From: Craig Dorry (chdorry@yahoo.com)
Date: Thu Feb 20 2003 - 10:46:54 GMT-3
As of 12.2(2)T the command maximum-paths ibgp x was
introduced which allows multiple iBGP paths.
Also if you are using MPLS, 12.2(4)T introduced the
command maximum-paths eibgp x (where you load
balance between external and internal BGP paths).
--- Paul Jin <PJin@EIGRP.Org> wrote:
> Hi all,
>
> I thought the router's switching mechanism (like
> CEF) is what actually does
> the packet load sharing (per dest or packet) as long
> as the router has
> installed multiple
> equal cost routes to those destination in the
> routing table.
>
> And by default IGP such as ospf, etc will install up
> to 4 equal routes (6
> max) or even static routes can be load shared,
> and for eBGP routes, the default is one, however you
> can install up to
> 6 equal routes by configuring it to do so with
> max-path command.
>
> I believe iBGP routes are the ones that can install
> one and only one route
> in the route table no matter what (at least on the
> standard code).
>
> It has been awhile since I checked, so someone let
> me know if I am off on
> this one.
>
> As far as the difference between the two, I think
> people use those 2 terms
> generally as the same thing. However you would want
> to get the definition
> straight with the person you are speaking to.
>
> I have see examples where people used the term load
> share to mean things
> like CEF load sharing, but the same people with use
> the term load balance to
> mean things like MLPPP where the multiple
> paths/pipes are seen as one big
> logical link.
>
> thanks,
> Paul
>
>
>
>
>
> -----Original Message-----
> From: Albert Lu [mailto:albert_lu@optushome.com.au]
> Sent: Tuesday, February 18, 2003 9:10 PM
> To: 'Gary Duncanson'; ccielab@groupstudy.com
> Subject: RE: BGP load sharing or load balancing
>
> Hi,
>
> Depends on your definition of load sharing and load
> balancing. BGP allows
> for redundancy and traffic engineering going in and
> out of the AS. You can
> balance your traffic out your links by manipulating
> localpref and prepend
> based on data collected of how much traffic is being
> pumped out for which AS
> destination.
>
> BGP does not do per packet load sharing like OSPF or
> EIGRP if that was what
> your looking for.
>
> Albert
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> Gary Duncanson
> Sent: Wednesday, February 19, 2003 10:07 AM
> To: ccielab@groupstudy.com
> Subject: BGP load sharing or load balancing
>
>
> Could someone please expand as to whether BGP
> provides load sharing or load
> balancing?
>
> Thanks
> Gary
This archive was generated by hypermail 2.1.4 : Sat Mar 01 2003 - 11:06:30 GMT-3