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MFC r336195: unbreak dhclient(8) option 26 processing
authoreugen <eugen@FreeBSD.org>
Wed, 18 Jul 2018 01:57:13 +0000 (01:57 +0000)
committereugen <eugen@FreeBSD.org>
Wed, 18 Jul 2018 01:57:13 +0000 (01:57 +0000)
commit6cf691c4162ca1b63686cf0168c7c7308abcf749
tree84e98ce7b81f97df3d4e2ce159904c45ce436b70tree | snapshot
parentfd6933f79cbb233bb8821d772d181a941ed24ed0commit | diff
MFC r336195: unbreak dhclient(8) option 26 processing

  Make dhclient(8) verify if new MTU (option 26) differs from current one
  and skip unneeded MTU change. This check eliminates infinite loop
  of MTU change / link flap / lease verification / MTU change / link flap etc.
  in case of some NIC drivers like em(4) or igb(4).

PR: 229432
Approved by: mav (mentor)
sbin/dhclient/dispatch.c diff | blob | history
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