perfSONAR User Q&A and Other Discussion

[Ben Nelson <>]

Thanks Andy, I'll check this out.

-Ben

On 1/14/14, 9:14 AM, Andrew Lake wrote:
> Hi Ben,
>
> Unfortunately the toolkit doesn't directly support multiple interfaces at 
> the moment. It only looks at one address for the host. The FAQ here has 
> some more details and a link to a page that describes a way to use multiple 
> interfaces involving some special wrapper scripts for bwctl and owamp that 
> may help: http://psps.perfsonar.net/toolkit/FAQs.html#Q59
>
> The configuration is a bit involved and we are looking at better ways to do 
> this in the future, but currently the above method has yielded some success 
> for people wishing to do similar things.
>
> Thanks,
> Andy
>
> On Jan 13, 2014, at 5:10 PM, Ben Nelson 
> <>
>  wrote:
>
>> Hi all,
>>
>> We're looking to setup a perfsonar mesh across multiple vlan interfaces
>> on a single host.  Our network is setup such that we have multiple vlans
>> coming in to a single interface, which get transported across different
>> circuits when going out of our switch.  Is a setup like this possible? 
>>
>> I've tried adding multiple HOST fields with the same hostname, but
>> bwmaster only seems to pick up a single interface (typically the last in
>> the owmesh).  Trying to use an interface IP in the HOST field results in
>> the bwmaster not seeing any tests to perform on the host. I've also
>> tried adding multiple NODE fields to a single hostname, which is how
>> I've been defining each interface, but a similar issue happens where
>> only the last NODE definition gets picked up by bwmaster.
>>
>> Can anyone verify if the HOST field does a DNS lookup to resolve to the
>> local machine, or does it match simply 'uname -a'?
>>
>> I have originally set it up such that each vlan (2 endpoints) is an
>> individual mesh, as it is easier to generate our configuration in this
>> manner.  If there is a better way to do this, or a way in which this
>> will actually work, I would appreciate the advice.
>>
>> Thanks,
>> Ben
>>
>> -- 
>> Ben Nelson, Systems Engineer
>> Indiana University GlobalNOC
>> <>
>>

-- 
Ben Nelson, Systems Engineer
Indiana University GlobalNOC
<>