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Diffstat (limited to 'examples/QOS/Diffserv/NOTES.txt')
| -rw-r--r-- | examples/QOS/Diffserv/NOTES.txt | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/examples/QOS/Diffserv/NOTES.txt b/examples/QOS/Diffserv/NOTES.txt deleted file mode 100644 index 4e73c66af0f..00000000000 --- a/examples/QOS/Diffserv/NOTES.txt +++ /dev/null @@ -1,58 +0,0 @@ -# $Id$ - -Linux notes -=========== - -Under Linux kernel 2.4, the following DSCP values -could not be set with the setsockopt call -unless you run as root: - -EF, CS5, CS6, CS7 - -Also, under Linux 2.4.2 kernel, if I could successfully -set the 2 bits reserved for ECN in the Diffserv Field to -0x00 or 0x02. However, the setsockopt call would -fail if it was set to 0x01 or 0x03. - -According to the Linux Diffserv mailing list: -http://diffserv.sourceforge.net -http://www.geocrawler.com/archives/3/11111/2001/10/0/6761099/ - -=========================================================================== -On Fri, Oct 05, 2001 at 08:18:06AM +0300, Pekka Savola wrote: -> On Tue, 2 Oct 2001, Craig Rodrigues wrote: -> > Can someone shed some light as to why I got this -> > error under Linux? Is it configuration problem, -> > or is there some sort of policy decision in the kernel that -> > requires the process to be run as root when setting -> > those DSCP values? -> -> A part of DSCP field was previously Precedence. -> -> Linux has required that in order to use 'Critical' or higher Precedence, -> one must have CAP_NET_ADMIN capability, in most cases, root. -> -> I'm not one to say whether this restriction should be removed. Perhaps. -> -> -- -> Pekka Savola "Tell me of difficulties surmounted, -> Netcore Oy not those you stumble over and fall" -> Systems. Networks. Security. -- Robert Jordan: A Crown of Swords -> -=========================================================================== - -FreeBSD notes -============= -Under FreeBSD 4.3, I encountered no problems -setting DSCP or ECN values, and I could set all -these values without being root. -However, FreeBSD seems to be more fussy about the size of the parameter -you pass into the setsockopt call. Make sure you get the -size right, and cast it properly, ie. don't cast a short, or some -other size. - - -Solaris notes -============= -No problems setting DSCP or ECN values. - |