[ovs-discuss] Ovs with trunk

Jose Augusto de Sousa joseaugusto.sousa at gmail.com
Fri Feb 14 19:56:45 UTC 2014


Dear,
i need a little help.

i have a virtual machine with ovs with 3 interfaces.
eth0 administrative connection
eth1 connected a switch in trunk mode, this switch port has vlans 20-50
vlans
eth2 connected another switch, this has normal connection, native


       ovs-vsctl add-br br0
       ovs-vsctl add-port br0 eth1
    ovs-vsctl add-port br0 eth2
       ovs-vsctl add-port br0 vlan20 tag=20 -- set interface vlan20
type=internal


ovs-vsctl show
bfe59603-c7fd-4d2d-8c9c-675ae8796c7f
    Bridge "br0"
        Port "br0"
            Interface "br0"
                type: internal
        Port "vlan20"
            tag: 20
*            Interface "vlan20"*
*                type: internal*
        Port "eth1"
            Interface "eth1"
        Port "eth2"
            Interface "eth2"
   ovs_version: "2.1.90"


I have virtual machine running in switch in acess mode on tag20
the eth1 are connected in switch with trunk with vlans 20-50

i saw a package comming up for eth2 and eth1, but this doenst arrived in
vm, i saw my gw asking whatis the mac vm1
17:49:50.717928 IP 172.22.4.139 > 10.133.22.105: ICMP echo request, id 5,
seq 21461, length 40

when i'm sniffing  interface vlan20 i dindt see any thing.

and this vm in vlan20 didnt arrived any thing.

when i change the setup for this one, when i use a virtual interface with
vlan20 tagged.
this work whell



       ovs-vsctl add-br br0
       ovs-vsctl add-port br0 eth1
       ovs-vsctl add-port br0 eth1.20
     ovs-vsctl add-port br0 eth2


bfe59603-c7fd-4d2d-8c9c-675ae8796c7f
    Bridge "br0"
        Port "br0"
            Interface "br0"
                type: internal
        Port "eth1"
            Interface "eth1"
        Port "eth1.20"
*            Interface "eth1.20"*
        Port "eth2"
            Interface "eth2"
    ovs_version: "2.1.90"


i can ping the vm  ip

17:50:15.689919 IP 172.22.4.139 > 10.133.22.105: ICMP echo request, id 5,
seq 21466, length 40
17:50:15.690184 IP 10.133.22.105 > 172.22.4.139: ICMP echo reply, id 5, seq
21466, length 40


are there some form todo that whitout need use *eth1.20?*


Thank you in advance!



[]'s


José Augusto de Sousa
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