[olug] dhcpcd vs. dhclient

[Brian Roberson]

when you say "the name no longer resolves" what exactly are you testing this
with? ( nslookup? web browser, what? )

BTW.... If you have lynx, it would be as simple as
`lynx -dump -auth=username:password https://users.olug.org/ddns/ `


----- Original Message -----
From: "Jonathan Warren" <jonwarren at cox.net>
To: <olug at olug.org>
Sent: Sunday, March 31, 2002 11:56 AM
Subject: Re: [olug] dhcpcd vs. dhclient


> I can use thechunk.m.olug.org for about 2 minutes and then the name no
longer resolves unless I log into users.olug.org.  Has anyone else seen
this?  Is there a way to fix it?  Has anyone written a script to update
dyndns?  Something that automatically pinged the server once a day and
updated my ip would be nice.
>
> -Jon
>
> On Sat, Mar 30, 2002 at 07:40:06PM -0600, Brian Roberson wrote:
> > > during the @home -> cox.net cut over.  dyndns.org is a nice way to put
a
> > > name to a potentially changing IP also.  I run a python script via
cron
> > that
> > > checks my external IP on the linksys and updates dyndns as needed.
Very
> > > smooth.
> >
> >
> > Dont forget olug dyndns service! ( login.m.olug.org )
> >
> > >
> > > Considering that the linksys let's me boot BeOS, *nix and doze with
out
> > the
> > > hassle it was well worth the 129 I paid for the 4 port model.  I've
seen
> > the
> > > single port for $79 recently.  I've been considering upgrading to the
> > > linksys vpn model.  Anyone else using it?
> >
> > I have the 4port router/Wireless AP and it works very well! ( BEFW11S4 )
> >
> >
> > >
> > > -Jeff
> > >
> > > ----- Original Message -----
> > > From: "Phil Brutsche" <phil at giedi.obix.com>
> > > To: <olug at olug.org>
> > > Sent: Saturday, March 30, 2002 12:12 PM
> > > Subject: Re: [olug] dhcpcd vs. dhclient
> > >
> > >
> > > > A long time ago, in a galaxy far, far way, someone said...
> > > >
> > > > > I don't know if anyone else has had trouble with Cox changing your
ip
> > > > > address several times a day lately, but I think I've found an
answer
> > for
> > > > > it. This is mostly referring to a Redhat 7.2 system.
> > > > >
> > > > > By default Redhat uses dhcpcd, which releases it's IP and requests
a
> > new
> > > > > one when the lease expires.  This may be just coincidemce, but it
> > looks
> > > > > like Cox's dhcp server holds an IP for a while after it's been
> > released
> > > > > and you get a new one, instead of your old one.  For some reason
> > dhcpcd
> > > > > also gets the domain name screwed up too.  It should be
> > "om.om.cox.net"
> > > > > (according to reverse DNS lookups), but dhcpcd gets "om.cox.net".
Oh
> > > > > well...
> > > > >
> > > > > I've tested with ISC's dhclient and it simply sends a renew
request
> > for
> > > > > your current address when the lease expires.  This seems to behave
> > much
> > > > > better with Cox.
> > > >
> > > > This behavior isn't limited to dhcpcd - several firewall devices
(like
> > the
> > > > Linksys "Cable modem/DSL router") do similar things in their DHCP
> > clients.
> > > >
> > > > --
> > > >
> > > > Phil
> > > >
> > > >
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