Sorry for my ignorance, would it be alright if you were to run just EAPS entirely?<br>Or some VLANs resides on Switch A and B but not to the rest?<br><br><br><div class="gmail_quote">On Fri, Jan 8, 2010 at 3:48 AM, Jay Nakamura <span dir="ltr"><<a href="mailto:zeusdadog@gmail.com">zeusdadog@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">I am posting this so if anyone else encounters the same question, they<br>
can find the answer.<br>
According to Extreme support folks, indeed, if the two switches are on<br>
the EAPS ring and you connect ports between the two, you can not avoid<br>
a L2 loop even if those ports are running STP. The solution is to<br>
switch from EAPS to STP.<br>
<div><div></div><div class="h5"><br>
<br>
<br>
On Tue, Jan 5, 2010 at 9:36 PM, Jay Nakamura <<a href="mailto:zeusdadog@gmail.com">zeusdadog@gmail.com</a>> wrote:<br>
> I have a question about using STP and EAPS.<br>
><br>
> If, for example, I have 4 switches on EAPS ring. A -> B -> C -> D -> back to A<br>
><br>
> A & B is at the same location. If I enable STP on the protected VLAN<br>
> for ports not participating in the EAPS ring on switch A and B, and<br>
> accidentally connect a port from switch A and B together, STP won't<br>
> see a loop and block the port, would it? (Since STP on each switch<br>
> doesn't see each other)<br>
><br>
> Is there a way to avoid a loop in this kind of topology while using<br>
> EAPS? Or do I need to go back to RSTP and not use EAPS?<br>
><br>
> Thanks in advance!<br>
><br>
> -Jay<br>
><br>
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