It has limitations, but, it's documented pretty well in the excellent Day One/Day Two Juniper books for IPv6 written by Chris Grundemann.
However, as others have said, I strongly subscribe to the school of "don't do that, it leads to unnecessary pain and provides little benefit. Owen On Feb 12, 2012, at 8:50 PM, Aleksi Suhonen wrote: > Hello, > > keith tokash wrote: >> I'm prepping an environment for v6 and I'm wondering what, if >> any, benefit there is to splitting v4 and v6 into separate groups. >> We're running Junipers and things are fairly neat and ordered; > > I haven't really looked very hard, since I subscribe to the stated reasons > for keeping v4 and v6 sessions apart. (migration, max-pfx, ...) > > BUT > > To my knowledge, JunOS doesn't even support using a single TCP session to > exchange routes of all address families. If someone knows how to do this - if > even for just IPv4 and IPv6 unicast - let me know ... ;-) > > -- > Aleksi Suhonen / Axu TM Oy > World Wide Web: www.axu.tm