From: boby2kusa@hotmail.com
Date: Thu Jun 19 2003 - 18:26:50 GMT-3
That is exactly right. SMI have limited routing capability. EMI have full
routing capability and fulle support for all dynamic routing protocols.
http://www.cisco.com/en/US/products/hw/switches/ps646/prod_release_note09186
a00800c6f5c.html#
The Catalyst 3550 switch is supported by either the SMI, which provides
Layer 2+ features and basic Layer 3 routing, or the EMI, which provides
Layer 2+ features, full Layer 3 routing, and advanced services. All Catalyst
3550 Gigabit Ethernet switches are shipped with the EMI installed. Catalyst
3550 Fast Ethernet switches are shipped with either the SMI or the EMI
installed. After initial deployment, you can order the Enhanced Multilayer
Software Image Upgrade kit to upgrade the Catalyst 3550 Fast Ethernet
switches from the SMI to the EMI.
----- Original Message -----
From: "MADMAN" <dave@interprise.com>
To: "Pratt, Jeremy" <JPratt@coh.org>
Cc: "'Larry Letterman'" <lletterm@cisco.com>; "'Emad '" <emad@zakq8.com>;
<ccielab@groupstudy.com>
Sent: Thursday, June 19, 2003 2:08 PM
Subject: Re: CAT3550: SMI and EMI version
> SMI does have some routing, statics and RIP at least if I recall.
> I'm sure I'll be corrected if off base;)
>
> Dave
>
>
>
> Pratt, Jeremy wrote:
> > You're right, SMI is a basic layer 2 switch, EMI is a switch/router.
> >
> > I use my 3550's with EMI to terminate a vlan group that resides only on
> > that
> > switch. I then use L3 uplinks to the distribution 4507's. This way there
> > are
> > absolutely no spanning tree issues that arise and affect the
> > infrastructure.
> >
> > -----Original Message-----
> > From: Larry Letterman [mailto:lletterm@cisco.com]
> > Sent: Thursday, June 19, 2003 1:12 PM
> > To: 'Emad '; ccielab@groupstudy.com
> > Subject: RE: CAT3550: SMI and EMI version
> >
> >
> > The routing commands in the smi are either not supported or don't
> > exist..
> > I believe that's the main difference..however I will be corrected I am
> > sure :)
> >
> >
> > Larry Letterman
> > Cisco Systems
> >
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Emad
> > Sent: Thursday, June 19, 2003 12:50 PM
> > To: ccielab@groupstudy.com
> > Subject: CAT3550: SMI and EMI version
> >
> >
> > Folks,
> > I know how to distinguish between the SMI and the Emi versions from the
> > flash file itself , but what is the difference in commands and features
> > between both? thanx
> >
> >
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> --
> David Madland
> CCIE# 2016
> Sr. Network Engineer
> Qwest Communications
> 612-664-3367
>
> "Government can do something for the people only in proportion as it
> can do something to the people." -- Thomas Jefferson
>
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