[ixp1200] IXP1200 or IXF440 maximum MTU

[Botham, Mick]

Tim, The IXF440 will process packets upto the size programmed into the
'Maximium Packet Size' register, although this accepts values upto 15
bits, you should limit this to Jumbo packet length.
Rgds
Mick

-----Original Message-----
From: ixp1200-bounces at lists.cs.princeton.edu
[mailto:ixp1200-bounces at lists.cs.princeton.edu] On Behalf Of Tim Stevens
Sent: 04 March 2004 15:27
To: ixp1200 at lists.cs.princeton.edu
Subject: [ixp1200] IXP1200 or IXF440 maximum MTU


Hi,

Can anyone tell me whether the IXP1200 boards (ours=ENP-2505) are
capable 
of processing ethernet frames larger than 1500 bytes? Or is the IXF440
the 
limiting factor?
I'm asking this because it might be practical to implement VLAN tagging 
802.1Q (this adds 4 bytes to an ethernet frame) or other layer 2
features.

Thanks.

Kind regards,

Tim

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