Chips mirror actions:

PRONTO3290 PRONTO3296 PRONTO3295(TR2)(egress mirror=true)
PRONTO3780 PRONTO3920 PRONTO3922 PRONTO3930 PRONTO3960 PRONTO3965 PRONTO3980 PRONTO3920 PRONTO3924(TD)
 
ES4654 AS4610_54P AS4610_54T AS4610_30P AS4610_30T(Helix4)(egress mirror=true)
 PRONTO5101 PRONTO5401 AS6701_32X N2632XL N2948_6XL AS6712_32X AS5712_54X S4048 ARCTICA4806XP(TD2)
 
AS5812_54T AS5812_54X(TD2P)
 DCS7032Q28 AS7712_32X Z9100 (TH)

Note：Egress mirror only works well on the platforms which egress mirror is true（eg:3290（Firebolt3)，3296(Triumph2),4610 (helix4)).Otherwise the behaviour of egress mirror is uncertain.

The behaviour of egress mirror port should be the consistent to the output port.eg:port2 is the egress port,and port 3 is the mirror port(mirror the dst traffic of port 2).If the switch support egress mirror(egress mirror is true),then the packets of port 2 are tagged packets,then traffic of port 3 are also tagged packets.

Configuration Examples

The following examples show how to configure the port mirroring feature.

admin@PicOS-OVS$ovs-vsctl -- set bridge br0 mirrors=@m -- --id=@te-1/1/1 get Port te-1/1/1 -- --id=@te-1/1/2 get Port te-1/1/2 -- --id=@te-1/1/3 get Port te-1/1/3 -- --id=@m create Mirror name=mymirror select-dst-port=@te-1/1/1,@te-1/1/2 select-src-port=@te-1/1/1,@te-1/1/2 output-port=@te-1/1/3
admin@PicOS-OVS$

The configuration above includes ports te-1/1/1, te-1/1/2 and te-1/1/3. The source ports are te-1/1/1 and te-1/1/2 (including ingress and egress), and the output port (monitor port) is te-1/1/3.

The "select-dst-port" means some packets (in switch chip) will go-out from the specified port (egress).

The "select-src-port" means some packets will enter the specified port (ingress).

The command set 2 mirrors, m1 and m2:

admin@PicOS-OVS$ovs-vsctl -- set bridge br0 mirrors=@m1,@m2 -- --id=@te-1/1/11 get Port te-1/1/11 -- --id=@te-1/1/13 get Port te-1/1/13 -- --id=@te-1/1/14 get Port te-1/1/14 -- --id=@m1 create Mirror name=mymirror1 select-src-port=@te-1/1/11 output-port=@te-1/1/13 -- --id=@m2 create Mirror name=mymirror2 select-src-port=@te-1/1/11 output-port=@te-1/1/14 

The command add 2 new mirrors, m3 and m4:

admin@PicOS-OVS$ovs-vsctl add bridge br0 mirrors @m3,@m4 -- --id=@te-1/1/11 get Port te-1/1/11 -- --id=@te-1/1/12 get Port te-1/1/12 -- --id=@te-1/1/16 get Port te-1/1/16 -- --id=@m3 create Mirror name=mymirror3 select-dst-port=@te-1/1/11 output-port=@te-1/1/12 -- --id=@m4 create Mirror name=mymirror4 select-dst-port=@te-1/1/11 output-port=@te-1/1/16 

Deleting the Mirroring

root@PicOS-OVS# ovs-vsctl clear Bridge br0 mirrors