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Pull request: 5281-dhcp-mtu-opt

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Merge in DNS/adguard-home from 5281-dhcp-mtu-opt to master

Updates #5281.

Squashed commit of the following:

commit fd97ab7ca4745c7ac2f82261dce42d377dede8b7
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Mar 7 15:40:33 2023 +0300

    all: fix docs

commit eb4ecc12efab1acb3755e4ff2708a490adf6855d
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Mar 7 15:37:07 2023 +0300

    all: imp docs, log changes

commit 887a28af8590da454763725b298baee2d022ce38
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Mar 7 14:35:12 2023 +0300

    dhcpd: rm default mtu
This commit is contained in:
Eugene Burkov 2023-03-07 15:49:47 +03:00
parent f23a0d4753
commit c11a52d60c
2 changed files with 7 additions and 8 deletions
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2
CHANGELOG.md
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@ -64,6 +64,7 @@ In this release, the schema version has changed from 16 to 17.
### Fixed
- Obsolete value of the Interface MTU DHCP option is now omitted ([#5281]).
- Various dark theme bugs ([#5439], [#5441], [#5442], [#5515]).
- Automatic update on MIPS64 and little-endian 32-bit MIPS architectures
([#5270], [#5373]).
@ -74,6 +75,7 @@ In this release, the schema version has changed from 16 to 17.
[#1472]: https://github.com/AdguardTeam/AdGuardHome/issues/1472
[#4884]: https://github.com/AdguardTeam/AdGuardHome/issues/4884
[#5270]: https://github.com/AdguardTeam/AdGuardHome/issues/5270
[#5281]: https://github.com/AdguardTeam/AdGuardHome/issues/5281
[#5373]: https://github.com/AdguardTeam/AdGuardHome/issues/5373
[#5431]: https://github.com/AdguardTeam/AdGuardHome/issues/5431
[#5439]: https://github.com/AdguardTeam/AdGuardHome/issues/5439

13
internal/dhcpd/options_unix.go
View File

@ -263,15 +263,12 @@ func (s *v4Server) prepareOptions() {
// IP-Layer Per Interface
// Since nearly all networks in the Internet currently support an MTU of
// 576 or greater, we strongly recommend the use of 576 for datagrams
// sent to non-local networks.
// Don't set the Interface MTU because client may choose the value on
// their own since it's listed in the [Host Requirements RFC]. It also
// seems the values listed there sometimes appear obsolete, see
// https://github.com/AdguardTeam/AdGuardHome/issues/5281.
//
// See https://datatracker.ietf.org/doc/html/rfc1122#section-3.3.3.
dhcpv4.Option{
Code: dhcpv4.OptionInterfaceMTU,
Value: dhcpv4.Uint16(576),
},
// [Host Requirements RFC]: https://datatracker.ietf.org/doc/html/rfc1122#section-3.3.3.
// Set the All Subnets Are Local Option to false since commonly the
// connected hosts aren't expected to be multihomed.