Subject: Re: ip_flow.c
To: None <email@example.com>
From: None <firstname.lastname@example.org>
Date: 01/27/1999 22:47:33
> >is this still valid?
> That was a quote from the Router Requirement RFC (RFC1812); it is a
> Proposed Standard. RFC2400 lists it as "Elective", which is described
> A system may or may not implement an elective protocol. The
> general notion is that if you are going to do something like this,
> you must do exactly this.
> implying that if you are going to do something like being a router, you
> must follow RFC1812.
I think it's relevant to ask the question about the IPv4 header checksum
- IPv6 doesn't have a header checksum at all.
- The BBN MGR doesn't do header checksum verification at all, see
I wouldn't be surprised if there are also other high speed routers that
don't verify the header checksum.
Steinar Haug, Nethelp consulting, email@example.com