[j-nsp] QFX mc-lag and v6 ND

Karl Brumund lists at brumund.ca
Thu Feb 4 15:55:30 EST 2016


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


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