Bug 1776712
Summary: | [OVN] pinging vm floatinip is failing at scale | ||
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Product: | Red Hat Enterprise Linux Fast Datapath | Reporter: | Dumitru Ceara <dceara> |
Component: | ovn2.12 | Assignee: | Dumitru Ceara <dceara> |
Status: | CLOSED ERRATA | QA Contact: | ying xu <yinxu> |
Severity: | high | Docs Contact: | |
Priority: | unspecified | ||
Version: | RHEL 7.6 | CC: | ctrautma, dalvarez, dceara, jishi, kfida, liali, qding, ralongi, vkommadi |
Target Milestone: | --- | ||
Target Release: | --- | ||
Hardware: | Unspecified | ||
OS: | Unspecified | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | If docs needed, set a value | |
Doc Text: | Story Points: | --- | |
Clone Of: | 1756945 | Environment: | |
Last Closed: | 2020-01-21 06:20:15 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 1756945 | ||
Bug Blocks: |
Description
Dumitru Ceara
2019-11-26 08:31:07 UTC
topo like this: vm0---------s0-----------r1-------s1----------vm1 | rn | sn | vmn (n>=400) s0 connected to N routers(N>=400) and every router connected to a sw, and s0 connected to a provider network vm0,create dnat and snat entry for vm1 and from vm0, send a arp to request the dnat entry of vm1. reproduced on ovn2.12-15 [root@dell-per730-57 qos]# rpm -qa|grep ovn ovn2.12-host-2.12.0-15.el7fdp.x86_64 kernel-kernel-networking-openvswitch-ovn-common-1.0-6.noarch kernel-kernel-networking-openvswitch-ovn-basic-1.0-16.noarch ovn2.12-central-2.12.0-15.el7fdp.x86_64 kernel-kernel-networking-openvswitch-ovn-qos-1.0-1.noarch ovn2.12-2.12.0-15.el7fdp.x86_64 [root@dell-per730-57 qos]# ovn-nbctl lr-nat-list r1 TYPE EXTERNAL_IP LOGICAL_IP EXTERNAL_MAC LOGICAL_PORT dnat_and_snat 172.16.0.200 173.0.1.2 00:00:00:01:02:03 vm1 [root@dell-per730-57 qos]# ip netns exec vm0 ip nei fe80::202:c9ff:fe52:2727 dev vm0 lladdr 00:02:c9:52:27:27 router STALE [root@dell-per730-57 qos]# ip netns exec vm0 ping 172.16.0.200 PING 172.16.0.200 (172.16.0.200) 56(84) bytes of data. ^C --- 172.16.0.200 ping statistics --- 2 packets transmitted, 0 received, 100% packet loss, time 1000ms [root@dell-per730-57 qos]# ip netns exec vm0 ip nei 172.16.0.200 dev vm0 FAILED ----------------------------------------------------------------->>vm0 can't get the arp fe80::202:c9ff:fe52:2727 dev vm0 lladdr 00:02:c9:52:27:27 router STALE verified on ovn2.12-19 [root@dell-per730-57 basic]# rpm -qa|grep ovn ovn2.12-central-2.12.0-19.el7fdp.x86_64 kernel-kernel-networking-openvswitch-ovn-common-1.0-6.noarch kernel-kernel-networking-openvswitch-ovn-basic-1.0-16.noarch ovn2.12-2.12.0-19.el7fdp.x86_64 ovn2.12-host-2.12.0-19.el7fdp.x86_64 [root@dell-per730-57 qos]# ip netns exec vm0 ip nei fe80::202:c9ff:fe52:2727 dev vm0 lladdr 00:02:c9:52:27:27 router STALE [root@dell-per730-57 qos]# ip netns exec vm0 ping 172.16.0.200 PING 172.16.0.200 (172.16.0.200) 56(84) bytes of data. From 172.16.0.100 icmp_seq=1 Destination Host Unreachable From 172.16.0.100 icmp_seq=2 Destination Host Unreachable From 172.16.0.100 icmp_seq=3 Destination Host Unreachable From 172.16.0.100 icmp_seq=4 Destination Host Unreachable ^C --- 172.16.0.200 ping statistics --- 5 packets transmitted, 0 received, +4 errors, 100% packet loss, time 4000ms pipe 4 [root@dell-per730-57 qos]# ip netns exec vm0 ip nei 172.16.0.200 dev vm0 lladdr 00:00:00:01:02:03 REACHABLE ----------------------------------------------->>vm0 can get the arp fe80::202:c9ff:fe52:2727 dev vm0 lladdr 00:02:c9:52:27:27 router STALE Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0167 |