Hi Youssef, here the ctrl/fabric are transported using a vlan over a trunk, not direct p2p link, I guess it's different.
They run VSTP and not sure what on Extreme network,... I suspect SRX is not happy to see different packet than HA packet on that link ;-) cheers James 2016-01-13 17:25 GMT+01:00 Youssef Bengelloun-Zahr <yous...@720.fr>: > Dear James, > > We have a pretty similar setup with an SRX5600 cluster in two distinct DCs > seperated by dark fibers (18 and 28 kms) that we light ourselves. > > Control and fabric link are directly connected and transported via PtP > MPLS services on our core backbone. It's been working great so far. > > When we consulted Juniper about this, they told us to worry about the > following : > > - Distance shouldn't be over 100 kms, > > - Latency shouldn't be higher than 1-2 ms, > > - Change the ethertype of the ports connecting HA links in order to > be transparant to any VLANs transported between cluster members. > > HTH. > > Y. > > > > 2016-01-13 17:04 GMT+01:00 james list <jameslis...@gmail.com>: > >> Hi experts, >> >> >> a customer of mine has implemented an SRX cluster HE(1400) over a L2 >> (vlan) >> infrastructure and is having sometime problems on the dual FAB links, >> which >> trigger basically a split brain. >> >> >> The cluster is geographically stretched and in one site the customer has >> Cisco Nexus 5k and on the other has Extreme switches. >> >> >> I’m not having a lot of info by the customer, I can only see that they >> have >> configured PVSTP on Cisco side and no STP protocol on Extreme side. >> >> >> Has anyone experienced problems in these kind of scenario ? >> >> >> I’m aware of the Juniper prerequisites stated here: >> >> >> http://kb.juniper.net/library/CUSTOMERSERVICE/GLOBAL_JTAC/NT21/LAHAAppNotev4.pdf >> >> >> I’m looking for real experience and comments, what to check, any help, >> etc. >> >> >> Cheers, >> >> James >> _______________________________________________ >> juniper-nsp mailing list juniper-nsp@puck.nether.net >> https://puck.nether.net/mailman/listinfo/juniper-nsp > > > > > -- > Youssef BENGELLOUN-ZAHR > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp
