10GBase-t switch

Joel Jaeggli joelja at bogus.com
Mon Mar 15 18:51:37 CDT 2010

On 03/15/2010 04:30 PM, George Bonser wrote:
>> -----Original Message-----
>> From: Dave Temkin
>> Sent: Thursday, March 11, 2010 12:51 PM
>> To: Kevin Oberman
>> Cc: nanog at nanog.org
>> Subject: Re: 10GBase-t switch
>> Can you point to another 1U box that has more than 16MB per-port
>> buffer?
>> -Dave
> Anyone know what the buffer depth is on the Brocade TurboIron 24x?  One
> thing to keep in mind is that neither the Arista nor the Brocade
> TurboIron are store and forward, they are both "cut through" switches
> which means they use less buffering for a given amount of traffic.
> Basically, a packet is already going out the egress interface before it
> is even completely received on the ingress interface.

Strickly speaking when mixed 1Gb/10Gb configurations are supported (as
the original poster was requesting) cut-through forwarding no-longer works.

> I have them (TI24X) in production and they work ok. They are lacking
> some features of the larger switches, though.  No MRP or stp-group
> stuff.  But they are a decent switch for the price.
> George

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