Re: RSPAN

Mohammad
You might want to use a VLAN filter if your source interface were a
trunk.In other cases it is not of use.

HTH
A.

On 1/27/2012 7:34 AM, Mohammad Khalil wrote:
> Hi , thanks for the reply
> no , i have configured the vlan as a remote , what am looking for is should we use the vlan filter in order to make the monitor the vlans of concern ? i know we are already mentioned the vlans we want in the monitor line but checking if the filter needed ?
> and in the intermediate switches we do not need to configure the monitor sessions right ? because what we care about is the trunks in between
>
> Thanks
>
>> From: aaron1_at_gvtc.com
>> To: eng_mssk_at_hotmail.com; mitsuie2_at_gmail.com
>> CC: ccielab_at_groupstudy.com
>> Subject: RE: RSPAN
>> Date: Thu, 26 Jan 2012 14:21:52 -0600
>>
>> Not sure if this is what you are asking but it does look like you are
>> missing something.
>>
>>
>>
>> I think when using rspan you will need the "remote" option on both ends to
>> specify that the transport vlan is in-fact an rspan enabled vlan....which
>> brings up another point....did you make the transport vlan rspan enabled? I
>> believe you must.
>>
>>
>>
>> SW1
>>
>> monitor session 1 source vlan 22 rx
>>
>> monitor session 1 source vlan 66 rx
>>
>> monitor session 1 destination remote vlan 99
>>
>>
>>
>> "remote" missing here..adding it in for you.
>>
>> SW2
>>
>> monitor session 1 source remote vlan 99
>>
>> monitor session 1 destination interface fastEthernet 0/2
>>
>>
>>
>> SW1#sh vlan remote-span
>>
>>
>>
>> Remote SPAN VLANs
>>
>> ----------------------------------------------------------------------------
>> --
>>
>>
>>
>> SW1#conf t
>>
>> SW1(config)#vlan 3
>>
>> SW1(config-vlan)#remote-span
>>
>> SW1(config-vlan)#exit
>>
>> SW1(config)#do sh vlan remo
>>
>>
>>
>> Remote SPAN VLANs
>>
>> ----------------------------------------------------------------------------
>> --
>>
>> 3
>>
>> SW1(config)#
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> -----Original Message-----
>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>> Mohammad Khalil
>> Sent: Thursday, January 26, 2012 2:01 PM
>> To: mitsuie2_at_gmail.com
>> Cc: ccielab_at_groupstudy.com
>> Subject: RE: RSPAN
>>
>>
>>
>> i mean i am monitoring specific vlans traffic , should i apply the filter
>> just for them ?
>>
>>
>>
>> Thanks
>>
>>
>>
>>
>>
>>> Subject: Re: RSPAN
>>> From: mitsuie2_at_gmail.com
>>> Date: Thu, 26 Jan 2012 19:15:34 +0000
>>> CC: ccielab_at_groupstudy.com
>>> To: eng_mssk_at_hotmail.com
>>> Hi Mohammad,
>>> Sorry I didn't get your Q. What do you mean by filtering the VLANs ?
>>> You use ingress to instruct the switch to which VLAN incoming traffic on
>> your fa0/2 should be put into. Without that all incoming traffic is dropped.
>>
>>> /Sud
>>> Sent from my iPad
>>> On Jan 26, 2012, at 1:57 PM, Mohammad Khalil<eng_mssk_at_hotmail.com> wrote:
>>>> hi , if i want to monitor traffic for a specified vlan only on one
>> switch (let us say SW1) and the remote vlan is the source on the other
>> switch (SW2)
>>
>>>> should i filter the vlans in the monitor session configuration ?
>>>> SW1
>>>> monitor session 1 source vlan 22 rx
>>>> monitor session 1 source vlan 66 rx
>>>> monitor session 1 destination remote vlan 99
>>>> SW2
>>>> monitor session 1 source vlan 99
>>>> monitor session 1 destination interface fastEthernet 0/2 (should i use
>> ingress ? the f0/2 is not access in any vlan)
>>
>>>> Thanks
>>>> BR,
>>>> MSSK
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>>
>>
>>
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Received on Fri Jan 27 2012 - 10:34:46 ART