Problems among hosts

[kingoverworld]

It is a good job! thanks for Author.
but I find a fault when a cluster consists of many hosts.

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Host A ===>using kvmvlan
Host B ===>using kvmvlan

There are four virutal machines.
VM1 ===> vlan id = 2, VM2 == > vlan id = 3 in Host A.
VM3 ===> vlan id = 3, VM4 ==> vlan id = 4 in Host B.

When Host A and B are connected by a switch, I found the following.

VM3 ping VM3, ok ! I think it right.
but other VMS can ping each other, too. I think some fault happens. why?

[nesanton]

Hi @kingoverworld,
Glad you use it.

kvmvlan only sets vlan tags on the linux bridge ports. Inter-vlan routing is out of its scope.
My guess would be that your switch routes between vlans for you. That would normally be default behavior for most L3-enabled switches if you assign ip addresses to SVIs (vlan interfaces).

Let me know if you still think that the problem is in kvmvlan.