[OpenIndiana-discuss] Configuring span ports on oi151

carlopmart carlopmart at gmail.com
Mon Oct 24 16:22:00 UTC 2011


On 10/24/2011 06:13 PM, James Carlson wrote:
> carlopmart wrote:
>>   Is it possible to configure a bridge (with n physical nics) with a span
>> port like for example FreeBSD does??
>
> No, mirror port functionality does not exist.
>
> If you intend to use snoop / tcpdump / wireshark on the span port, then
> just use the existing monitoring facility.  A bridge created with dladm
> will have an observability node, based on the bridge name.  If you
> create a bridge named "foo", then you can snoop on "foo0" and see all of
> the packets processed by the bridge.
>
> If you're using the span port for some other purpose, then the feature
> will probably have to be added to the code.  It's not present in the
> current code because the observability node covered the known uses of
> that sort of port without extra complications.
>

Thanks James. I need to sniff traffic on this bridge, but using it as 
port mirror or span port. For example, if I create a bridge with bge0, 
bge1, and bge2, I need to "see" all traffic that cross these interfaces, 
not only, for example, bge0 ... That's the problem.



-- 
CL Martinez
carlopmart {at} gmail {d0t} com



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