On 09/16/2015 03:27 PM, Dennis Jacobfeuerborn wrote:
You should always enable STP on a bridge unless you have a very specific
reason not to.
It's a question in the area of network adminisration.
STP is slow by today's standards - 50 seconds to wait until it
rearranges the topology is too much. And RSTP isn't supported without a
special daemon.
Next, if you want some physical link level redundancy you'd better go
LACP - anyway almost every managed switch that has STP also has LACP
today. And you can also get speed improvement.
Next, I doubt anyone would create two vNICs on a VM that connect to the
same physical network. I see no point. The chances are they're going to
be VLANs on a physical network. So you need VSTP. Does your switch do
VSTP and are you up to configure it?
Thus personally I don't see a point in carelessly enabling STP on a
hardware node.
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