[Cialug] Network slowness

Tom Sellers tomsellers2001 at yahoo.com
Thu Feb 5 08:52:55 CST 2009 

This is at work connected through a 10 mb hub to vendor only lan.

resolve.conf
-------------
# generated by NetworkManager, do not edit!

search cs.ball.com


nameserver 162.18.124.52
nameserver 162.18.124.54

requested response info
-------------------------
tsellers at bluto:~$ time nslookup www.yahoo.com
Server:         162.18.124.52
Address:        162.18.124.52#53

Non-authoritative answer:
www.yahoo.com   canonical name = www.yahoo-ht3.akadns.net.
Name:   www.yahoo-ht3.akadns.net
Address: 209.191.93.52


real    0m0.280s
user    0m0.008s
sys     0m0.000s
tsellers at bluto:~$ time nslookup www.google.com
Server:         162.18.124.52
Address:        162.18.124.52#53

Non-authoritative answer:
www.google.com  canonical name = www.l.google.com.
Name:   www.l.google.com
Address: 64.233.169.103
Name:   www.l.google.com
Address: 64.233.169.104
Name:   www.l.google.com
Address: 64.233.169.147
Name:   www.l.google.com
Address: 64.233.169.99


real    0m0.083s
user    0m0.012s
sys     0m0.008s
tsellers at bluto:~$




--- On Wed, 2/4/09, Tom Sellers <tomsellers2001 at yahoo.com> wrote:

