Great , thanks Mark ... what JUNOS are you using ? , I´ve heard that it has some issues with load balancing in 8.0
Thanks again Alexi On Sat, Oct 31, 2009 at 4:22 AM, Mark Tinka <[email protected]>wrote: > On Friday 30 October 2009 01:19:27 am alexi wrote: > > > I´ve been reading that the load balancing in the bundle > > (balancing between physical interfaces in the same > > bundle) may be achieved using different criterias like > > source or destination IP ... but it seems is a global > > configurarion and dont understand why > > > > do you have experience configuring load balancing schemes > > ? any hint would help > > In our case, the 802.1AX links are between a Juniper M7i and > a Cisco 6500 (the 6500 is running as a pure Layer 2 switch). > > On the Cisco side, the default 802.1AX load balancing > schemes they support (and we're using) are: > > #sh etherchannel load-balance > EtherChannel Load-Balancing Configuration: > src-dst-ip > mpls label-ip > > EtherChannel Load-Balancing Addresses Used Per-Protocol: > Non-IP: Source XOR Destination MAC address > IPv4: Source XOR Destination IP address > IPv6: Source XOR Destination IP address > MPLS: Label or IP > # > > On the M7i, this is what we have: > > t...@lab# show forwarding-options > hash-key { > family inet { > layer-3; > layer-4; > } > family mpls { > label-1; > label-2; > label-3; > payload { > ip; > } > } > } > > [edit] > t...@lab# > > We're aggregating 3x Gig-E links between both devices, and > it's working fairly well. Traffic distribution from the M7i > to the 6500 is 1:1:1, while traffic distribution from the > 6500 to the M7i is 1:1:0.7 (but this direction is governed > by other Layer 3 devices upstream of the 6500). > > All in all, not too bad for us, now. > > You might want to look into 'family multiservice' on the > Juniper side, which provides load balancing at the MAC > layer. But it has different attributes depending on the > platform in use. We haven't tried working with it (but could > if we consider services such as VPLS in the future). > > Cheers, > > Mark. > > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

