[pox-dev] get_path info for two hosts

[Amer]

Hello,

Thank you
I want to get the network path between two hosts. Is this possible in l2_multi.
For switches what I should use, their names or what?

Regards,

On ١٣‏/١١‏/٢٠١٣, at ١٠:٥٦ م, Murphy McCauley <murphy.mccauley at gmail.com> wrote:

> IP addresses don't mean anything to l2_multi.  If they did, it'd be l3_multi. :)  l2_multi works on L2 (Ethernet) addresses.
> 
> Even so, the path finding functions find paths between *switches*, not addresses.  Specifically, they find paths between l2_multi's Switch objects (I think if you'd printed the contents of path_map, this would have become apparent).  A separate dictionary object (mac_map) keeps a mapping between an Ethernet address and which Switch it thinks is associated.
> 
> -- Murphy
>  
> On Nov 13, 2013, at 11:07 AM, AMER <amer7777 at hotmail.com> wrote:
> 
>> Hello,
>>  
>> Pox.py forwarding.l2_multi openflow.discovery
>> tree topology with no loops
>>  
>> I want to get the path from source to destination using l2_multi, I tried with:
>> src = "10.1.1.1"
>> dst ="10.2.2.2"
>> path_info = _get_raw_path(src, dst)
>> print path_info
>> but I have got None, while i can ping these two hosts. Also, I have tried with get_path and same results None
>>  
>> Best regards,
>> 
>> Eng Amer Alghadhban
>> COE
>> SANS-GCFW
>> CEH, SCNP, CCNA
> 
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