From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cathryn Mataga Subject: Re: Netrom: Quality issue Date: Sun, 07 Jul 2013 11:45:34 -0700 Message-ID: <51D9B74E.7030603@junglevision.com> References: <51D79AE6.5030208@junglevision.com> <51D7A082.1000500@junglevision.com> <51D7AC41.6060606@junglevision.com> <51D7AE2B.3070408@junglevision.com> <51D852B6.3060401@trinnet.net> <20130706202807.GB18314@x-berg.in-berlin.de> <51D905C2.1000301@junglevision.com> <51D99E83.9000604@trinnet.net> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <51D99E83.9000604@trinnet.net> Sender: linux-hams-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: David Ranch Cc: Thomas Osterried , linux-hams On 7/7/2013 9:59 AM, David Ranch wrote: > > I agree with Cathryn that this is a "as designed" issue though I'd > argue we should CHANGE it. Specifically, the Linux netromd man page > says "RECEIVED from a routing broadcast" where as > My concern about changing this is that for a configuration like the one here, basically nodes will only get added if they come in as quality 255. That is the (254*120 + 128)/256 = 119. # ax25_name min_obs def_qual worst_qual verbose # 1 5 120 120 0 > Kantronics KPC3+ - > http://www.kantronics.com/documents/kpc-3plus_manual_RevD.pdf > " > Page 137 > . . . > When K-Net hears neighbor node (A) transmit a node broadcast, it > computes the quality to distant nodes (B, C, D, etc.) contained in > that broadcast > by using the quality that is assigned to neighbor node (A). If the > ***resultant > computation*** is less than MINQUAL, the distant nodes (B, C, D, etc.) > are not > added to the nodes table (see QUALITY command). > -- > > > I also looked around for finding the default for the X1J TNC but > couldn't find a clear citable URL but I believe the default there is 140. > > --David > > > > >> Err, I don't think it's really a bug. He's probably got a node coming >> in at quality 120 and then it does (120 * 120 +128)/256 Maybe update >> the man page to explain what's going on. >> >> worstqual this is the worst quality node received >> from a routing broadcast that will be added >> to our routing table. >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-hams" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html