From: Church, Chuck (cchurch@netcogov.com)
Date: Wed Oct 13 2004 - 18:57:29 GMT-3
I think the first few versions of 3550 EMI code didn't support BGP.
Maybe that question was written back from the early days of the 3550.
Chuck Church
Lead Design Engineer
CCIE #8776, MCNE, MCSE
Netco Government Services - Design & Implementation Team
1210 N. Parker Rd.
Greenville, SC 29609
Home office: 864-335-9473
Cell: 703-819-3495
cchurch@netcogov.com
PGP key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x4371A48D
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Joe Rinehart
Sent: Wednesday, October 13, 2004 1:02 PM
To: ccielab@groupstudy.com
Subject: Something New (the myths we believe)
Just when you think you have things halfway figured out you realize how
far
off your perceptions can be. I had two "revelations" while working on
the
Netmaster DoIt lab #1 (its pretty grueling, in a good way). There were
two
things that really bit me because I thought I knew these for certain....
Myth#1 A Catalyst 3550 cannot do BGP.
When the lab asked for this I thought it was a joke, and to be honest I
cannot remember where I picked this idea up, but a quick check on the
doc CD
and I found my face turning red (proverbially speaking). I think I was
relying on a "features not supported" on one of the CCIE Cisco Press
study
books... In any case there are some limitations but it does indeed
support
BGP....
Myth#2 Subinterfaces cannot coexist with natural interfaces on the same
physical interface.
This one blew me away. When I read the question I figured it was one of
those "trick answers" that just had to be interpreted, so I did a
multipoint
subinterface and a point to point subinterface. When I was working
though
the answer key I was rather taken aback to see that it was on the
physical
interface. Still a skeptic, I removed the multipoint subinterface, put
the
code on the main interface (leaving the P2P subif) and then reloaded the
router. I was shocked it worked.
I think my reason for posting this is just to see if there have been any
other experiences like this for other folks and what those assumptions
were.
After all, there is a saying about assume.....
Joe Rinehart, CCNP, CCDP
Data Network Consultant, AT&T Corporation
Pacific Northwest Enterprise Markets
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