ICMP: 10.10.1.2 -> 10.10.1.1
+ tos 0x00, ttl 64, length 84, checksum 0x4437
+ fragment id 0xe05b, flags DONT_FRAGMENT
+ ICMP echo_reply checksum 0xc843
+ 00:17:04:099305: ip4-rewrite
+ tx_sw_if_index 1 dpo-idx 1 : ipv4 via 10.10.1.1 host-vpp1out: mtu:9000 e20f1e59ecf702fed975d5b40800 flow hash: 0x00000000
+ 00000000: e20f1e59ecf702fed975d5b4080045000054e05b4000400144370a0a01020a0a
+ 00000020: 01010000c8437c92000170e3605b000000001c170f00000000001011
+ 00:17:04:099307: host-vpp1out-output
+ host-vpp1out
+ IP4: 02:fe:d9:75:d5:b4 -> e2:0f:1e:59:ec:f7
+ ICMP: 10.10.1.2 -> 10.10.1.1
+ tos 0x00, ttl 64, length 84, checksum 0x4437
+ fragment id 0xe05b, flags DONT_FRAGMENT
+ ICMP echo_reply checksum 0xc843
+
+Clear trace buffer
+~~~~~~~~~~~~~~~~~~
+
+.. code-block:: console
+
+ vpp# clear trace
+
+Ping from FD.io VPP to Host
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block:: console
+
+ vpp# ping 10.10.1.1
+ 64 bytes from 10.10.1.1: icmp_seq=1 ttl=64 time=.0789 ms
+ 64 bytes from 10.10.1.1: icmp_seq=2 ttl=64 time=.0619 ms
+ 64 bytes from 10.10.1.1: icmp_seq=3 ttl=64 time=.0519 ms
+ 64 bytes from 10.10.1.1: icmp_seq=4 ttl=64 time=.0514 ms
+ 64 bytes from 10.10.1.1: icmp_seq=5 ttl=64 time=.0526 ms
+
+ Statistics: 5 sent, 5 received, 0% packet loss
+
+Examine Trace of ping from FD.io VPP to host
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The output will demonstrate FD.io VPP's trace of ping for all packets.
+
+.. code-block:: console
+
+ vpp# show trace
+ ------------------- Start of thread 0 vpp_main -------------------
+ Packet 1
+
+ 00:17:04:099260: af-packet-input
+ af_packet: hw_if_index 1 next-index 4
+ tpacket2_hdr:
+ status 0x20000001 len 98 snaplen 98 mac 66 net 80
+ sec 0x5b60e370 nsec 0x3af2736f vlan 0 vlan_tpid 0
+ 00:17:04:099269: ethernet-input
+ IP4: e2:0f:1e:59:ec:f7 -> 02:fe:d9:75:d5:b4
+ 00:17:04:099285: ip4-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099290: ip4-lookup
+ fib 0 dpo-idx 5 flow hash: 0x00000000
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099296: ip4-local
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099300: ip4-icmp-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099301: ip4-icmp-echo-request
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f7c
+ fragment id 0xe516, flags DONT_FRAGMENT
+ ICMP echo_request checksum 0xc043
+ 00:17:04:099303: ip4-load-balance
+ fib 0 dpo-idx 13 flow hash: 0x00000000
+ ICMP: 10.10.1.2 -> 10.10.1.1
+ tos 0x00, ttl 64, length 84, checksum 0x4437
+ fragment id 0xe05b, flags DONT_FRAGMENT
+ ICMP echo_reply checksum 0xc843
+ 00:17:04:099305: ip4-rewrite
+ tx_sw_if_index 1 dpo-idx 1 : ipv4 via 10.10.1.1 host-vpp1out: mtu:9000 e20f1e59ecf702fed975d5b40800 flow hash: 0x00000000
+ 00000000: e20f1e59ecf702fed975d5b4080045000054e05b4000400144370a0a01020a0a
+ 00000020: 01010000c8437c92000170e3605b000000001c170f00000000001011
+ 00:17:04:099307: host-vpp1out-output
+ host-vpp1out
+ IP4: 02:fe:d9:75:d5:b4 -> e2:0f:1e:59:ec:f7
