segmenting the office from the DC by subnetting seems like a really easy
win.

On 9/11/13 4:45 AM, Ben Dale wrote:
> Hi Dennis,
> 
> The closest thing Junos has at the moment is root-guard, which would stop 
> your Netgears assuming root for the topology, but AFAIK TCNs would still be 
> accepted and acted upon.
> 
> Are your netgear boxes manageable?  You can't force ports into edge mode to 
> stop this?
> 
> On 11/09/2013, at 8:18 PM, Dennis Hagens <r...@ipaddr.nl> wrote:
> 
>> Hi All,
>>
>> Is there some way to filter out STP TCN BPDU's on a Juniper EX series switch?
>>
>> We have some old Netgears in our office environment (yes, I need to get rid 
>> of those) which send TCN's on edge port flaps.
>> This causes a lot of reconvergence / mac table flushes on our datacenter 
>> switches, which are connected via layer 2 with the office. We currently 
>> hooked up an HP switch with TCN  guard to mitigate this, but this introduces 
>> a SPOF.
>>
>> Any ideas?
>>
>> Thanks,
>>
>> Dennis Hagens
>> _______________________________________________
>> juniper-nsp mailing list juniper-nsp@puck.nether.net
>> https://puck.nether.net/mailman/listinfo/juniper-nsp
>>
> 
> 
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