Hello,
When I add a second chassis to ha_chassis_group that is referenced by a logical
router port, the chassisredirect type port in OVN_Sourthbound db gets unbound
because bfd reports its state down despite that BFD control packets are seen by
tcpdump on both chassis. The stats on tunnel interfaces show 0 receive packets
and non-zero transmit ones. The tunnel seems to be working because if I start
linux containers on each chassis, they can communicate to each other.
Here are some data:
ovs-vsctl find interface name=ovn-700f2f-0
_uuid : 4be5bded-3ac5-4dce-925c-127eabfa8947
admin_state : up
bfd : {enable="true"}
bfd_status : {diagnostic="No Diagnostic", flap_count="0",
forwarding="false", remote_diagnostic="No Diagnostic", remote_state=down,
state=down}
cfm_fault : []
cfm_fault_status : []
cfm_flap_count : []
cfm_health : []
cfm_mpid : []
cfm_remote_mpids : []
cfm_remote_opstate : []
duplex : []
error : []
external_ids : {}
ifindex : 32
ingress_policing_burst: 0
ingress_policing_rate: 0
lacp_current : []
link_resets : 0
link_speed : []
link_state : up
lldp : {}
mac : []
mac_in_use : "46:77:87:1b:d1:73"
mtu : []
mtu_request : []
name : ovn-700f2f-0
ofport : 38
ofport_request : []
options : {csum="true", key=flow, remote_ip="10.230.185.137"}
other_config : {}
statistics : {rx_bytes=0, rx_packets=0, tx_bytes=4396524,
tx_packets=66614}
status : {tunnel_egress_iface=eth0, tunnel_egress_iface_carrier=up}
type : geneve
ovs-vsctl find interface name=ovn-c2baf3-0
_uuid : 48ef30f5-4cdc-4abe-a28f-e77b8a3e6697
admin_state : up
bfd : {enable="true"}
bfd_status : {diagnostic="No Diagnostic", flap_count="0",
forwarding="false", remote_diagnostic="No Diagnostic", remote_state=down,
state=down}
cfm_fault : []
cfm_fault_status : []
cfm_flap_count : []
cfm_health : []
cfm_mpid : []
cfm_remote_mpids : []
cfm_remote_opstate : []
duplex : []
error : []
external_ids : {}
ifindex : 13
ingress_policing_burst: 0
ingress_policing_rate: 0
lacp_current : []
link_resets : 0
link_speed : []
link_state : up
lldp : {}
mac : []
mac_in_use : "0a:96:5d:04:c4:25"
mtu : []
mtu_request : []
name : ovn-c2baf3-0
ofport : 7
ofport_request : []
options : {csum="true", key=flow, remote_ip="10.230.185.129"}
other_config : {}
statistics : {rx_bytes=0, rx_packets=0, tx_bytes=5117376,
tx_packets=77536}
status : {tunnel_egress_iface=eth0, tunnel_egress_iface_carrier=up}
type : geneve
tcpdump -ntli genev_sys_6081 -Xe -s 100
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on genev_sys_6081, link-type EN10MB (Ethernet), snapshot length 100
bytes
46:77:87:1b:d1:73 > 00:23:20:00:00:01, ethertype IPv4 (0x0800), length 66:
169.254.1.1.49158 > 169.254.1.0.3784: BFDv1, Control, State Down, Flags:
[none], length: 24
0x0000: 45c0 0034 0000 0000 ff11 64fb a9fe 0101 E..4......d.....
0x0010: a9fe 0100 c006 0ec8 0020 0000 2040 0318 .............@..
0x0020: 4515 34b9 0000 0000 000f 4240 000f 4240 E.4.......B@..B@
0x0030: 0000 0000 ....
46:77:87:1b:d1:73 > 00:23:20:00:00:01, ethertype IPv4 (0x0800), length 66:
169.254.1.1.49158 > 169.254.1.0.3784: BFDv1, Control, State Down, Flags:
[none], length: 24
0x0000: 45c0 0034 0000 0000 ff11 64fb a9fe 0101 E..4......d.....
0x0010: a9fe 0100 c006 0ec8 0020 0000 2040 0318 .............@..
0x0020: 4515 34b9 0000 0000 000f 4240 000f 4240 E.4.......B@..B@
0x0030: 0000 0000 ....
46:77:87:1b:d1:73 > 00:23:20:00:00:01, ethertype IPv4 (0x0800), length 66:
169.254.1.1.49158 > 169.254.1.0.3784: BFDv1, Control, State Down, Flags:
[none], length: 24
0x0000: 45c0 0034 0000 0000 ff11 64fb a9fe 0101 E..4......d.....
0x0010: a9fe 0100 c006 0ec8 0020 0000 2040 0318 .............@..
0x0020: 4515 34b9 0000 0000 000f 4240 000f 4240 E.4.......B@..B@
0x0030: 0000 0000 ....
Messages logged in /var/log/openvswitch/ovs-vswitchd.log
2021-05-22T04:30:44.881Z|01540|bfd(monitor10)|DBG|ovn-700f2f-0: Sending BFD
Message.
vers:1 diag:"No Diagnostic" state:down mult:3 length:24
flags: none
my_disc:0x451534b9 your_disc:0x0
min_tx:1000000us (1000ms)
min_rx:1000000us (1000ms)
min_rx_echo:0us (0ms) Forwarding: false
Detect Multiplier: 3
Concatenated Path Down: false
TX Interval: Approx 1000ms
RX Interval: Approx 1000ms
Detect Time: now -268868363ms
Next TX Time: now -1ms
Last TX Time: now -871ms
Local Flags: none
Local Session State: down
Local Diagnostic: No Diagnostic
Local Discriminator: 0x451534b9
Local Minimum TX Interval: 1000ms
Local Minimum RX Interval: 1000ms
Remote Flags: none
Remote Session State: down
Remote Diagnostic: No Diagnostic
Remote Discriminator: 0x0
Remote Minimum TX Interval: 0ms
Remote Minimum RX Interval: 1ms
Remote Detect Multiplier: 0
The versions of both ovn and ovs are the latest, built from master git repos in
alpine-3.13.
Do I miss anything?
Thank you!
[unknown.png]
Arkadi Poliakevitch | Enterprise Applications
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