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Francois Tallet
‎08-18-2017
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Member since ‎06-19-2002
756
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869
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88
Solutions

FabricPath STP root requirement

Created by in Switching
04-19-2013
04-19-2013
Hi Ulrich,This is purely for simplifying the implementation at that stage. There are two STP roles t...

Re: What does MST run at the region boundry?

Created by in Switching
05-26-2011
05-26-2011
Peter,I've just come across this thread by chance, I unfortunately don't follow this forum any more ...

Re: Mixed MSTP and RSTP networks

Created by in Switching
02-12-2010
02-12-2010
Hi Kevin,You are right on all your points. Basically, RSTP is run between MST region, and an RSTP br...

Re: MSTP Problems - Help is needed

Created by in Switching
01-21-2010
01-21-2010
Hi Guiseppe, Nuno,Instance 0 always exists, even if there are no vlan mapped to it (it's the excepti...

Re: STP fine tuning

Created by in Switching
01-05-2010
01-05-2010
I guess your firewall is operating in transparent mode. Basically you a have an ingress vlan and an ...

Re: Stack port in STP incosistent state

Created by in Switching
01-05-2010
01-05-2010
The hardware of the stack port cannot block, and they cannot introduce a loop either. BPDUs are sent...

Re: Mixed MSTP and RSTP networks

Created by in Switching
12-03-2009
12-03-2009
Hi Kevin,MST and RSTP were designed from the ground up to interact together. You can see MST as bein...

Re: MSTP compliant & vlan 1002 1003 1004 1005

Created by in Switching
11-13-2009
11-13-2009
Hi,Don't worry about the vlans. For MST, what count is the vlan to instance mapping. Basically, the ...

Re: BPDUguard does not shut down port when bridge connected

Created by in Switching
11-11-2009
11-11-2009
Could be a timing issue too. F0/10 is designated. That means typically that the bridge on the remote...

Re: Mixing PVRST and RSTP

Created by in Switching
10-16-2009
10-16-2009
The interaction here is between cisco proprietary PVST style RSTP and IEEE standard RSTP. What's goi...

Re: Easy question on STP and impact on VLAN

Created by in Switching
10-08-2009
10-08-2009
If you reboot switch B, switch A will remain the root;-) This should not introduce any change on the...

Re: Easy question on STP and impact on VLAN

Created by in Switching
10-08-2009
10-08-2009
I guess that Layer3Switch is connecting via switchports to A and B, else A and B are in different br...

Re: 6500 (bridge # protocol ieee)

Created by in Switching
10-01-2009
10-01-2009
The "ieee" protocol is supported on switchports. Even on the 5k, it was not recommended to use ieee ...

Re: MST Boundary Problems

Created by in Switching
09-28-2009
09-28-2009
I can remember a case escalated from the TAC, where no-one could see the difference between two regi...

Re: MST Boundary Problems

Created by in Switching
09-28-2009
09-28-2009
In random closet config, I see vlan 201 being mapped to instance 0 instead of instance 1 in dist A &...
Public Statistics
Date Registered ‎06-19-2002 06:48 PM
Date Last Visited ‎08-18-2017 03:56 AM
Total Messages Posted 756
Total Helpful Votes Received 869
Helpful Votes Given To