[ntp:questions] Re: Strange IP flags set in NTP conversation

Vernon Schryver vjs at calcite.rhyolite.com
Tue Oct 14 17:35:09 UTC 2003

In article <e4OdnWWgZfIBuRGiRVn-hg at speakeasy.net>,
Michael Sierchio  <kudzu at tenebras.com> wrote:

>       ... Anybody have a clue why ntp on FreeBSD (RELENG_4_8)
>is setting the differentiated services flag to 0x10 ?  Maybe
>this is based on the old TOS value of "low delay" ???  Kinda
>out of date, and generates "anomalous packet header" log
>entries, since this is an illegal combination of bits in the
>DS bits.

Do you have an exgesis of DS RFCs showing 0x10 is invalid?

There are plenty of routers that honor the old TOS values.

Vernon Schryver    vjs at rhyolite.com

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