On Sun, Nov 25, 2018 at 07:43:30AM +0700, Lazuardi Nasution wrote: > Hi Robin, > > Do you mean that Cumulus quagga fork is FRRouting (https://frrouting.org/)? > As long as I know Cumulus using it now. I started this before Cumulus was fully shipping FRRouting; and used their binaries. Earlier versions of this: https://docs.cumulusnetworks.com/display/ROH/Installing+the+Cumulus+Quagga+Package+on+a+Host+Server Should be entirely possible w/ FRRouting now. VRFs as well for load balancers is a huge help. > What dummy interfaces do you mean? modprobe dummy > Why did you use it instead of loopback address? Some applications (e.g. keepalived & BIRD) have hardcoded special behavior for the 'lo' interface, with no easy way to work around that behavior. Using Dummy prevents said special behavior. This isn't directly relevant to Ceph itself, but matters on load balancers RGW workloads for example. > Anyway, how can you isolate between some kind of traffic to be not routable? > On L2 implementation, I separate two Ceph traffic (public and cluster) > with other traffic by using VLANs. In my past deployment, the cluster network was using IPv6 ULA addressing to prevent leaks. QoS via DSCP as well to prioritize cluster traffic over public traffic (Ceph already marks the heartbeat packets suitably). -- Robin Hugh Johnson Gentoo Linux: Dev, Infra Lead, Foundation Treasurer E-Mail : robbat2@xxxxxxxxxx GnuPG FP : 11ACBA4F 4778E3F6 E4EDF38E B27B944E 34884E85 GnuPG FP : 7D0B3CEB E9B85B1F 825BCECF EE05E6F6 A48F6136
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