VyOS command definitions, scripts, and utilities (mirror of https://github.com/vyos/vyos-1x.git) https://git.amelek.net/vyos/vyos-1x.git/atom?h=rolling 2026-06-16T18:24:44+00:00 2026-06-16T18:24:44+00:00 Christian Breunig christian@breunig.cc 2026-06-16T18:24:44+00:00 urn:sha1:fa853ed8f25b5b9bf396d6e819b2c6259e7f5f42 Replace two-word "can not" / "Can not" with "cannot" across comments, ConfigError messages, CLI help text, and op-mode output. Standard SNMP MIB files under mibs/ are left unchanged. 2025-09-13T11:16:40+00:00 Christian Breunig christian@breunig.cc 2025-09-13T11:16:40+00:00 urn:sha1:f08a5700e725a2ed4c53320b310167826953215d Commit de44c6aef249 ("interface: T7379: do not request SLAAC default route when only DHCPv6 is set") introduced a behavioral change while addressing an earlier issue fixed in e9fb2078d5ea ("interface: T7375: SLAAC assigned address is not cleared when removing SLAAC"). This change caused unintended connectivity loss after upgrading to VyOS 1.4.3. The underlying reason is that VyOS now requires explicit configuration to determine how IPv6 addressing and routing should be handled, rather than making assumptions: Requesting a DHCPv6 address alone will correctly assign an address. However, since the IPv6 default route is typically advertised via SLAAC (and not DHCPv6), SLAAC must also be explicitly enabled to receive the default route. Historically, this distinction was implicit and did not require additional configuration. To preserve backward compatibility, a configuration migrator has been added. It inspects existing configurations that only request a DHCPv6 address and automatically appends the required CLI node to also enable SLAAC, ensuring that the default route is restored after upgrade.