Re: spanning-tree pathcost method

From: nhatphuc (nhatphuc@gmail.com)
Date: Sat Mar 03 2007 - 13:46:52 ART


I've just checked on IE Forum, this task is removed because the command is
not documented in CiscoDoc

Thanks

On 3/3/07, nhatphuc <nhatphuc@gmail.com> wrote:
>
> Hi,
>
> This command is asked in IEWBv4, Lab4.
>
> As I tested it does have on 3560.
>
> But in the link Antonio posted, this command is unsupported. This is the
> latest doc for 3560.
>
> On 3/3/07, Darby Weaver <darbyweaver@yahoo.com> 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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> > >
> >
> >
> > ================================================
> > = Darby Weaver =
> > ================================================
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> > ================================================



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