[ovs-discuss] DHCP and OVS

[MCGRATH, GIL]

# ovs-dpctl show
system at ovs-system:
	lookups: hit:10337061 missed:60169617 lost:0
	flows: 2638
	port 0: ovs-system (internal)
	port 1: br-em1 (internal)
	port 2: em1
	port 3: em2
	port 4: br-em2 (internal)
	port 5: br-em4-pri (internal)
	port 6: em4
	port 7: br-em4 (internal)
	port 8: em3
	port 9: br-em3 (internal)
	port 10: vnet0



―-Gil


On 8/11/14, 4:11 PM, "Justin Pettit" <jpettit at nicira.com> wrote:

>I asked about "ovs-dpctl dump-flows".  Also, please include the output of
>"ovs-dpctl show".
>
>--Justin
>
>
>On August 11, 2014 at 11:03:42 AM, MCGRATH, GIL (gm2391 at att.com) wrote:
>> Justin,
>>  
>> While is in process of PXE booting.
>>  
>> # ovs-ofctl dump-flows br-em1
>> NXST_FLOW reply (xid=0x4):
>> cookie=0x0, duration=13577.846s, table=0, n_packets=11120087,
>> n_bytes=927952497, idle_age=4, priority=0 actions=NORMAL
>>  
>> I ran it multiple time during the PXE boot - the same result except
>> idle_age changed 0-4 and duration changed.
>>  
>> Gil
>>  
>>  
>>  
>>  
>> On 8/11/14, 1:49 PM, "Justin Pettit" wrote:
>>  
>> >What about "ovs-dpctl dump-flows" while the reply is going through. The
>> >flow will only be there for a second or two, so you'll need to be
>> >somewhat fast.
>> >
>> >--Justin
>> >
>> >
>> >On August 11, 2014 at 10:29:38 AM, MCGRATH, GIL (gm2391 at att.com) wrote:
>> >> Justin,
>> >>
>> >> Flow is as follows:
>> >>
>> >> # ovs-ofctl dump-flows br-em1
>> >> NXST_FLOW reply (xid=0x4):
>> >> cookie=0x0, duration=11605.818s, table=0, n_packets=9506767,
>> >> n_bytes=793634428, idle_age=1, priority=0 actions=NORMAL
>> >>
>> >>
>> >>
>> >> On 8/11/14, 1:26 PM, "Justin Pettit" wrote:
>> >>
>> >> >On August 11, 2014 at 10:21:05 AM, MCGRATH, GIL (gm2391 at att.com)
>>wrote:
>> >> >> > I am running KVM on ubuntu 14.04. I am trying to PXE boot a VM.
>> >>When
>> >> >> I try this, using tcpdump I see the DHCP Reply message on the
>>³em1²
>> >> >> interface. But I do not see the DHCP Reply on the ³vnet0²
>>interface
>> >> >> that KVM creates on the ³br-em1² bridge. Therefore my PXE times
>> >> >> out. Anyone ever see this? If so, do we know what the issue may
>>be.
>> >> >
>> >> >What does your flow table look like from "ovs-ofctl dump-flows
>>br-em1"?
>> >> >While the replies are coming in, what do you see from "ovs-dpctl
>> >> >dump-flows"?
>> >> >
>> >> >--Justin
>> >> >
>> >> >
>> >> >
>> >>
>> >>
>> >
>>  
>>  
>