[c-nsp] IP Cef - Two T1s - getting full bandwidth download but not upload

[Rodney Dunn]

Configure:

ip cef accounting non per pre load

and do:

sh ip cef <dst ip> internal

see if you see equal cost traffic going out the links.

Rodney


On Tue, Dec 06, 2005 at 01:02:44PM -0500, Bob Fronk wrote:
> All of this is already in the config.
> 
> Bob Fronk, MCSE
> bfronk at davishelliot.com   
>  
>  
>  
> -----Original Message-----
> From: Tom [mailto:tom at ispstuff.com] 
> Sent: Tuesday, December 06, 2005 12:59 PM
> To: cisco-nsp at puck.nether.net
> Cc: Bob Fronk
> Subject: RE: [c-nsp] IP Cef - Two T1s - getting full bandwidth download
> but not upload
> 
> cef works great.  We are doing this with at&t at several locations.  The
> 
> problem is probably at your end if you can't upload faster than 1.5.
> 
> Don't forget to include two default routes (one out each Serial
> interface).
> 
> ip load-sharing per-packet on both Serial interfaces.
> 
> and
> 
> ip cef
> ip cef load-sharing algorithm original
> 
> Tom
> 
> At 10:22 AM 12/6/2005, you wrote:
> >I tried changing to load sharing per-packet, but got no different
> >result.  So you are saying that I will have to change to MLPPP with
> >Sprint, then add the load sharing per-packet?
> >
> >Bob Fronk, MCSE
> >bfronk at davishelliot.com
> >
> >
> >
> >
> >-----Original Message-----
> >From: Jon Lewis [mailto:jlewis at lewis.org]
> >Sent: Tuesday, December 06, 2005 11:17 AM
> >To: Bob Fronk
> >Cc: cisco-nsp at puck.nether.net
> >Subject: Re: [c-nsp] IP Cef - Two T1s - getting full bandwidth download
> >but not upload
> >
> >On Tue, 6 Dec 2005, Bob Fronk wrote:
> >
> > > I have used IP Cef and Load sharing per destination.  When doing
> speed
> > > tests, I am getting nearly 3mbps download, but only 1.5 upload.  It
> is
> > > as if there is only one T1 in use for upload.
> > >
> > > What am I missing?
> >
> >Per destination load sharing will give a max 1.5mbps to any single
> >session.  If you want 3mbps, you need per-packet or MLPPP.  For MLPPP,
> >you'll have to coordinate the change with Sprint, if they're willing to
> >do
> >MLPPP.
> >
> >
> >----------------------------------------------------------------------
> >   Jon Lewis                   |  I route
> >   Senior Network Engineer     |  therefore you are
> >   Atlantic Net                |
> >_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
> >
> >_______________________________________________
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> >https://puck.nether.net/mailman/listinfo/cisco-nsp
> >archive at http://puck.nether.net/pipermail/cisco-nsp/
> 
> 
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