From e4b6b033db55b93488e86932f838c253c41d175e Mon Sep 17 00:00:00 2001 From: Thomas Markwalder Date: Fri, 20 Dec 2019 16:26:19 +0000 Subject: [#37] Updated doc on server authority and DHCPINFORMs modified: RELNOTES modified: server/dhcpd.conf.5 --- RELNOTES | 24 +++++++++++++++--------- server/dhcpd.conf.5 | 6 ++++++ 2 files changed, 21 insertions(+), 9 deletions(-) diff --git a/RELNOTES b/RELNOTES index 97edb024..27c51f6b 100644 --- a/RELNOTES +++ b/RELNOTES @@ -13,19 +13,19 @@ license terms. While release 4.4.2b1 is primarily a maintenance release that addresses a number of defects, it does introduce a few new features: -- Keama - Keama is a migration utility that assists in converting ISC DHCP server - configuration files to Kea configuration files. It is found in the keama - subdirectory and includes a README.md file with instructions on how to build it - as well as a manpage on its usage. +- Keama - Keama is a migration utility that assists in converting ISC DHCP + server configuration files to Kea configuration files. It is found in the + keama subdirectory and includes a README.md file with instructions on how + to build it as well as a manpage on its usage. - Two new server parameters related to ping checking were added: -1. ping-cltt-secs which allows the user to specify the number of seconds that must - elapse since CLTT before a ping check is conducted. - -2. ping-timeout-ms which allows the user to specify the amount of time the server - waits for a ping-check response in milliseconds rather than in seconds. +1. ping-cltt-secs which allows the user to specify the number of seconds + that must elapse since CLTT before a ping check is conducted. +2. ping-timeout-ms which allows the user to specify the amount of time the + server waits for a ping-check response in milliseconds rather than in + seconds. In general, the areas of focus for ISC DHCP 4.4 were: @@ -104,6 +104,12 @@ ISC DHCP is open source software maintained by Internet Systems Consortium. This product includes cryptographic software written by Eric Young (eay@cryptsoft.com). + Changes since 4.4.2b1 + +- Added a clarification on DHCPINFORMs and server authority to + dhcpd.conf.5 + [Gitlab #37] + Changes since 4.4.1 (New Features) - A new configuration parameter, ping-cltt-secs (v4 operation only), has diff --git a/server/dhcpd.conf.5 b/server/dhcpd.conf.5 index 7bd99b8e..d3b2ae86 100644 --- a/server/dhcpd.conf.5 +++ b/server/dhcpd.conf.5 @@ -2077,6 +2077,12 @@ that the server is authoritative for some subnets within a shared network, but not authoritative for others, nor is it meaningful to specify that the server is authoritative for some host declarations and not others. +.PP +In order for DHCPINFORMs to be responded to by the server, +they must match to subnets over which the server has authority; +otherwise they will be ignored and logged. To minimize the +impact on logging volume, only the first and every subsequent 100th +occurrence of an ignored DHCPINFORM is logged. .RE .PP The \fIboot-unknown-clients\fR statement -- cgit v1.2.1