Bug 2208731
| Summary: | Localnet port traffic is not load balanced on the localnet switch. | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux Fast Datapath | Reporter: | OVN Bot <ovn-bot> |
| Component: | ovn23.03 | Assignee: | Mark Michelson <mmichels> |
| Status: | CLOSED ERRATA | QA Contact: | ying xu <yinxu> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | high | ||
| Version: | FDP 23.A | CC: | ctrautma, jiji, jishi, mmichels |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | ovn23.03-23.03.0-49.el8fdp | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2023-07-06 20:05:24 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: | |||
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Description
OVN Bot
2023-05-20 04:09:59 UTC
reproduced on version: # rpm -qa|grep ovn23 ovn23.03-central-23.03.0-45.el8fdp.x86_64 ovn23.03-host-23.03.0-45.el8fdp.x86_64 ovn23.03-23.03.0-45.el8fdp.x86_64 # Topology: # br-phys (localnet) --- ls-pub --- rtr -- ls-priv -- vm1 # - a load balancer applied on ls-pub with backend vm1 # - try to access vm1 via LB from br-phys ovn-nbctl lr-add rtr ovn-nbctl lrp-add rtr rtr-ls-pub 00:00:00:00:01:00 41.41.41.1/24 ovn-nbctl lrp-add rtr rtr-ls-priv 00:00:00:00:02:00 42.42.42.1/24 ovn-nbctl ls-add ls-pub ovn-nbctl ls-add ls-priv # Localnet ovn-nbctl lsp-add ls-pub ln ovn-nbctl lsp-set-type ln localnet ovn-nbctl lsp-set-addresses ln unknown ovn-nbctl lsp-set-options ln network_name=phys ovs-vsctl set open . external-ids:ovn-bridge-mappings=phys:br-phys ovs-vsctl add-br br-phys # Simulate external host on localnet ip a a dev br-phys 41.41.41.2/24 ip link set dev br-phys up ovn-nbctl lsp-add ls-pub ls-pub-rtr ovn-nbctl lsp-set-addresses ls-pub-rtr 00:00:00:00:01:00 ovn-nbctl lsp-set-type ls-pub-rtr router ovn-nbctl lsp-set-options ls-pub-rtr router-port=rtr-ls-pub ovn-nbctl lsp-add ls-priv ls-priv-rtr ovn-nbctl lsp-set-addresses ls-priv-rtr 00:00:00:00:02:00 ovn-nbctl lsp-set-type ls-priv-rtr router ovn-nbctl lsp-set-options ls-priv-rtr router-port=rtr-ls-priv # Simulate backend attached to router ovn-nbctl lsp-add ls-priv vm1 ovn-nbctl lsp-set-addresses vm1 00:00:00:00:00:01 ip netns add vm1 ovs-vsctl add-port br-int vm1 -- set interface vm1 type=internal ip link set vm1 netns vm1 ip netns exec vm1 ip link set vm1 address 00:00:00:00:00:01 ip netns exec vm1 ip addr add 42.42.42.2/24 dev vm1 ip netns exec vm1 ip link set vm1 up ip netns exec vm1 ip r a default via 42.42.42.1 ovs-vsctl set Interface vm1 external_ids:iface-id=vm1 # Add LB to switch and router ovn-nbctl lb-add lb-test 66.66.66.66:666 42.42.42.2:4242 tcp ovn-nbctl ls-lb-add ls-pub lb-test # Add route to 66.66.66.66 and 42.42.42.2 ip r a 66.66.66.66 via 41.41.41.1 ip r a 42.42.42.0/24 via 41.41.41.1 # Start a listener on vm1 ip netns exec vm1 nc -v -k -l 42.42.42.2 4242 Ncat: Version 7.70 ( https://nmap.org/ncat ) Ncat: Listening on 42.42.42.2:4242 # Try to connect from the localnet port: on the old version: #nc -v -z 66.66.66.66 666 Ncat: Connection timed out. on the fixed version: #nc -v -z 66.66.66.66 666 Ncat: Version 7.70 ( https://nmap.org/ncat ) Ncat: Connected to 66.66.66.66:666. Ncat: 0 bytes sent, 0 bytes received in 1.09 seconds. Ncat: Connection from 41.41.41.2. Ncat: Connection from 41.41.41.2:47902. set verified. 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 (ovn23.03 bug fix and enhancement update), 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-2023:3991 |