+ ICMP: 10.10.1.2 -> 10.10.1.1
+ tos 0x00, ttl 64, length 84, checksum 0x4437
+ fragment id 0xe05b, flags DONT_FRAGMENT
+ ICMP echo_reply checksum 0xc843
+
+ Packet 2
+
+ 00:17:09:113964: af-packet-input
+ af_packet: hw_if_index 1 next-index 4
+ tpacket2_hdr:
+ status 0x20000001 len 42 snaplen 42 mac 66 net 80
+ sec 0x5b60e375 nsec 0x3b3bd57d vlan 0 vlan_tpid 0
+ 00:17:09:113974: ethernet-input
+ ARP: e2:0f:1e:59:ec:f7 -> 02:fe:d9:75:d5:b4
+ 00:17:09:113986: arp-input
+ request, type ethernet/IP4, address size 6/4
+ e2:0f:1e:59:ec:f7/10.10.1.1 -> 00:00:00:00:00:00/10.10.1.2
+ 00:17:09:114003: host-vpp1out-output
+ host-vpp1out
+ ARP: 02:fe:d9:75:d5:b4 -> e2:0f:1e:59:ec:f7
+ reply, type ethernet/IP4, address size 6/4
+ 02:fe:d9:75:d5:b4/10.10.1.2 -> e2:0f:1e:59:ec:f7/10.10.1.1
+
+ Packet 3
+
+ 00:18:16:407079: af-packet-input
+ af_packet: hw_if_index 1 next-index 4
+ tpacket2_hdr:
+ status 0x20000001 len 98 snaplen 98 mac 66 net 80
+ sec 0x5b60e3b9 nsec 0x90b7566 vlan 0 vlan_tpid 0
+ 00:18:16:407085: ethernet-input
+ IP4: e2:0f:1e:59:ec:f7 -> 02:fe:d9:75:d5:b4
+ 00:18:16:407090: ip4-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3fe8
+ fragment id 0x24ab
+ ICMP echo_reply checksum 0x37eb
+ 00:18:16:407094: ip4-lookup
+ fib 0 dpo-idx 5 flow hash: 0x00000000
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3fe8
+ fragment id 0x24ab
+ ICMP echo_reply checksum 0x37eb
+ 00:18:16:407097: ip4-local
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3fe8
+ fragment id 0x24ab
+ ICMP echo_reply checksum 0x37eb
+ 00:18:16:407101: ip4-icmp-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3fe8
+ fragment id 0x24ab
+ ICMP echo_reply checksum 0x37eb
+ 00:18:16:407104: ip4-icmp-echo-reply
+ ICMP echo id 7531 seq 1
+ 00:18:16:407108: ip4-drop
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3fe8
+ fragment id 0x24ab
+ ICMP echo_reply checksum 0x37eb
+ 00:18:16:407111: error-drop
+ ip4-icmp-input: unknown type
+
+ Packet 4
+
+ 00:18:17:409084: af-packet-input
+ af_packet: hw_if_index 1 next-index 4
+ tpacket2_hdr:
+ status 0x20000001 len 98 snaplen 98 mac 66 net 80
+ sec 0x5b60e3ba nsec 0x90b539f vlan 0 vlan_tpid 0
+ 00:18:17:409088: ethernet-input
+ IP4: e2:0f:1e:59:ec:f7 -> 02:fe:d9:75:d5:b4
+ 00:18:17:409092: ip4-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f40
+ fragment id 0x2553
+ ICMP echo_reply checksum 0xcc6d
+ 00:18:17:409095: ip4-lookup
+ fib 0 dpo-idx 5 flow hash: 0x00000000
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f40
+ fragment id 0x2553
+ ICMP echo_reply checksum 0xcc6d
+ 00:18:17:409097: ip4-local
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f40
+ fragment id 0x2553
+ ICMP echo_reply checksum 0xcc6d
+ 00:18:17:409099: ip4-icmp-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f40
+ fragment id 0x2553
+ ICMP echo_reply checksum 0xcc6d
+ 00:18:17:409101: ip4-icmp-echo-reply
+ ICMP echo id 7531 seq 2
+ 00:18:17:409104: ip4-drop
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3f40
