[c-nsp] Jumbo Frames Support on Datacenter Switches

[David Prall]

Carlos,
http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6021/product_da
ta_sheet0900aecd8017a72e.html

Layer 2 Features
Jumbo frames on all ports (up to 9216 bytes)

Layer 3 Features
Jumbo frames on all ports (up to 9216 bytes)

David

--
http://dcp.dcptech.com

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Bulleri, Carlos
> Sent: Tuesday, August 24, 2010 10:21 AM
> To: 'cisco-nsp at puck.nether.net'
> Subject: [c-nsp] Jumbo Frames Support on Datacenter Switches
> 
> 
> We currently have a 4500 switch with a SupII+ on our Datacenter and all
> our server farm is ran through it. I'm trying to redesign our
> Architecture to add multiple path to  gain some redundancy so I'm
> trying to replace the one switch with 2 switches directly mounted on
> the server rack.
> 
> I'm looking at the 4900 series as a possibility, I like the capacity
> and throughput as well as the power redundancy options available, but I
> have a question in regards to Jumbo Frame support. The 4500 series will
> only support Jumbo frames on non-blocking ports. This limits the amount
> of ports available and I need to enable this feature on a larger amount
> of ports to increase performance on  our iSCSI storage device. I've
> found no documentation on the 4900 series in regards to jumbo frame
> support and I've even found some references indicating that they have
> the same limitation as their 4500 series predecessors.
> 
> Has anyone successfully implemented Jumbo Frames on a 4900 series?
> Should I be looking on a different line of switches all together??
> 
> 
> 
> Thanks!!
> 
> Carlos.
> 
> 
> 
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