[j-nsp] maximum BGP multipath ECMP supported on M7i or M10i routers?

[Krasimir Avramski]

Hi,

Two types of balancing supported: per prefix (bgp multipath) and per flow
(ECMP next-hop including bgp multipath)
Up to 64 ECMP next-hops on MX(DPC, MPC), M120, M10i(Enhanced CFEB), M320(
FPC dependent), T(FPC dependent) for RSVP, LDP, ISIS(ipv4/6), OSPF(ipv4/6),
IBGP(ipv4/6), EBGP(ipv4/6).
Symmetric load balancing<http://www.juniper.net/techpubs/en_US/junos12.2/topics/usage-guidelines/interfaces-configuring-symmetrical-load-balancing-lag-on-mx-routers.html>over
802.3ad link aggregation groups (LAGs) on MX routers with MPCs.

Best Regards,
Krasi



On 31 March 2014 22:14, Yucong Sun <sunyucong at gmail.com> wrote:

> Do anyone have in-sight on this?
>
> More over, I guess my quest is to find a device that support
>
> 1) per flow hashing with as many as ECMP route as possible.  (not sure how
> many ECMP route is supported)
> 2) consistent hashing (existing flow don't break if route is added or
> removed)   (juniper doc didn't mention this)
>
> Your opinion/experience on this is greatly appreciated.
>
> Thanks.
>
>
> On Fri, Mar 28, 2014 at 12:44 PM, Yucong Sun <sunyucong at gmail.com> wrote:
>
> > Hi,
> >
> > Does anyone know how many BGP multipath ECMP routes does a M7i/M10i
> > router support? 16? 32 ? 64?
> >
> > I found this document :
> >
> >
> >
> http://www.juniper.net/techpubs/en_US/junos13.3/topics/reference/configuration-statement/maximum-ecmp-edit-chassis.html
> >
> > which says 16/32/64  but it was only mentioning MPLS routes, not BGP
> > multipath routes . I think they might be the samething, but just want
> > to be sure.
> >
> > Thanks!
> >
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