Thanks, that's what I mean by consistent hashing :-D But just to clarify, were you talking about juniper routing device that has this feature or are you referring to security device?
On Tue, Apr 1, 2014 at 4:26 AM, Vitkovský Adam <[email protected]>wrote: > > if i started with pre flow 8 ecmp route to a single /32, later removed > one > > route, would packets all be redistributed over 7 route? this would break > in > > flight tcp sessions to the vip. > > Well flows utilizing the failed path would be spread across the remaining > 7 paths. > But any particular flow would be using only a single path. > So this would break the existing session only if different (per path) > security/nat/balancer devices are crossed and states are nod synced among > them. > > > adam > > -----Original Message----- > > From: juniper-nsp [mailto:[email protected]] On Behalf > > Of Yucong Sun > > Sent: Tuesday, April 01, 2014 10:08 AM > > To: [email protected] > > Cc: [email protected] > > Subject: Re: [j-nsp] maximum BGP multipath ECMP supported on M7i or > > M10i routers? > > > > Thanks, do you have any insight on the consistent hashing? > > > > if i started with pre flow 8 ecmp route to a single /32, later removed > one > > route, would packets all be redistributed over 7 route? this would break > in > > flight tcp sessions to the vip. > > > > Cheers. > > > > On Tuesday, April 1, 2014 12:59:50 AM, Krasimir Avramski > > <[email protected]> > > wrote: > > > > 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/usag > > e-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 <[email protected]> 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 <[email protected]> > > 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/confi > > guration-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! > > > > > > > > > _______________________________________________ > > juniper-nsp mailing list [email protected] > > https://puck.nether.net/mailman/listinfo/juniper-nsp > > _______________________________________________ > > juniper-nsp mailing list [email protected] > > https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
