[c-nsp] ECMP v Link Aggregation ofr MPLS

[Bill Blackford]

We used LAG bundles on all backbone links as well as peering PNI's. The
load balancing hashes were very effective.


On Thu, Mar 13, 2014 at 4:29 PM, Keegan Holley <no.spam at comcast.net> wrote:

> It depends on your platform, traffic and code versions.  Aggregated links
> and MLAG are the better option since they are simpler.  However they are
> more susceptible to bugs on certain platforms and traffic spread of course
> depends what kind of traffic flows will traversing the links.  It's also
> easier to remove links from service with ECMP.  If you're a transit AS you
> probably have enough diversity to ensure an even spread.  All things
> considered I'd choose aggregated links as well.
>
> On Mar 13, 2014, at 4:28 PM, Ivan <cisco-nsp at itpro.co.nz> wrote:
>
> > So we are crossing the bridge to >10Gbps for some MPLS core links.  I am
> > trying to work out if it is better to use aggregated links or ECMP.  If
> > anyone has any experience or recommendation it would be much appreciated.
> >
> > Thanks
> >
> > Ivan
> >
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-- 
Bill Blackford

Logged into reality and abusing my sudo privileges.....