[c-nsp] mLACP at 6500

Phil Mayers p.mayers at imperial.ac.uk
Wed Dec 21 11:30:11 EST 2011

On 21/12/11 16:28, Jeroen van Ingen wrote:
> On Wed, 2011-12-21 at 11:41 +0000, Phil Mayers wrote:
>> On 21/12/11 11:02, Mark Berly wrote:
>>> Arista Networks has a similar feature called MLAG which allows
>>> active-active paths with no vlan restrcitions and an active-active gateway
>>> functionality. It is worth looking into if you are looking to implement
>>> this type feature
>> Plenty of kit does these days. Extreme x-series, Cisco Nexus, etc.
>> It's not new/special any more.
> Well, sometimes it *is* new/special in the sense that switch-to-switch
> multichassis LAG can be a challenge to implement correctly along with
> other features. Stuff like STP, IGMP Snooping&  multicast forwarding and
> DHCP snooping come to mind.
> So even though plenty of kit does it, I believe plenty of kit have its
> caveats when using multichassis LAG / LACP.

An excellent point ;o)

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