Re: Simple Spanning Tree Question

From: Paul Negron <negron.paul_at_gmail.com>
Date: Sat, 19 Jun 2010 13:58:21 -0600

I believe that is the base MAC of the switch. That is not designated to a
particular Ethernet port and therefore should not be learned in the
MAC-Address-Table.

On 6/19/10 1:36 PM, "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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Received on Sat Jun 19 2010 - 13:58:21 ART

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