About nielshaarbo

nielshaarbo · 03-20-2008

The layout for this problem is:At location #1 there are 4 switches A, B, C and D connected to each other in a small mesh.At location #2 there also are 4 switches E, F, G and H connected to each other in a small mesh.There are several vlans trunked be...

nielshaarbo · 03-27-2008

I have now tried to connect Wireshark (Ethereal) to the "open end" of my second fiber connection. And it does show that bpdu packets are received from the switch in the other end of the fiber connection. It shows bpdu packets for every vlan (also vla...

nielshaarbo · 03-20-2008

Hmmm, some of the switches have "Bpdu filter is enabled internally" and some don't.I don't see a logical pattern on this though. I tried to "shutdown" + "no shutdown" some of the interfaces, but no luck. And there is nothing in the running conf that ...

nielshaarbo · 03-20-2008

Thank you very much Francois!Now I know for sure that BPDUs are not transmitted accross the fiber connection for vlan 1 but for other vlans. Please look at the attached txt-document.I have three options now (at least):#1: Tell my current fiber provid...

nielshaarbo · 03-20-2008

Oh, sorry Edison.I have pasted the output from switch D and not A. Please find the correct version attached.I think Francois is on to someting, too. But I am not sure how to debug the BPDU transmission between D and E. Is it possible to do using "swi...

nielshaarbo · 03-20-2008

Hi Francois,Thanks for the reply!I am not aware of any changes on my part that could initiate the broadcast storm. That is why I blaim the fiber-provider. One thing that I forgot to mention is that on every end of the fiber there is a "box" which con...

Member Since	‎03-20-2008 08:57 AM
Date Last Visited	‎08-18-2017 03:53 AM
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Two roots for vlan 1 and only vlan 1

Re: Two roots for vlan 1 and only vlan 1

Re: Two roots for vlan 1 and only vlan 1

Re: Two roots for vlan 1 and only vlan 1

Re: Two roots for vlan 1 and only vlan 1

Re: Two roots for vlan 1 and only vlan 1