Bug 2137754
| Summary: | [CT] Inner header of ICMP related traffic does not get DNATed | ||||||
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| Product: | Red Hat Enterprise Linux Fast Datapath | Reporter: | Ales Musil <amusil> | ||||
| Component: | openvswitch3.0 | Assignee: | Ales Musil <amusil> | ||||
| Status: | CLOSED EOL | QA Contact: | Jiying Qiu <jiqiu> | ||||
| Severity: | high | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | FDP 22.E | CC: | ctrautma, jhsiao, jpradhan, pvalerio, qding, ralongi | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | openvswitch3.0-3.0.0-31.el9fdp | Doc Type: | If docs needed, set a value | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2024-10-08 17:49:14 UTC | Type: | Bug | ||||
| 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: | |||||||
| Bug Blocks: | 2126083 | ||||||
| Attachments: |
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Patch posted: https://patchwork.ozlabs.org/project/openvswitch/patch/20221027091413.173848-1-amusil@redhat.com/ Sorry the BZ was originally opened for wrong component. The fix is in, there is also 2.17 clone: https://bugzilla.redhat.com/show_bug.cgi?id=2178200 Verified on openvswitch3.0-3.0.0-31.el9fdp.x86_64. Use the reproducer attached.
23:28:08.107642 00:00:00:00:20:00 > 00:00:00:00:10:20, ethertype IPv4 (0x0800), length 70: (tos 0x0, ttl 255, id 287, offset 0, flags [none], proto ICMP (1), length 56)
192.168.20.1 > 192.168.10.20: ICMP 192.168.20.10 unreachable - need to frag (mtu 1400), length 36
(tos 0x0, ttl 10, id 0, offset 0, flags [DF], proto UDP (17), length 28)
192.168.10.20.2 > 192.168.20.10.1: UDP, length 0
This bug did not meet the criteria for automatic migration and is being closed. If the issue remains, please open a new ticket in https://issues.redhat.com/browse/FDP |
Created attachment 1920425 [details] Reproducer Description of problem: When we have a ICMP related message from different source address the inner header does not get DNATed. How reproducible: 100% Steps to Reproduce: 1. Run the reproducer script Actual results: 06:09:43.044558 00:00:00:00:20:00 > 00:00:00:00:10:20, ethertype IPv4 (0x0800), length 70: (tos 0x0, ttl 255, id 287, offset 0, flags [none], proto ICMP (1), length 56) 192.168.20.1 > 192.168.10.20: ICMP 192.168.20.10 unreachable - need to frag (mtu 1400), length 36 (tos 0x0, ttl 10, id 0, offset 0, flags [DF], proto UDP (17), length 28) 192.168.20.20.2 > 192.168.20.10.1: UDP, length 0 Expected results: 06:09:43.044558 00:00:00:00:20:00 > 00:00:00:00:10:20, ethertype IPv4 (0x0800), length 70: (tos 0x0, ttl 255, id 287, offset 0, flags [none], proto ICMP (1), length 56) 192.168.20.1 > 192.168.10.20: ICMP 192.168.20.10 unreachable - need to frag (mtu 1400), length 36 (tos 0x0, ttl 10, id 0, offset 0, flags [DF], proto UDP (17), length 28) 192.168.10.20.2 > 192.168.20.10.1: UDP, length 0