Hi Neale,
We tested VPLS and VPWS ,the result :In VPLS the flow was dropped in L2.
In VPWS unable to send and receive messages continuously.Sometimes there is no
flow receive/send.
MPLS L2VPN VPLS
The configuration and trace is shown below:
######## ######## ######## ########
####PE1
create host-interface name eth0
create host-interface name eth1
set int state host-eth1 up
set int state host-eth0 up
set interface mac address host-eth0 00:03:7F:FF:FF:FF
set interface mac address host-eth1 00:03:7F:FF:FF:FE
set int ip address host-eth1 2.1.1.1/24
set interface mpls host-eth1 enable
mpls tunnel l2-only via 2.1.1.2 host-eth1 out-label 34 out-label 33
set int state mpls-tunnel0 up
set interface l2 bridge mpls-tunnel0 1
set interface l2 bridge host-eth0 1
mpls local-label add eos 1023 l2-input-on mpls-tunnel0
mpls local-label add non-eos 1024 mpls-lookup-in-table 0
######## ######## ######## ########
####PE2
create host-interface name eth0
create host-interface name eth1
set int state host-eth1 up
set int state host-eth0 up
set interface mac address host-eth0 00:50:43:00:02:02
set interface mac address host-eth1 0E:1A:0D:00:50:43
set int ip address host-eth1 2.1.1.2/24
set interface mpls host-eth1 enable
mpls tunnel l2-only via 2.1.1.1 host-eth1 out-label 1024 out-label 1023
set int state mpls-tunnel0 up
set interface l2 bridge mpls-tunnel0 1
set interface l2 bridge host-eth0 1
mpls local-label add eos 33 l2-input-on mpls-tunnel0
mpls local-label add non-eos 34 mpls-lookup-in-table 0
Is the configuration correctly?
DBGvpp# show trace
------------------- Start of thread 0 vpp_main -------------------
Packet 1
00:04:36:289191: af-packet-input
af_packet: hw_if_index 1 next-index 4
tpacket2_hdr:
status 0x9 len 76 snaplen 76 mac 66 net 80
sec 0x2736 nsec 0xb5544e1 vlan 0
00:04:36:291446: ethernet-input
IP4: 00:50:43:00:02:02 -> 2c:53:4a:02:91:db
00:04:36:291525: l2-input
l2-input: sw_if_index 1 dst 2c:53:4a:02:91:db src 00:50:43:00:02:02
00:04:36:291582: l2-learn
l2-learn: sw_if_index 1 dst 2c:53:4a:02:91:db src 00:50:43:00:02:02 bd_index 1
00:04:36:291643: l2-fwd
l2-fwd: sw_if_index 1 dst 2c:53:4a:02:91:db src 00:50:43:00:02:02 bd_index 1
00:04:36:291673: error-drop
l2-fwd: Reflection Drop
VPWS
The configuration and trace is shown below:
VPP1
create host-interface name eth0
create host-interface name eth1
set int state host-eth1 up
set int state host-eth0 up
set interface mac address host-eth0 00:03:7F:FF:FF:FF
set interface mac address host-eth1 00:03:7F:FF:FF:FE
set int ip address host-eth1 2.1.1.1/24
set interface mpls host-eth1 enable
mpls tunnel l2-only via 2.1.1.2 host-eth1 out-label 34 out-label 33
set int state mpls-tunnel0 up
set interface l2 xconnect host-eth0 mpls-tunnel0
set interface l2 xconnect mpls-tunnel0 host-eth0
mpls local-label add eos 1023 l2-input-on mpls-tunnel0
mpls local-label add non-eos 1024 mpls-lookup-in-table 0
######## ######## ######## ########
VPP2
create host-interface name eth0
create host-interface name eth1
set int state host-eth1 up
set int state host-eth0 up
