Date: Thu, 30 Nov 1995 11:05:14 -0500 From: "Garrett A. Wollman" <wollman@lcs.mit.edu> To: ywliu <team_fbf@pristine.com.tw> Cc: questions@freebsd.org Subject: What is in_rtqtimo ? Message-ID: <9511301605.AA08576@halloran-eldar.lcs.mit.edu> In-Reply-To: <199511301257.MAA18789@neptune.pristine.com.tw> References: <199511301257.MAA18789@neptune.pristine.com.tw>
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<<On Thu, 30 Nov 1995 12:57:11 +0000 (), ywliu <team_fbf@pristine.com.tw> said: > Hi, > My 2.05R kernel keeps issuing messages : > /kernel : in_rtqtimo: adjusted rtq_reallyold to xxxx > where xxxx can be 1066, 710 or some other values. > What is in_rtqtimo and what's all about ? Is this a serious problem ? in_rtqtimo is the routine that periodically cleans the IP per-host information cache (part of the routing table). If, in the process of cleaning, it notices that there are ``too many'' entries in the cache, it cranks down the maximum lifetime of a cache entry and re-expires. The parameters are all tunable, in the net.inet.ip branch of the MIB: net.inet.ip.rtexpire = 3600 # current max lifetime net.inet.ip.rtminexpire = 10 # minimum max lifetime net.inet.ip.rtmaxcache = 128 # how many is ``too many'' -GAWollman -- Garrett A. Wollman | Shashish is simple, it's discreet, it's brief. ... wollman@lcs.mit.edu | Shashish is the bonding of hearts in spite of distance. Opinions not those of| It is a bond more powerful than absence. We like people MIT, LCS, ANA, or NSA| who like Shashish. - Claude McKenzie + Florent Vollant
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