+ fragment id 0x2553
+ ICMP echo_reply checksum 0xcc6d
+ 00:18:17:409104: error-drop
+ ip4-icmp-input: unknown type
+
+ Packet 5
+
+ 00:18:18:409082: af-packet-input
+ af_packet: hw_if_index 1 next-index 4
+ tpacket2_hdr:
+ status 0x20000001 len 98 snaplen 98 mac 66 net 80
+ sec 0x5b60e3bb nsec 0x8ecad24 vlan 0 vlan_tpid 0
+ 00:18:18:409087: ethernet-input
+ IP4: e2:0f:1e:59:ec:f7 -> 02:fe:d9:75:d5:b4
+ 00:18:18:409091: ip4-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e66
+ fragment id 0x262d
+ ICMP echo_reply checksum 0x8e59
+ 00:18:18:409093: ip4-lookup
+ fib 0 dpo-idx 5 flow hash: 0x00000000
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e66
+ fragment id 0x262d
+ ICMP echo_reply checksum 0x8e59
+ 00:18:18:409096: ip4-local
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e66
+ fragment id 0x262d
+ ICMP echo_reply checksum 0x8e59
+ 00:18:18:409098: ip4-icmp-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e66
+ fragment id 0x262d
+ ICMP echo_reply checksum 0x8e59
+ 00:18:18:409099: ip4-icmp-echo-reply
+ ICMP echo id 7531 seq 3
+ 00:18:18:409102: ip4-drop
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e66
+ fragment id 0x262d
+ ICMP echo_reply checksum 0x8e59
+ 00:18:18:409102: error-drop
+ ip4-icmp-input: unknown type
+
+ Packet 6
+
+ 00:18:19:414750: af-packet-input
+ af_packet: hw_if_index 1 next-index 4
+ tpacket2_hdr:
+ status 0x20000001 len 98 snaplen 98 mac 66 net 80
+ sec 0x5b60e3bc nsec 0x92450f2 vlan 0 vlan_tpid 0
+ 00:18:19:414754: ethernet-input
+ IP4: e2:0f:1e:59:ec:f7 -> 02:fe:d9:75:d5:b4
+ 00:18:19:414757: ip4-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e52
+ fragment id 0x2641
+ ICMP echo_reply checksum 0x9888
+ 00:18:19:414760: ip4-lookup
+ fib 0 dpo-idx 5 flow hash: 0x00000000
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e52
+ fragment id 0x2641
+ ICMP echo_reply checksum 0x9888
+ 00:18:19:414762: ip4-local
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e52
+ fragment id 0x2641
+ ICMP echo_reply checksum 0x9888
+ 00:18:19:414764: ip4-icmp-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e52
+ fragment id 0x2641
+ ICMP echo_reply checksum 0x9888
+ 00:18:19:414765: ip4-icmp-echo-reply
+ ICMP echo id 7531 seq 4
+ 00:18:19:414768: ip4-drop
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e52
+ fragment id 0x2641
+ ICMP echo_reply checksum 0x9888
+ 00:18:19:414769: error-drop
+ ip4-icmp-input: unknown type
+
+ Packet 7
+
+ 00:18:20:418038: af-packet-input
+ af_packet: hw_if_index 1 next-index 4
+ tpacket2_hdr:
+ status 0x20000001 len 98 snaplen 98 mac 66 net 80
+ sec 0x5b60e3bd nsec 0x937bcc2 vlan 0 vlan_tpid 0
+ 00:18:20:418042: ethernet-input
+ IP4: e2:0f:1e:59:ec:f7 -> 02:fe:d9:75:d5:b4
+ 00:18:20:418045: ip4-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e47
+ fragment id 0x264c
+ ICMP echo_reply checksum 0xc0e8
+ 00:18:20:418048: ip4-lookup
+ fib 0 dpo-idx 5 flow hash: 0x00000000
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e47