> From: Tom Sellers <tomsellers2001 at yahoo.com>
> Subject: Re: [Cialug] Network slowness
> To: "Central Iowa Linux Users Group" <cialug at cialug.org>
> Date: Wednesday, February 4, 2009, 11:40 PM
> This is at home connected directly to my cable modem with an
> ethernet cable from the linux laptop.
> 
> resolve.conf
> --------------
> 
> search globalccs.net
> nameserver 69.63.8.74
> nameserver 69.63.8.73
> 
> requested responses
> ---------------------
> 
> 
> bluto:/home/tsellers# time nslookup www.google.com
> Server:         69.63.8.73
> Address:        69.63.8.73#53
> 
> Non-authoritative answer:
> www.google.com  canonical name = www.l.google.com.
> Name:   www.l.google.com
> Address: 74.125.95.103
> Name:   www.l.google.com
> Address: 74.125.95.104
> Name:   www.l.google.com
> Address: 74.125.95.147
> Name:   www.l.google.com
> Address: 74.125.95.99
> 
> 
> real    0m1.075s
> user    0m0.008s
> sys     0m0.016s
> bluto:/home/tsellers# time nslookup www.yahoo.com
> Server:         69.63.8.73
> Address:        69.63.8.73#53
> 
> Non-authoritative answer:
> www.yahoo.com   canonical name = www.yahoo-ht3.akadns.net.
> Name:   www.yahoo-ht3.akadns.net
> Address: 209.191.93.52
> 
> 
> real    0m1.336s
> user    0m0.008s
> sys     0m0.008s
> bluto:/home/tsellers#
> 
> A ping to www.yahoo.com takes about 4.5 to 5 seconds to
> respond.
> 
> 
> --- On Wed, 2/4/09, Jeff Chapin
> <chapinjeff at gmail.com> wrote:
> 
> > From: Jeff Chapin <chapinjeff at gmail.com>
> > Subject: Re: [Cialug] Network slowness
> > To: "Central Iowa Linux Users Group"
> <cialug at cialug.org>
> > Date: Wednesday, February 4, 2009, 1:22 PM
> > I am going to maintain that it sounds like a DNS
> issue.
> > 
> > What does your /etc/resolv.conf file have in it (at
> both
> > locations)? A
> > listing of the nameservers your windows machine would
> be
> > helpful as well
> > for comparison.
> > 
> > Please run the following commands while at home, and
> > provide the
> > answers, as well:
> > # time nslookup www.yahoo.com
> > # time nslookup www.google.com
> > 
> > Thanks,
> > 
> > Jeff
> > 
> > 
> > Tom Sellers wrote:
> > > OK  I brought my laptop to work today and
> connected it
> > to our vendor only lan that allows only network access
> > outside the plant to the internet etc. (No connection
> to our
> > local network)    
> > >
> > > What do you know, the laptop responds much faster
> here
> > and I am connected through a 10 mb hub.  
> > >
> > > I guess that either points to my home network or
> my
> > internet provider as the source of this issue.  Funny
> that
> > it only seems to affect this linux machine and not my
> > Windows machines.  
> > >
> > > Suggestions?
> > >
> > >
> > >
> > >
> > > --- On Tue, 2/3/09, Tom Sellers
> > <tomsellers2001 at yahoo.com> wrote:
> > >
> > >   
> > >> From: Tom Sellers
> <tomsellers2001 at yahoo.com>
> > >> Subject: Re: [Cialug] Network slowness
> > >> To: "Central Iowa Linux Users
> Group"
> > <cialug at cialug.org>
> > >> Date: Tuesday, February 3, 2009, 4:57 PM
> > >> No.  I have a Motorola Surfboard cable modem
> and a
> > Linksys G
> > >> series wireless router/AP.
> > >>
> > >>
> > >> --- On Tue, 2/3/09, Anthony Jeffries
> > >> <ajeffri at gmail.com> wrote:
> > >>
> > >>     
> > >>> From: Anthony Jeffries
> > <ajeffri at gmail.com>
> > >>> Subject: Re: [Cialug] Network slowness
> > >>> To: "Central Iowa Linux Users
> Group"
> > >>>       
> > >> <cialug at cialug.org>
> > >>     
> > >>> Date: Tuesday, February 3, 2009, 12:56 PM
> > >>> Just out of curiousity, does the OP have
> an
> > Actiontec
> > >>>       
> > >> DSL
> > >>     
> > >>> modem? I had one
> > >>> of those that insisted on listing itself
> as
> > the first
> > >>> nameserver and it gave
> > >>> my Linux machines a several second delay
> > resolving
> > >>> hostnames.
> > >>>
> > >>> On Tue, Feb 3, 2009 at 12:07 PM, Colin
> Burnett
> > >>> <cmlburnett at gmail.com> wrote:
> > >>>
> > >>>       
> > >>>> On Tue, Feb 3, 2009 at 11:33 AM, Tom
> > Sellers
> > >>>>         
> > >>> <tomsellers2001 at yahoo.com>
> > >>>       
> > >>>> wrote:
> > >>>>         
> > >>>>> Aren't the DNS settings
> supplied
> > by
> > >>>>>           
> > >> DHCP?  If
> > >>     
> > >>> I go into
> > >>>       
> > >>>> Desktop/Administration/Networking and
> > attempt to
> > >>>>         
> > >>> change the DNS settings
> > >>>       
> > >>>> they get set back to what they are
> > originally.
> > >>>>
> > >>>> The -R flag to dhcpcd used to prevent
> it
> > from
> > >>>>         
> > >> updating
> > >>     
> > >>> resolv.conf but
> > >>>       
> > >>>> that seems to no longer be there (in
> > 4.0.2, maybe
> > >>>>         
> > >> that
> > >>     
> > >>> was under 3.x).
> > >>>       
> > >>>>  Looks like 4.x wants `-C
> resolv.conf` to
> > disable
> > >>>>         
> > >>> that.
> > >>>       
> > >>>> So, yes, they generally are updated
> by
> > DHCP but
> > >>>>         
> > >> you
> > >>     
> > >>> can disable that
> > >>>       
> > >>>> in some fashion.
> > >>>>
> > >>>>
> > >>>> Colin
> > >>>>
> > _______________________________________________
> > >>>> Cialug mailing list
> > >>>> Cialug at cialug.org
> > >>>>
> http://cialug.org/mailman/listinfo/cialug
> > >>>>
> > >>>>         
> > >>>
> > >>> -- 
> > >>> Tony
> > >>> Mike Myers - "My theory is that all
> of
> > Scottish
> > >>> cuisine is based on a dare."
> > >>>
> > _______________________________________________
> > >>> Cialug mailing list
> > >>> Cialug at cialug.org
> > >>> http://cialug.org/mailman/listinfo/cialug
> > >>>       
> > >>       
> > >>
> _______________________________________________
> > >> Cialug mailing list
> > >> Cialug at cialug.org
> > >> http://cialug.org/mailman/listinfo/cialug
> > >>     
> > >
> > >
> > >       
> > > _______________________________________________
> > > Cialug mailing list
> > > Cialug at cialug.org
> > > http://cialug.org/mailman/listinfo/cialug
> > >   
> > 
> > _______________________________________________
> > Cialug mailing list
> > Cialug at cialug.org
> > http://cialug.org/mailman/listinfo/cialug
> 
> 
>       
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