Re: Load Balancing... [7:14865]

2001-08-05 Thread Makarand Yerawadekar

How about Inverse Mux?

Santosh Koshy wrote:

 Hi All,

 I have a slight dilemma to which I cannot seem to find a definitive
 answer.. We have 4 circuits going from Canada to the US...

 Is it necessary to terminate all the circuits into one router to do
 per-packet load balancing.

 --
 Santosh Koshy
 WAN Administrator




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http://www.groupstudy.com/form/read.php?f=7i=14941t=14865
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Re: Load Balancing... [7:14865]

2001-08-05 Thread Farhan Ahmed

- Original Message -
From: Santosh Koshy 
To: 
Sent: Sunday, August 05, 2001 4:06 AM
Subject: Re: Load Balancing... [7:14865]


 Peter,

 Here is the problem i am trying to solve

 - I am located in Canada
 - We have a data center in US. All our users use SAP, Web, FTP, and other
 such applications across the border
 - We currently have one T1 circuit running to the US
 - After monitoring Traffic flow and Utilization we have come to the
 conclusion that the bandwisth is not adequate, and that we have no
 redundancy
 - We have decided to go with 4 links (from 2 different vendors)
 - We use OSPF in Canada.
 - All unknown routes (0.0.0.0 0.0.0.0) are pushed to the US router

 I was thinking of doing the following
 - Terminating all of these links into one router, and use per-packet
load
 balancing to push these packets across the border
 - Use the following config
 ! disable fast switching
 no ip route-cache
 no ip mroute-cache
 ! Use route statements to do per-packet load balancing
 ip route 0.0.0.0 0.0.0.0 link1
 ip route 0.0.0.0 0.0.0.0 link2
 ip route 0.0.0.0 0.0.0.0 link3
 ip route 0.0.0.0 0.0.0.0 link4

 My only worry is that with the above solution; I will be acheiving
 per-packet load balancing, but at the cost of a single point of failure
 (the Router)

 All suggestions are welcome... Thanks a lot guys,
 Santosh Koshy


 Peter Van Oene  wrote in message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  Since Howard is in London, allow me to ask What problem are you trying
to
  solve?
 
 
  *** REPLY SEPARATOR  ***
 
  On 8/3/2001 at 10:07 PM Santosh Koshy wrote:
 
  Hi All,
  
  I have a slight dilemma to which I cannot seem to find a definitive
  answer.. We have 4 circuits going from Canada to the US...
  
  Is it necessary to terminate all the circuits into one router to do
  per-packet load balancing.
  
  --
  Santosh Koshy
  WAN Administrator




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=14966t=14865
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Re: Load Balancing... [7:14865]

2001-08-04 Thread Peter Van Oene

Since Howard is in London, allow me to ask What problem are you trying to
solve?


*** REPLY SEPARATOR  ***

On 8/3/2001 at 10:07 PM Santosh Koshy wrote:

Hi All,

I have a slight dilemma to which I cannot seem to find a definitive
answer.. We have 4 circuits going from Canada to the US...

Is it necessary to terminate all the circuits into one router to do
per-packet load balancing.

--
Santosh Koshy
WAN Administrator




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=14911t=14865
--
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Re: Load Balancing... [7:14865]

2001-08-04 Thread Santosh Koshy

Peter,

Here is the problem i am trying to solve

- I am located in Canada
- We have a data center in US. All our users use SAP, Web, FTP, and other
such applications across the border
- We currently have one T1 circuit running to the US
- After monitoring Traffic flow and Utilization we have come to the
conclusion that the bandwisth is not adequate, and that we have no
redundancy
- We have decided to go with 4 links (from 2 different vendors)
- We use OSPF in Canada.
- All unknown routes (0.0.0.0 0.0.0.0) are pushed to the US router

I was thinking of doing the following
- Terminating all of these links into one router, and use per-packet load
balancing to push these packets across the border
- Use the following config
! disable fast switching
no ip route-cache
no ip mroute-cache
! Use route statements to do per-packet load balancing
ip route 0.0.0.0 0.0.0.0 link1
ip route 0.0.0.0 0.0.0.0 link2
ip route 0.0.0.0 0.0.0.0 link3
ip route 0.0.0.0 0.0.0.0 link4

My only worry is that with the above solution; I will be acheiving
per-packet load balancing, but at the cost of a single point of failure
(the Router)

All suggestions are welcome... Thanks a lot guys,
Santosh Koshy


Peter Van Oene  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Since Howard is in London, allow me to ask What problem are you trying to
 solve?


 *** REPLY SEPARATOR  ***

 On 8/3/2001 at 10:07 PM Santosh Koshy wrote:

 Hi All,
 
 I have a slight dilemma to which I cannot seem to find a definitive
 answer.. We have 4 circuits going from Canada to the US...
 
 Is it necessary to terminate all the circuits into one router to do
 per-packet load balancing.
 
 --
 Santosh Koshy
 WAN Administrator




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=14920t=14865
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Re: Load Balancing... [7:14865]

2001-08-04 Thread Tony Medeiros

Be prepared to take a SERIOUS cpu hit if you do per packet load balancing
like that.  I personally would do LFI setup with multilink PPP instead.

