Thanks Adam. On Fri, Feb 5, 2016 at 3:46 AM, Adam Vitkovsky <adam.vitkov...@gamma.co.uk> wrote:
> Hello Karl, > > > Karl Brumund > > Sent: Thursday, February 04, 2016 8:56 PM > > > > We're seeing an issue with a pair of QFX3500s, configured with MC-LAG > > towards servers and IPv6 Neighbor Discovery. > > qfx1 and qfx2 have mc-ae towards servers. If qfx1 sends NS, a server may > > reply on the bonded mc-ae towards qfx2 (depending on which NIC it hashes > > to). qfx1 never gets the NA and times out the neighbor. > > J documentation only seems to mention NDP and MC-LAG for EX9200s in > > 15.1. > > > > Anybody else seen this, or got a hint to toss our way? > > > > Thanks! > > ...karl > Was able to find this: > > > http://www.juniper.net/techpubs/en_US/junos14.2/topics/concept/interfaces-active-active-bridging-and-vrrp-over-irb-mx.html > > Junos OS supports active-active MC-LAGs by using VRRP over IRB. Junos OS > also supports active-active MC-LAGs by using IRB MAC address > synchronization. You must configure IRB using the same IP address across > MC-LAG peers. IRB MAC synchronization is supported on 32-bit interfaces and > interoperates with earlier MPC and MIC releases. > > We're using VRRP over IRB. > What is interesting though is I can't find anything related to how the > heck should NDP work over MC-LAG > If anyone knows of any documentation please let me know. > > Only this, which is leading me to believe again that MC-LAG is evil, at least on QFX. http://www.juniper.net/techpubs/en_US/junos15.1/topics/concept/ipv6-neighbor-discovery-switches.html EX9200 and 15.1 ...karl adam > > > Adam Vitkovsky > IP Engineer > > T: 0333 006 5936 > E: adam.vitkov...@gamma.co.uk > W: www.gamma.co.uk > > This is an email from Gamma Telecom Ltd, trading as “Gamma”. The contents > of this email are confidential to the ordinary user of the email address to > which it was addressed. This email is not intended to create any legal > relationship. No one else may place any reliance upon it, or copy or > forward all or any of it in any form (unless otherwise notified). If you > receive this email in error, please accept our apologies, we would be > obliged if you would telephone our postmaster on +44 (0) 808 178 9652 or > email postmas...@gamma.co.uk > > Gamma Telecom Limited, a company incorporated in England and Wales, with > limited liability, with registered number 04340834, and whose registered > office is at 5 Fleet Place London EC4M 7RD and whose principal place of > business is at Kings House, Kings Road West, Newbury, Berkshire, RG14 5BY. > > > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp