Date: Fri, 18 Jul 1997 15:42:04 -0700 From: "Patrick Burm" <patb@commlitho.com> To: "Robert Shady" <rls@mail.id.net> Cc: <isp@FreeBSD.ORG> Subject: Re: DNS "slow" Message-ID: <199707182241.PAA20858@hub.freebsd.org>
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> > I have a P100 setup as the "primary" nameserver > > for my dial-up users. I am using a PM3 from livingston > > for my access server. The P100 has 48 megs RAM. > > > > My question is...is a P100 fast enough if DNS is all > > this box is really doing? > > That is *WAY* overkill for most nameservers at *most* > ISP's. I wouldn't downgrade, but it should be plenty > if that's all the machine is doing.... > > > Reason I'm asking...some of my users are getting > > "error getting address for xxx.xxxx.xxx" for my > > own mail server! they can try again a second time > > and everything is fine. The ones who complain the > > most are the people with 14.4s. > > They could be timing out. Have you had any problems > looking up dns's locally (Aside from below). Locally the dns seems to be fine (i.e. from ethernet machines or the unix servers themselves) Thanks for your reply....I still need to find out why its happening...people aren't too impressed that it works on the second try :) > > I also notice that a "pmwho" will sometimes not > > resolve reverse addresses either, then a second pull > > will have the names listed. > > The livingston boxes don't do DNS lookups unless they > NEED to, therefor it's fairly normal to notice the > first 'pmwho' not resolve the entries, and the second > one resolve them.. They do 'timeout', so if you wait > awhile, another pmwho will not resolve, but if you run > it again, it will.. Etc.. It's a vicious cycle.
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