Bug 1888229
| Summary: | we need to clean dns cache when bringing down connection | ||||||
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| Product: | Red Hat Enterprise Linux 8 | Reporter: | Vladimir Benes <vbenes> | ||||
| Component: | NetworkManager | Assignee: | Thomas Haller <thaller> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Vladimir Benes <vbenes> | ||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 8.3 | CC: | acardace, atragler, bgalvani, lrintel, rkhan, sukulkar, till | ||||
| Target Milestone: | rc | Keywords: | Triaged | ||||
| Target Release: | 8.0 | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | NetworkManager-1.30.0-0.1.el8 | Doc Type: | If docs needed, set a value | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2021-05-18 13:29:43 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: | |||||||
| Attachments: |
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Hi Vladimir, I can't reproduce the problem with NM 1.26.4. Can you please attach logs? Thanks! Created attachment 1724550 [details]
Reproducer
Additional fix: https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/commit/195cbf3cee71348458b638d40d833f797240fa18 https://gitlab.freedesktop.org/NetworkManager/NetworkManager-ci/-/merge_requests/680 passing on all arches ehm, s390x is not passing.. moving back to assigned Another fix: https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/commit/526b484be1981b4bfcc5e48d5480c6ac7ccd8b66 Now passing on all arches! 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 (Moderate: NetworkManager and libnma security, 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/RHSA-2021:1574 |
Description of problem: after running @con_ipv6_remove @eth0 @ipv6_dns_manual_IP_with_manual_dns Scenario: nmcli - ipv6 - dns - method static + IP + dns * Add a new connection of type "ethernet" and options "ifname eth10 con-name con_ipv6 ipv4.may-fail no ipv6.method static ipv6.addresses 2001::1/126 ipv6.gateway 4000::1 ipv6.dns '4000::1, 5000::1'" Then Nameserver "4000::1" is set in "45" seconds Then Nameserver "5000::1" is set Then Nameserver "10." is set in "45" seconds I can still see Link 158 (eth3) Current Scopes: none DefaultRoute setting: no LLMNR setting: yes MulticastDNS setting: no DNSOverTLS setting: no DNSSEC setting: no DNSSEC supported: no DNS Servers: 4000::1 5000::1 in resolvectl even if the eth3 profile is down, shouldn't this be cleaned? Version-Release number of selected component (if applicable): 1.26 (F33)