From: Pavel Bykov (slidersv@gmail.com)
Date: Mon Dec 08 2008 - 09:12:52 ARST
Where did you read that they need to be in the same VLAN?
That is not true.
Right now you are receiving anything that flows through Fa 1/0/9.
Are data really flowing through Fa 1/0/9?
On Mon, Dec 8, 2008 at 12:07 PM, GAURAV MADAN <gauravmadan1177@gmail.com>wrote:
> Hi Frnds
>
> Just to understand something better on SPAN ; I tested sniffing on a port
> on
> diff vlan (but landed in more confusion)
>
> i.e
>
> Rack1SW3(config)#do sh monitor sess 1
> Session 1
> ---------
> Type : Local Session
> Source Ports :
> Both : Fa1/0/9
> Destination Ports : Fa1/0/10
> Encapsulation : Native
> Ingress : Disabled
>
> Rack1SW3(config)#do sh run int f1/0/9
> Building configuration...
> Current configuration : 62 bytes
> !
> interface FastEthernet1/0/9
> switchport access vlan 10
> end
> Rack1SW3(config)#do sh run int f1/0/10
> Building configuration...
> Current configuration : 62 bytes
> !
> interface FastEthernet1/0/10
> switchport access vlan 2
> end
>
> Rack1SW3(config)#do sh run int vlan 10
> Building configuration...
> Current configuration : 55 bytes
> !
> interface Vlan10
> ip address 10.0.0.1 255.0.0.0
> end
>
> I am just send some pkts from external source to 10.0.0.1 (src 10.0.0.4say
> )
> PC with etherial is connected to f1/0/10
>
> I am able to SNIFF .. Am i doing something wrong ..
> As i understand SPAN source and dest need to be in same vlan .
>
> Gaurav Madan
>
>
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