RE: OT mixed switch types

It works fine. The connections to your 3500XL's will just run Legacy
802.1D.

This is what it would look like to spanning-tree as an example.

show spanning-tree vlan 1

VLAN0001
  Spanning tree enabled protocol rstp
  Root ID Priority 24577
             Address xxxx.xxxx.xxxx
             Cost 3
             Port 1665 (Port-channel1)
             Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

  Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
             Address 00d0.0035.7800
             Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
             Aging Time 300

Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- --------
--------------------------------
Gi3/15 Desg FWD 4 128.271 P2p Peer(STP)
Gi3/16 Desg FWD 4 128.272 P2p
Po1 Root FWD 3 128.1665 P2p

I can say it works because we are doing it.

Regards,
 
Tyson Scott - CCIE #13513 R&S, Security, and SP
Technical Instructor - IPexpert, Inc.
Mailto: tscott_at_ipexpert.com
Telephone: +1.810.326.1444, ext. 208

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Jack
Sent: Monday, May 17, 2010 9:50 AM
To: Cisco certification
Subject: OT mixed switch types

Cisco Catalyst 3500 does not support 802.1w, rapid STP.
In an environment with two 6500 as the core switches, and a mix of 4500,
3750 and 3500's as the server farm and user switches, is it possible to
run 802.1w or 802.1s among those capable switches and 802.1d with the
3500's? If so, how?

Thank you for your help,

Jack

Blogs and organic groups at http://www.ccie.net
Received on Mon May 17 2010 - 11:11:02 ART