From: Alexei Monastyrnyi (alexeim@orcsoftware.com)
Date: Fri Apr 07 2006 - 11:56:27 GMT-3
he doesn't say about reflector port settings... I mean regarding
specific I asked....
or do you, Scott?
on 07/04/2006 16:49 Hooman Parta wrote:
> Check Scott's Audio series, it is one of the best. You will learn it within
> 30 minutes.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Schulz, Dave
> Sent: Friday, April 07, 2006 9:04 AM
> To: Alexei Monastyrnyi; Nick Griffin
> Cc: Faryar Zabihi (fzabihi); Roberto Fernandez; ccielab@groupstudy.com
> Subject: RE: What is a Reflector-Port on RSPAN ?
>
> The reflector port just needs to be any unused port. The state of the port
> should not be an issue, since just the ASIC of the port is used.
> Anything connected to the port will be disconnected.
>
>
> Dave Schulz,
> Email: dschulz@dpsciences.com
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Alexei Monastyrnyi
> Sent: Friday, April 07, 2006 3:53 AM
> To: Nick Griffin
> Cc: Faryar Zabihi (fzabihi); Roberto Fernandez; ccielab@groupstudy.com
> Subject: Re: What is a Reflector-Port on RSPAN ?
>
> Thanks!
>
> But still this reflector port needs to be on-line, connected, or?
> Logically it shouldn't require that since all it needs is an ability to
> use interface ASICs internally to reflect packets, which does not imply
> that any link signal needs to be on the interface.
>
> Anyway, better try when I have two switches..
>
> Or Petr L,
> I know you have 2 of 3550.... Could you please lab it up?
>
> Cheers,
> A.
>
> on 07/04/2006 02:55 Nick Griffin wrote:
>
>> If I understand you correctly, no you do not need to enter "sw access
>> vlan 44", the reflector port is used to loop the traffic your
>> monitoring from your source port/vlan, out the interface, back in and
>> onto the remote span vlan. Configuring the "reflector port"
>> effectively disables it just as if were a local port used in a local
>> span session. Unless I'm not catching what your throwing.
>>
>>
>>
>> Alexei Monastyrnyi wrote:
>>
>>> Thanks, but it didn't make things clear for me... sorry.
>>> Let me put it tis way.
>>> If RSPAN VLAN is 444, and reflector port is fa 0/21 - do I have to do
>>>
>>> in fa 0/21
>>> sw acc vlan 444
>>>
>>> Does this reflector port need to be in "connected" status?
>>>
>>> Very practical questions, cause you don't have a way to test this
>>> config on real lab so you have to know what port to pick as a
>>> reflector port and how this port should be configured. This part is
>>> missing on DocCD section regarding RSPAN, ... or I cannot read it.
>>>
>>> I used a lot of SPAN sessions within one switch for my work, but
>>> never RSPAN and in my current lab there is only one 3550 so cannot
>>> lab it up.
>>>
>>> A.
>>>
>>> ----- Original Message ----- From: "Faryar Zabihi (fzabihi)"
>>> <fzabihi@cisco.com>
>>> To: "Alexei Monastyrnyi" <alexeim@orcsoftware.com>; "Roberto
>>> Fernandez" <rofernandez@us.telefonica.com>; <ccielab@groupstudy.com>
>>> Sent: Thursday, April 06, 2006 10:54 PM
>>> Subject: RE: What is a Reflector-Port on RSPAN ?
>>>
>>>
>>> 1. Any access ports configured into an RSPAN VLAN shall become
>>> inactive and remain in that state until either the ports are
>>>
> configured
>
>>> into another VLAN or the VLAN is no longer an RSPAN VLAN.
>>>
>>>
>>>
>>> 2. Learning is disabled in RSPAN VLANs. This ensures that traffic
>>> is flooded to all the trunk ports in the VLAN.
>>>
>>>
>>>
>>> 3. Trunk ports carry RSPAN VLAN traffic like that of any other
>>> VLAN. VTP pruning supports pruning of RSPAN VLAN traffic on trunk
>>>
> ports.
>
>>>
>>> 4. STP is enabled for all ports in the RSPAN VLAN, to support link
>>> redundancy while avoiding loops.
>>>
>>>
>>> Faryar Zabihi
>>>
>>>
>>> -----Original Message-----
>>> From: Alexei Monastyrnyi [mailto:alexeim@orcsoftware.com]
>>> Sent: Thursday, April 06, 2006 1:47 PM
>>> To: Faryar Zabihi (fzabihi); Roberto Fernandez;
>>>
> ccielab@groupstudy.com
>
>>> Subject: Re: What is a Reflector-Port on RSPAN ?
>>>
>>> is that relevant if the reflector port belongs to that special RSPAN
>>> VLAN?
>>>
>>> A.
>>>
>>> ----- Original Message -----
>>> From: "Faryar Zabihi (fzabihi)" <fzabihi@cisco.com>
>>> To: "Roberto Fernandez" <rofernandez@us.telefonica.com>;
>>> <ccielab@groupstudy.com>
>>> Sent: Thursday, April 06, 2006 9:01 PM
>>> Subject: RE: What is a Reflector-Port on RSPAN ?
>>>
>>>
>>>
>>>> Good doc on rspan...there is a section on reflector-ports
>>>>
>>>>
> http://www.cisco.com/en/US/products/hw/switches/ps663/products_configu
>
>>>> ra tion_guide_chapter09186a0080176332.html
>>>>
>>>>
>>>> Faryar Zabihi
>>>>
>>>> -----Original Message-----
>>>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
>>>> Of Roberto Fernandez
>>>> Sent: Thursday, April 06, 2006 10:21 AM
>>>> To: ccielab@groupstudy.com
>>>> Subject: What is a Reflector-Port on RSPAN ?
>>>>
>>>> Friends,
>>>>
>>>> Quick question:
>>>>
>>>> What is a reflector-port in regards to the RSPAN configuration? I'm
>>>> confused on this.
>>>>
>>>> Best Regards,
>>>> Roberto
>>>>
>>>>
>>>>
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