Re: 3-Line MLPPP DSL on BSD - MTU/MRRU/MRU??

2010-04-22 Thread Bruce Simpson 

On 04/22/10 18:14, Carrick, David wrote:

The config works - just don't think it is optimal. I structured it based on the 
mpd5.conf.sample and some other configurations stolen from dslreports.com.

I am looking more for advised MRU/MTU, and MRRU values for the links and the 
bundle as a whole as I do not believe my settings are optimal. I have tested a 
2link configuration with similar values and obtained very, very fast speeds. 
Adding the 3rd link with the settings below does improve the speed, but I do 
not feel it is as fast as it should be.
   


Tried using hping or other tools to manually discover path MTU in both 
directions?


Yes many DSLAMs clip it below 1500 due to ATM and PPPoA framing overhead.
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RE: 3-Line MLPPP DSL on BSD - MTU/MRRU/MRU??

2010-04-22 Thread Carrick, David 
The config works - just don't think it is optimal. I structured it based on the 
mpd5.conf.sample and some other configurations stolen from dslreports.com.

I am looking more for advised MRU/MTU, and MRRU values for the links and the 
bundle as a whole as I do not believe my settings are optimal. I have tested a 
2link configuration with similar values and obtained very, very fast speeds. 
Adding the 3rd link with the settings below does improve the speed, but I do 
not feel it is as fast as it should be. 

Repsectfully, 

David Carrick
AIX Services | Spectra Energy
519.436.4600 x2464 (desk)
800.571.8446 x2464 (toll free) 
519.437.7194 (cell)

-Original Message-
From: Julian Elischer [mailto:julianelisc...@gmail.com] On Behalf Of Julian 
Elischer
Sent: April-22-10 12:12 PM
To: Carrick, David
Cc: freebsd-net@freebsd.org
Subject: Re: 3-Line MLPPP DSL on BSD - MTU/MRRU/MRU??

On 4/22/10 8:35 AM, Carrick, David wrote:
> Hi Guys,
>
>  I have posted this question in a few different forums but I have not
> had much luck with a response and I'm hoping someone can help me
> out. I recently upgraded to a triple-5meg DSL service setup with
> MLPPP here in Ontario Canada through a provider called Teksavvy. I
> chose FreeBSD as my o/s of choice and I'm using MPD5.5 to bond the
> connections. I believe they are using Juniper equipment on their
> end, not sure if
 > matters.
>
> I have been using Linux for 15 years, and am an AIX Infrastructure
> Analyst by trade, but I am not very familiar with more advanced
> networking terms and technologies, and I am pretty new to FreeBSD.
>
> I was wondering if someone could help me with the optimal values
> for my mpd.conf file - Max Transmit units, Max recieve unit, all
> that stuff. Here is what I've got going so far... Please note I am
> not on the freebsd-net mailing list so if you could CC me on the
> responses that would be great!


Not my area of best knowledge but a couple of points..
Use 'load' to abstract away common items from the links
Try not to reference things until after they are defined..

is this working? and if not, what happens?
(keep list on Cc please)


# How I would have structured it:
# just off the top of my head.. untested and probably with errors.


default:
load DSL

common:
set link max-redial 0
set link keep-alive 10 60
set pppoe service "teksavvy"
set link enable multilink
set link enable shortseq
set link disable protocomp
set link mrru 1500
#   set link mru 1500
set link mtu 1492
set link bandwidth 5056000
set link action bundle B1

L1:
create link static L1 pppoe
set auth authname x...@wiredhighspeed.com
set auth password xxx
set pppoe iface fxp1
load common
open

L2:
create link static L2 pppoe
set auth authname x...@wiredhighspeed.com
set auth password xxx
set pppoe iface fxp2
load common
open

L3:
create link static L3 pppoe
set auth authname x...@wiredhighspeed.com
set auth password xxx
set pppoe iface fxp3
load common
open

DSL:
create bundle static B1
set iface route default
set ipcp ranges 0.0.0.0/0 0.0.0.0/0
set ipcp enable req-pri-dns
set ipcp enable req-sec-dns
set ipcp disable vjcomp
set bundle disable round-robin
set bundle disable bw-manage
set iface mtu 1492
set iface disable on-demand
set iface enable tcpmssfix
load L1
load L2
load L3
set bundle links L1 L2 L3

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Re: 3-Line MLPPP DSL on BSD - MTU/MRRU/MRU??

2010-04-22 Thread Julian Elischer 

On 4/22/10 8:35 AM, Carrick, David wrote:

Hi Guys,

 I have posted this question in a few different forums but I have not
had much luck with a response and I'm hoping someone can help me
out. I recently upgraded to a triple-5meg DSL service setup with
MLPPP here in Ontario Canada through a provider called Teksavvy. I
chose FreeBSD as my o/s of choice and I'm using MPD5.5 to bond the
connections. I believe they are using Juniper equipment on their
end, not sure if

> matters.


I have been using Linux for 15 years, and am an AIX Infrastructure
Analyst by trade, but I am not very familiar with more advanced
networking terms and technologies, and I am pretty new to FreeBSD.

