From: Jeff Kesemeyer (jkesemey@bellsouth.net)
Date: Sat Mar 03 2007 - 13:38:48 ART
The commands are there in the 3560 and 3550, but Cisco states that
they are unsupported even though they are there because they not
fully tested.
Would you want to use one of these commands in the lab?
How about undocumented commands altogether?
I suspect with the automated lab grading system they have, they must
be looking for certain commands in the configuration, I would hate to
fail due to making the config work - but not getting the points for it.
Jeff Kesemeyer
CCNP, CCDP, CNX, MCSE, CNE
Bradshaw Labs Inc.
Your CCIE Rack Rental Source
www.bradshawlabs.com
On Mar 3, 2007, at 11:22 AM, Darby Weaver wrote:
> Jeff,
>
> The command "spanning-tree pathcost [long | short}
> does exist on the 3560's.
>
> I labbed it.
>
> And while it may not be documented in the command
> reference guide - it is there and it does change the
> value - I can produce the output easily enough.
>
> Apparently this featue is quite common among a lot of
> vendor's switches as a quick search through google
> would suggest.
>
> I have to read you link, and I know I was till 4am or
> so labbing it up, but it definately changed the
> values.
>
> I was working on remote lab or I would have posted my
> lab results.
>
> If needed, I can produce them along with the version
> of code on the 3560 - I did not try it yet on my
> 3550's.
>
>
> --- Jeff Kesemeyer <jkesemey@bellsouth.net> wrote:
>
>> The spanning-tree path-cost command does not exist,
>> the two commands
>> for configuring cost for STP is:
>>
>> spanning-tree cost <cost>
>> Change the cost for an access port to select the
>> best route.
>>
>> spanning-tree vlan <vlan> cost <cost>
>> Change the VLAN cost for a trunk port so you can
>> select which vlan
>> goes over which trunk when multiple trunks exist, or
>> etherchannel is
>> implemented.
>>
>> Here's Cisco link for STP Technologies.
>> http://www.cisco.com/en/US/tech/tk389/tk621/
>> tsd_technology_support_protocol_home.html
>>
>> Jeff Kesemeyer
>> CCNP, CCDP, CNX, MCSE, CNE
>> Bradshaw Labs Inc.
>> Your CCIE Rack Rental Source
>> www.bradshawlabs.com
>>
>>
>>
>>
>> On Mar 3, 2007, at 12:57 AM, nhatphuc wrote:
>>
>>> Darby,
>>>
>>> Thanks for replying, but I didn't mention
>> spanning-tree cost, the
>>> exact
>>> command I asked is: spanning-tree pathcost method
>>>
>>> Thanks
>>>
>>> On 3/3/07, Darby Weaver <darbyweaver@yahoo.com>
>> wrote:
>>>>
>>>> Here you go - syntax can be important.
>>>> ======================================
>>>>
>>>> spanning-tree cost
>>>> Use the spanning-tree cost interface
>> configuration
>>>> command to set the path cost for spanning-tree
>>>> calculations. If a loop occurs, spanning tree
>>>> considers the path cost when selecting an
>> interface to
>>>> place in the forwarding state. Use the no form of
>> this
>>>> command to return to the default setting.
>>>>
>>>> spanning-tree [vlan vlan-id] cost cost
>>>>
>>>> no spanning-tree [vlan vlan-id] cost
>>>>
>>>> Syntax Description
>>>> vlan vlan-id
>>>> (Optional) VLAN range associated with a
>> spanning-tree
>>>> instance. You can specify a single VLAN
>> identified by
>>>> VLAN ID number, a range of VLANs separated by a
>>>> hyphen, or a series of VLANs separated by a
>> comma. The
>>>> range is 1 to 4094.
>>>>
>>>> cost
>>>> Path cost. The range is 1 to 200000000, with
>> higher
>>>> values meaning higher costs.
>>>>
>>>>
>>>>
>>>>
>>>> Defaults
>>>> The default path cost is computed from the
>> interface
>>>> bandwidth setting. These are the IEEE default
>> path
>>>> cost values:
>>>>
>>>> 1000 Mbps4
>>>>
>>>> 100 Mbps19
>>>>
>>>> 10 Mbps100
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>
> http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3560/12235se/
>>> cr/cli3.h
>>> tm#wp1945601
>>>>
>>>>
>>>>
>>>> --- nhatphuc <nhatphuc@gmail.com> wrote:
>>>>
>>>>> Hi Group,
>>>>>
>>>>> Can you give me the link to "spanning-tree
>> pathcost
>>>>> method" command of 3550
>>>>> or 3560? I've surfed the CiscoDoc but hasn't
>> found.
>>>>>
>>>>> Thanks
>>>>>
>>>>> Phuc
>>>>>
>>>>>
>>>>
>>
> _____________________________________________________________________
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>>>
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>
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