+ fragment id 0x264c
+ ICMP echo_reply checksum 0xc0e8
+ 00:18:20:418049: ip4-local
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e47
+ fragment id 0x264c
+ ICMP echo_reply checksum 0xc0e8
+ 00:18:20:418054: ip4-icmp-input
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e47
+ fragment id 0x264c
+ ICMP echo_reply checksum 0xc0e8
+ 00:18:20:418054: ip4-icmp-echo-reply
+ ICMP echo id 7531 seq 5
+ 00:18:20:418057: ip4-drop
+ ICMP: 10.10.1.1 -> 10.10.1.2
+ tos 0x00, ttl 64, length 84, checksum 0x3e47
+ fragment id 0x264c
+ ICMP echo_reply checksum 0xc0e8
+ 00:18:20:418058: error-drop
+ ip4-icmp-input: unknown type
+
+ Packet 8
+
+ 00:18:21:419208: af-packet-input
+ af_packet: hw_if_index 1 next-index 4
+ tpacket2_hdr:
+ status 0x20000001 len 42 snaplen 42 mac 66 net 80
+ sec 0x5b60e3be nsec 0x92a9429 vlan 0 vlan_tpid 0
+ 00:18:21:419876: ethernet-input
+ ARP: e2:0f:1e:59:ec:f7 -> 02:fe:d9:75:d5:b4
+ 00:18:21:419881: arp-input
+ request, type ethernet/IP4, address size 6/4
+ e2:0f:1e:59:ec:f7/10.10.1.1 -> 00:00:00:00:00:00/10.10.1.2
+ 00:18:21:419896: host-vpp1out-output
+ host-vpp1out
+ ARP: 02:fe:d9:75:d5:b4 -> e2:0f:1e:59:ec:f7
+ reply, type ethernet/IP4, address size 6/4
+ 02:fe:d9:75:d5:b4/10.10.1.2 -> e2:0f:1e:59:ec:f7/10.10.1.1
+
+After examining the trace, clear it again using vpp# clear trace.
+
+Examine arp tables
+~~~~~~~~~~~~~~~~~~
+
+.. code-block:: console
+
+ vpp# show ip arp
+ Time IP4 Flags Ethernet Interface
+ 1101.5636 10.10.1.1 D e2:0f:1e:59:ec:f7 host-vpp1out
+
+Examine routing tables
+~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block:: console
+
+ vpp# show ip fib
+ ipv4-VRF:0, fib_index:0, flow hash:[src dst sport dport proto ] locks:[src:plugin-hi:2, src:adjacency:1, src:default-route:1, ]
+ 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
+ unicast-ip4-chain
+ [@0]: dpo-load-balance: [proto:ip4 index:2 buckets:1 uRPF:1 to:[0:0]]
+ [0] [@0]: dpo-drop ip4
+ 10.10.1.0/32
+ unicast-ip4-chain
+ [@0]: dpo-load-balance: [proto:ip4 index:10 buckets:1 uRPF:9 to:[0:0]]
+ [0] [@0]: dpo-drop ip4
+ 10.10.1.1/32
+ unicast-ip4-chain
+ [@0]: dpo-load-balance: [proto:ip4 index:13 buckets:1 uRPF:12 to:[5:420] via:[2:168]]
+ [0] [@5]: ipv4 via 10.10.1.1 host-vpp1out: mtu:9000 e20f1e59ecf702fed975d5b40800
+ 10.10.1.0/24
+ unicast-ip4-chain
+ [@0]: dpo-load-balance: [proto:ip4 index:9 buckets:1 uRPF:8 to:[0:0]]
+ [0] [@4]: ipv4-glean: host-vpp1out: mtu:9000 ffffffffffff02fed975d5b40806
+ 10.10.1.2/32
+ unicast-ip4-chain
+ [@0]: dpo-load-balance: [proto:ip4 index:12 buckets:1 uRPF:13 to:[7:588]]
+ [0] [@2]: dpo-receive: 10.10.1.2 on host-vpp1out
+ 10.10.1.255/32
+ unicast-ip4-chain
+ [@0]: dpo-load-balance: [proto:ip4 index:11 buckets:1 uRPF:11 to:[0:0]]
+ [0] [@0]: dpo-drop ip4
+ 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
+ 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
+ unicast-ip4-chain
+ [@0]: dpo-load-balance: [proto:ip4 index:5 buckets:1 uRPF:4 to:[0:0]]
+ [0] [@0]: dpo-drop ip4