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Re: Not getting traffic in promisc sriov

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I can see from different post on this site that if working with sr-iov, i should work with vlan

Is this an obligation to work with vlan if working with sr-iov?

If not according to which parameter will the different vf get the traffic.

Let's say i declare max_vfs=7, how will the traffic be seperated between the vm?

 

However till i get an answer i tried to work with vlan

And i still don't get traffic in vm, but i see it in the physical interface of the host

I tried to do the following to define the vlan

 

In virsh edit

<interface type='hostdev' managed='yes'>

      <mac address='52:54:00:60:7f:57'/>

      <source>

        <address type='pci' domain='0x0000' bus='0x15' slot='0x10' function='0x0'/>

      </source>

      <vlan>

        <tag id='44'/>

      </vlan>

      <alias name='hostdev0'/>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>

    </interface>

 

In host ip link

23: eth6: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000

    link/ether 38:ea:a7:8f:fa:98 brd ff:ff:ff:ff:ff:ff

    vf 0 MAC 52:54:00:60:7f:57, vlan 44

 

 

In guest

modprob 8021q

eth1  Link encap:Ethernet  HWaddr 52:54:00:60:7F:57
      inet6 addr: fe80::5054:ff:fe60:7f57/64 Scope:Link
      UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
      RX packets:0 errors:0 dropped:0 overruns:0 frame:0
      TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:0 (0.0 b)  TX bytes:1156 (1.1 KiB)

 

eth1.44   Link encap:Ethernet  HWaddr 52:54:00:60:7F:57

      inet6 addr: fe80::5054:ff:fe60:7f57/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:0 errors:0 dropped:0 overruns:0 frame:0
      TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0

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