[rbak-nsp] Load Balancing Between Cisco and Redback

[Alireza Soltanian]

Guys
I found this command on my redback:

service load-balance ip layer-3

I think the solution is this, Do you have any document/experience with this
command, or which commands must be used after enabling this service?


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Today's Topics:

   1. Re: Load Balancing Between Cisco and Redback (David Freedman)
   2. Re: Load Balancing Between Cisco and Redback (Marcin Kuczera)


----------------------------------------------------------------------

Message: 1
Date: Mon, 12 Jul 2010 12:57:49 +0100
From: David Freedman <david.freedman at uk.clara.net>
To: redback-nsp at puck.nether.net
Subject: Re: [rbak-nsp] Load Balancing Between Cisco and Redback
Message-ID: <4C3B033D.3010705 at uk.clara.net>
Content-Type: text/plain; charset=ISO-8859-1

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Hash: SHA1

Just checked and I have to agree with Ron, there is a hashing algorithm
and no per-packet support.

David.

Alireza Soltanian wrote:
> Hi
> 
> I am using SEOS 6.5.1.3 on SE-100
> 
> Alireza
> 
> -----Original Message-----
> From: David Freedman [mailto:david.freedman at uk.clara.net] 
> Sent: Sunday, July 11, 2010 3:39 PM
> To: Alireza Soltanian
> Subject: Re: [rbak-nsp] Load Balancing Between Cisco and Redback
> 
> What version of SEOS are you running?
> 
>>From what I understand, ECMP is a relatively new feature (and yes, this
> surprised me as well)
> 
> David.
> 
> 
> On 11/07/2010 11:29, "Alireza Soltanian" <soltanian at gmail.com> wrote:
> 
>> Hi all
>>
>> I have a Cisco 7200 VXR and SE-100. I want to perform Equal Cost
>> load-Balancing between these routers via OSPF or Static route. I tried a
> lot
>> but it seems it does not work. With Investigation the problem, I found
out
>> the Cisco router actually performs the load balancing on both links in
>> output direction and sends the traffic Per-Packet(with configuration
under
>> the interface) but in return, Redback sends the traffic on one link only,
>> although there are two equal active routes in the routing table of
> Redback.
>> If the interfaces are configured per-destination load-sharing on Cisco
> then
>> the traffic is sent via one link and received from another link.
>>
>> Is there any idea about this?
>>
>> Alireza
>>  
>>
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- --

David Freedman
ClaraNET
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Message: 2
Date: Mon, 12 Jul 2010 14:24:22 +0200
From: Marcin Kuczera <marcin at leon.pl>
To: David Freedman <david.freedman at uk.clara.net>
Cc: redback-nsp at puck.nether.net
Subject: Re: [rbak-nsp] Load Balancing Between Cisco and Redback
Message-ID: <4C3B0976.4000404 at leon.pl>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

David Freedman wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Just checked and I have to agree with Ron, there is a hashing algorithm
> and no per-packet support.

I have not seen any new solution based on ASIC that will use per packet 
or round-robin algoryth (that can be dangerous i.e. for RTP streams).

All new solutions use some hasing mechanism.

Cisco 7200 is not based on ASIC so can support round-robin and similar 
per packet algorythms.

Marcin


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