Hi,
I am currently using the beta version of ovs(2.3.90) and have enabled the
multicast snooping configuration with the help of below command.
echo 2 >
/proc/sys/net/ipv4/conf/all/force_igmp_version
Configure bridge \fBbr0\fR to enable multicast snooping
ovs-vsctl set Bridge br0
mcast_snooping_enable=true
Set the multicast snooping aging time \fBbr0\fR to 300 seconds
ovs-vsctl set Bridge br0
other_config:mcast-snooping-aging-time=300
Set the multicast snooping table size \fBbr0\fR to 2048 entries
ovs-vsctl set Bridge br0
other_config:mcast-snooping-table-size=2048
Disable flooding of unregistered multicast packets to all ports
ovs-vsctl set Bridge br0
other_config:mcast-snooping-disable-flood-unregistered=true
Enable flooding of multicast packets on a specific port
ovs-vsctl set Port enp9s0f0
other_config:mcast-snooping-flood=true
Flow added
[root@Iron utilities]# ovs-ofctl add-flow br0 action=NORMAL
Then I verify the bridge detail and multicast table detail using below
command and I got below out put however Mcast table is showing empty.
[root@Iron utilities]# ovs-vsctl list bridge
_uuid : 55e136ae-abe0-4b0e-a99d-c96ecd4cc74e
auto_attach : []
controller : []
datapath_id : "0000a0369f4f3894"
datapath_type : ""
datapath_version : "<unknown>"
external_ids : {}
fail_mode : []
flood_vlans : []
flow_tables : {}
ipfix : []
mcast_snooping_enable: true
mirrors : []
name : "br0"
netflow : []
other_config : {mcast-snooping-aging-time="300",
mcast-snooping-table-size="2048"}
ports : [121608b8-9dfa-440e-a8f0-33a4112135e4,
4f8bb613-fb2e-4c28-b85a-a706e85e1910, bb71c085-a88f-4ad4-a3e4-e228473dfaeb]
protocols : []
rstp_enable : false
rstp_status : {}
sflow : []
status : {}
stp_enable : false
[root@Iron utilities]# ./ovs-appctl fdb/show br0
port VLAN MAC Age
3 0 a0:36:9f:4f:38:95 0
[root@Iron utilities]# ovs-appctl mdb/show br0
port VLAN GROUP Age
Can you please tell me if I missed out any configuration, if not why
multicast table showing empty???/ Please any one can help me on this.
Can you confirm as to whether the multicast snooping configuration is supported
at the group level? If yes then can you mention as to where this information
(registered group addresses and the mac addresses) is maintained on the
switch.
As far as i can see the host receives multicast traffic from all the
multicast groups irrespective of the group it has registered for. Is there
any other further configuration that is required?
Thanks,
Laxmikanta
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