Re: Simple Spanning Tree Question

From: Alessandro Braga <sandro.unix_at_gmail.com>
Date: Sun, 20 Jun 2010 11:21:40 -0300

Muzammil,

If you do a "show version" on the switch, the "Base" MAC address (of the
switch)is shown.

Regards.

2010/6/20 Muzammil Malick <malickmuz_at_gmail.com>

> Thanks guys
>
> On 19 June 2010 22:02, Taufik Kurniawan <ktaufik_at_gmail.com> wrote:
>
> > Usually It shows the mac of the switch with .... 0019.307b.0000 instead
> of
> > 0019.307b.0f80 ( which is i believe the mac of the port )
> >
> > I think if it shows in the sh span brief , it will show also in sh mac-ad
> > if it is shown as root, it will be shown also in the span tree of other
> > switch
> >
> > cheers,
> >
> >
> > On 19 June 2010 22:36, Muzammil Malick <malickmuz_at_gmail.com> wrote:
> >
> >> Hi Guys
> >>
> >> Im a bit confused:
> >>
> >> Rack1SW1#sh spanning-tree vlan 10
> >>
> >> VLAN0010
> >> Spanning tree enabled protocol ieee
> >> Root ID Priority 24586
> >> Address 0019.307b.0f80
> >> This bridge is the root
> >> Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
> >>
> >> Bridge ID Priority 24586 (priority 24576 sys-id-ext 10)
> >> Address 0019.307b.0f80
> >> Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
> >> Aging Time 300
> >>
> >> If this bridge is the root, when I do sh mac-address-table
> >> address 0019.307b.0f80
> >>
> >> should I not see this as a local address?
> >>
> >> Im sure in the past I have been on a non-root switch and traced this mac
> >> all
> >> they way back to the root.
> >> Now whichever switch I check in the topology they list this mac as the
> >> root
> >> in show spanning-tree output but cannot see it in the mac table.
> >>
> >> Im obviously missing something simple here. Any help?
> >>
> >>
> >> Thanks
> >>
> >>
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> >>
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>
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>
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Received on Sun Jun 20 2010 - 11:21:40 ART

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