set interface mac address host-eth0 00:50:43:00:02:02
set interface mac address host-eth1 0E:1A:0D:00:50:43
set int ip address host-eth1 2.1.1.2/24
set interface mpls host-eth1 enable
mpls tunnel l2-only via 2.1.1.1 host-eth1 out-label 1024 out-label 1023
set int state mpls-tunnel0 up
set interface l2 xconnect host-eth0 mpls-tunnel0
set interface l2 xconnect mpls-tunnel0 host-eth0
mpls local-label add eos 33 l2-input-on mpls-tunnel0
mpls local-label add non-eos 34 mpls-lookup-in-table 0
show trace
VPP1
Packet 3
00:03:05:985952: af-packet-input
af_packet: hw_if_index 1 next-index 4
tpacket2_hdr:
status 0x1 len 124 snaplen 124 mac 66 net 80
sec 0x5b1f nsec 0x35349da1 vlan 0
00:03:05:986527: ethernet-input
IP4: 00:10:94:00:00:04 -> 00:03:7f:ff:ff:ff
00:03:05:986683: l2-input
l2-input: sw_if_index 1 dst 00:03:7f:ff:ff:ff src 00:10:94:00:00:04
00:03:05:986805: l2-output
l2-output: sw_if_index 3 dst 00:03:7f:ff:ff:ff src 00:10:94:00:00:04 data 08
00 45 c0 00 6e 01 10 00 00 ff fd
00:03:05:986932: mpls-tunnel0-output
mpls-tunnel0
00000000: 00037fffffff001094000004080045c0006e01100000fffd324ac0a80314c0a8
00000020: 0214000000000000000000000000000000000000000000000000000000000000
00000040: 0000000000000000000000000000000000000000000000000000000000000000
00000060: 0000000000000000c12dada7ee982510513b19e40f04dc7d952391bc
00:03:05:987057: mpls-tunnel0-tx
MPLS: tunnel 0
00:03:05:987105: l2-load-balance
L2-load-balance: index 22
00:03:05:987162: ethernet-mpls-label-imposition
mpls-header:[33:255:0:eos]
00:03:05:987207: mpls-output
adj-idx 2 : mpls via 2.1.1.2 host-eth1: 0e1a0d00504300037ffffffe8847 flow
hash: 0xb78171c6
00000000: 0000000000000000000000000000000000000000000000000000000000000000
00000020: 00000000000000000000000000000000000000000000000000000000
00:03:05:987385: host-eth1-output
host-eth1
MPLS: 00:03:7f:ff:ff:fe -> 0e:1a:0d:00:50:43
label 34 exp 0, s 0, ttl 255
---------------------------------------------------------------------------------------------------------------------
VPP2
Packet 6
00:07:14:455621: af-packet-input
af_packet: hw_if_index 2 next-index 4
tpacket2_hdr:
status 0x1 len 146 snaplen 146 mac 66 net 80
sec 0x24ba nsec 0x7299553 vlan 0
00:07:14:455772: ethernet-input
MPLS: 00:03:7f:ff:ff:fe -> 0e:1a:0d:00:50:43
00:07:14:455928: mpls-input
MPLS: next mpls-lookup[1] label 34 ttl 255
00:07:14:456060: mpls-lookup
MPLS: next [7], lookup fib index 0, LB index 23 hash 0 label 34 eos 0
00:07:14:456177: lookup-mpls-dst
fib-index:0 hdr:[33:255:0:eos] load-balance:21
00:07:14:456251: interface-dpo-l2
sw_if_index:3
00:07:14:456289: l2-input
l2-input: sw_if_index 3 dst 00:03:7f:ff:ff:ff src 00:10:94:00:00:04
00:07:14:456468: l2-output
l2-output: sw_if_index 1 dst 00:03:7f:ff:ff:ff src 00:10:94:00:00:04 data 08
00 45 c0 00 6e 0b 24 00 00 ff fd
00:07:14:456511: host-eth0-output
host-eth0
IP4: 00:10:94:00:00:04 -> 00:03:7f:ff:ff:ff
unknown 253: 192.168.3.20 -> 192.168.2.20
tos 0xc0, ttl 255, length 110, checksum 0x2836
fragment id 0x0b24
Thanks,
xyxue
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