See link and look at the config.
http://www.cisco.com/warp/public/788/voice-qos/voip-mlppp.html#subfirstone

Tony M.
#6172

- Original Message -
From: Santosh Koshy 
To: 
Sent: Saturday, August 04, 2001 5:06 PM
Subject: Re: Load Balancing... [7:14865]


 Peter,

 Here is the problem i am trying to solve

 - I am located in Canada
 - We have a data center in US. All our users use SAP, Web, FTP, and other
 such applications across the border
 - We currently have one T1 circuit running to the US
 - After monitoring Traffic flow and Utilization we have come to the
 conclusion that the bandwisth is not adequate, and that we have no
 redundancy
 - We have decided to go with 4 links (from 2 different vendors)
 - We use OSPF in Canada.
 - All unknown routes (0.0.0.0 0.0.0.0) are pushed to the US router

 I was thinking of doing the following
 - Terminating all of these links into one router, and use per-packet
load
 balancing to push these packets across the border
 - Use the following config
 ! disable fast switching
 no ip route-cache
 no ip mroute-cache
 ! Use route statements to do per-packet load balancing
 ip route 0.0.0.0 0.0.0.0 link1
 ip route 0.0.0.0 0.0.0.0 link2
 ip route 0.0.0.0 0.0.0.0 link3
 ip route 0.0.0.0 0.0.0.0 link4

 My only worry is that with the above solution; I will be acheiving
 per-packet load balancing, but at the cost of a single point of failure
 (the Router)

 All suggestions are welcome... Thanks a lot guys,
 Santosh Koshy


 Peter Van Oene  wrote in message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  Since Howard is in London, allow me to ask What problem are you trying
to
  solve?
 
 
  *** REPLY SEPARATOR  ***
 
  On 8/3/2001 at 10:07 PM Santosh Koshy wrote:
 
  Hi All,
  
  I have a slight dilemma to which I cannot seem to find a definitive
  answer.. We have 4 circuits going from Canada to the US...
  
  Is it necessary to terminate all the circuits into one router to do
  per-packet load balancing.
  
  --
  Santosh Koshy
  WAN Administrator




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=14921t=14865
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RE: Load Balancing... [7:14865]

2001-08-04 Thread Leigh Anne Chisholm

Since you're concerned about redundancy, have you verified that the two
providers you have selected are using different physical media to transport
your data to the US?  Fiber seems to be grossly incestuous up here with
telcos leasing bandwidth to other telcos.  The redundancy you think you're
getting may not be as redundant as you think.  Something else to check on in
your quest for a solution...

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Santosh Koshy
Sent: Saturday, August 04, 2001 6:07 PM
To: [EMAIL PROTECTED]
Subject: Re: Load Balancing... [7:14865]


Peter,

Here is the problem i am trying to solve

- I am located in Canada
- We have a data center in US. All our users use SAP, Web, FTP, and other
such applications across the border
- We currently have one T1 circuit running to the US
- After monitoring Traffic flow and Utilization we have come to the
conclusion that the bandwisth is not adequate, and that we have no
redundancy
- We have decided to go with 4 links (from 2 different vendors)
- We use OSPF in Canada.
- All unknown routes (0.0.0.0 0.0.0.0) are pushed to the US router

I was thinking of doing the following
- Terminating all of these links into one router, and use per-packet load
balancing to push these packets across the border
- Use the following config
! disable fast switching
no ip route-cache
no ip mroute-cache
! Use route statements to do per-packet load balancing
ip route 0.0.0.0 0.0.0.0 link1
ip route 0.0.0.0 0.0.0.0 link2
ip route 0.0.0.0 0.0.0.0 link3
ip route 0.0.0.0 0.0.0.0 link4

My only worry is that with the above solution; I will be acheiving
per-packet load balancing, but at the cost of a single point of failure
(the Router)

All suggestions are welcome... Thanks a lot guys,
Santosh Koshy


Peter Van Oene  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Since Howard is in London, allow me to ask What problem are you trying to
 solve?


 *** REPLY SEPARATOR  ***

 On 8/3/2001 at 10:07 PM Santosh Koshy wrote:

 Hi All,
 
 I have a slight dilemma to which I cannot seem to find a definitive
 answer.. We have 4 circuits going from Canada to the US...
 
 Is it necessary to terminate all the circuits into one router to do
 per-packet load balancing.
 
 --
 Santosh Koshy
 WAN Administrator




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=14922t=14865
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Load Balancing... [7:14865]

2001-08-03 Thread Santosh Koshy

Hi All,

I have a slight dilemma to which I cannot seem to find a definitive
answer.. We have 4 circuits going from Canada to the US...

Is it necessary to terminate all the circuits into one router to do
per-packet load balancing.

--
Santosh Koshy
WAN Administrator




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=14865t=14865
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Re: Load Balancing... [7:14865]

2001-08-03 Thread nrf

You could also, I suppose, make use of Multilink Multichassis PPP.  But that
is almost certainly overkill.



Chuck Larrieu  wrote in message
news:[EMAIL PROTECTED]...
 yes.

 well, let me qualify that by saying you could terminate on four routers,
and
 then have those four connect to a single router further upstream, which
 would per packet load share to each of  those four routers. or on two
 routers, and so on.

 eventually, there has to be one source router that shows four equal cost
 routes, and load shares accordingly.

 HTH

 Chuck

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
 Santosh Koshy
 Sent: Friday, August 03, 2001 7:07 PM
 To: [EMAIL PROTECTED]
 Subject: Load Balancing... [7:14865]


 Hi All,

 I have a slight dilemma to which I cannot seem to find a definitive
 answer.. We have 4 circuits going from Canada to the US...

 Is it necessary to terminate all the circuits into one router to do
 per-packet load balancing.

 --
 Santosh Koshy
 WAN Administrator




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=14881t=14865
--
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]