I was wondering if someone could help me with the optimal values
for my mpd.conf file - Max Transmit units, Max recieve unit, all
that stuff. Here is what I've got going so far... Please note I am
not on the freebsd-net mailing list so if you could CC me on the
responses that would be great!



Not my area of best knowledge but a couple of points..
Use 'load' to abstract away common items from the links
Try not to reference things until after they are defined..

is this working? and if not, what happens?
(keep list on Cc please)


# How I would have structured it:
# just off the top of my head.. untested and probably with errors.


default:
load DSL

common:
set link max-redial 0
set link keep-alive 10 60
set pppoe service "teksavvy"
set link enable multilink
set link enable shortseq
set link disable protocomp
set link mrru 1500
#   set link mru 1500
set link mtu 1492
set link bandwidth 5056000
set link action bundle B1

L1:
create link static L1 pppoe
set auth authname x...@wiredhighspeed.com
set auth password xxx
set pppoe iface fxp1
load common
open

L2:
create link static L2 pppoe
set auth authname x...@wiredhighspeed.com
set auth password xxx
set pppoe iface fxp2
load common
open

L3:
create link static L3 pppoe
set auth authname x...@wiredhighspeed.com
set auth password xxx
set pppoe iface fxp3
load common
open

DSL:
create bundle static B1
set iface route default
set ipcp ranges 0.0.0.0/0 0.0.0.0/0
set ipcp enable req-pri-dns
set ipcp enable req-sec-dns
set ipcp disable vjcomp
set bundle disable round-robin
set bundle disable bw-manage
set iface mtu 1492
set iface disable on-demand
set iface enable tcpmssfix
load L1
load L2
load L3
set bundle links L1 L2 L3
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3-Line MLPPP DSL on BSD - MTU/MRRU/MRU??

2010-04-22 Thread Carrick, David 
Hi Guys,

I have posted this question in a few different forums but I have not had much 
luck with a response and I'm hoping someone can help me out. I recently 
upgraded to a triple-5meg DSL service setup with MLPPP here in Ontario Canada 
through a provider called Teksavvy. I chose FreeBSD as my o/s of choice and I'm 
using MPD5.5 to bond the connections. I believe they are using Juniper 
equipment on their end, not sure if it matters.

I have been using Linux for 15 years, and am an AIX Infrastructure Analyst by 
trade, but I am not very familiar with more advanced networking terms and 
technologies, and I am pretty new to FreeBSD.

I was wondering if someone could help me with the optimal values for my 
mpd.conf file - Max Transmit units, Max recieve unit, all that stuff. Here is 
what I've got going so far... Please note I am not on the freebsd-net mailing 
list so if you could CC me on the responses that would be great!

default:

load DSL

DSL:
create bundle static B1
set iface route default
set ipcp ranges 0.0.0.0/0 0.0.0.0/0
set ipcp enable req-pri-dns
set ipcp enable req-sec-dns
set ipcp disable vjcomp

set bundle disable round-robin
set bundle disable bw-manage
set bundle links L1 L2 L3
set iface mtu 1492
set iface disable on-demand
set iface enable tcpmssfix
create link static L1 pppoe
set auth authname x...@wiredhighspeed.com
set auth password xxx
set link max-redial 0
set link keep-alive 10 60
set pppoe iface fxp1
set pppoe service "teksavvy"
set link enable multilink
set link enable shortseq
set link disable protocomp
set link mrru 1500
# set link mru 1500
set link mtu 1492
set link bandwidth 5056000
set link action bundle B1
open

create link static L2 pppoe
set auth authname x...@wiredhighspeed.com
set auth password xxx
set link max-redial 0
set link keep-alive 10 60
set pppoe iface fxp2
set pppoe service "teksavvy"
set link enable multilink
set link enable shortseq
set link disable protocomp
set link mrru 1500
# set link mru 1500
set link mtu 1492
set link bandwidth 5056000
set link action bundle B1
open

create link static L3 pppoe
set auth authname x...@wiredhighspeed.com
set auth password xxx
set link max-redial 0
set link keep-alive 10 60
set pppoe iface fxp3
set pppoe service "teksavvy"
set link enable multilink
set link enable shortseq
set link disable protocomp
set link mrru 1500
# set link mru 1500
set link mtu 1492
set link bandwidth 5056000
set link action bundle B1
open



I can't really recall why I commented the MRU values - I think they defaulted 
to 1500 anyway. I adapted the config from a fast 2 Line setup posted in another 
forum around here. When I tested it as two lines, it was definitely "as fast as 
it could go". Not as impressed with the 3 line setup.

Any advice or direction on this would be greatly appreciated.

Thanks

David Carrick
Senior AIX Infrastructure Analyst
AIX Services | Spectra Energy
519.436.4600 x2464 (desk)
800.571.8446 x2464 (toll free)
519.437.7194 (cell)
dcarr...@uniongas.com
For first call resolution please contact the Spectra Energy Enterprise IT Help 
Desk @ local  or toll free @ 1-866-252-8881




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