Re: RSPAN

thanks all for you time ...

On Tue, Nov 30, 2010 at 4:22 PM, garry baker <baker.garry_at_gmail.com> wrote:

> "RSPAN VLANs must be configured in VLAN configuration mode by using the *
> remote-span* VLAN configuration mode command."
>
>
>
http://www.cisco.com/en/US/customer/docs/switches/lan/catalyst3560/software/r
elease/12.2_55_se/configuration/guide/swspan.html#wp1200730
>
>
> "However, when you enter the *encapsulation replicate *keywords when
> configuring a destination port, these changes occur:
>
> Packets are sent on the destination port with the same
> encapsulationuntagged, Inter-Switch Link (ISL), or IEEE 802.1Qthat they
> had on the source port.
>
> Packets of all types, including BPDU and Layer 2 protocol packets, are
> monitored.
>
> Therefore, a local SPAN session with encapsulation replicate enabled can
> have a mixture of untagged, ISL, and IEEE 802.1Q tagged packets appear on
> the destination port"
>
>
>
http://www.cisco.com/en/US/customer/docs/switches/lan/catalyst3560/software/r
elease/12.2_55_se/configuration/guide/swspan.html#wp1200730
> --
> Garry L. Baker
>
> "There is no 'patch' for stupidity." - www.sqlsecurity.com
>
>
> On Tue, Nov 30, 2010 at 2:14 AM, Faisal Ilyas
<faisal.learning_at_gmail.com>wrote:
>
>> Salam,
>>
>> - In RSPAN do we always have to create a separate VLAN to pass the mirror
>> traffic to the destination port ?
>> - Does encapsulation replicate has to be put on the destination port ?
>> will
>> it only help to forward the traffic like BPDUs, CDP, etc to the
>> destination
>> port ?
>>
>> --
>> Regards,
>> M. Faisal.
>>
>>
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>>
>>
>>
>>
>>
>>
>

--
Regards,
M. Faisal.
Blogs and organic groups at http://www.ccie.net