Hardware capture platforms

Sam Stickland sam_mailinglists at spacething.org
Fri Aug 8 04:47:48 CDT 2008


All,

On the subject of turning off mac learning on a switch, I've just 
discovered this - an unusual way of using RSPAN to force the MAC 
learning off on Cisco switches:

http://blog.internetworkexpert.com/2008/02/05/turning-switch-into-hub/

# Turn MAC learning on ports Fa0/1 - 3

vtp mode transparent
!
vlan 555
 remote-span
!
interface range Fa 0/1 - 3
 switchport trunk encapsulation dot1q
 switchport mode trunk
 switchport trunk allowed vlan 555
 switchport trunk native vlan 555

Sam

Sam Stickland wrote:
> Lynda wrote:
>> Warren Kumari wrote:
>>
>>> What I am looking for is: Small enough to live in my notebook bag
>>> (e.g.: 4 port with a wall wart.) Cheap Simple 10/100/1000Mbps
>>
>> I don't believe that such a thing ever existed. Hubs that did 10/100, 
>> certainly, but I've never ever seen a hub that did gig speeds.
>>
> Depends what you mean by 'hub' I guess. I thought the term referred to 
> a device that was half-duplex only, and had no address learning. GE 
> has never supported half-duplex.
>
> Sam
>





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