[geeks] Gigabit Ethernet

[Sridhar Ayengar]

Phil Brutsche wrote:
>> Say I have a Gig E switch with three devices plugged into it.  Two of 
>> them are Gig E devices and the third is a half-duplex 10BASE-T device. 
>> Is it safe to run jumbo frames on the two Gig E devices?  How will the 
>> switch cope with that configuration?
> 
> Assuming everything is on the same VLAN: the GigE devices will have
> trouble talking to the 10baseT device.

Ok.

> I don't believe that the ProCurve will drop the packets, I think it's
> more likely that the 10baseT device will simply log the larger packets
> (> ~1522 bytes) as giants and drop 'em.
> 
> If the GigE and 10baseT devices are on separate VLANs all will be well.

So if there's two VLAN's on the network and the two Gig E devices are on 
both of them, and they talk to the 10BASE-T device over the standard-MTU 
VLAN, and to each other over the jumbo-VLAN, everything should work ok, no?

> What model of ProCurve? The "value" switches (ie 2510-24, 2810-24G, etc)
> are the only ones to not support L3 switching.

I believe it's the ProCurve 1800-8G.

Peace...  Sridhar