From: Howard C. Berkowitz (hcb@gettcomm.com)
Date: Mon Mar 29 2004 - 00:20:36 GMT-3
At 7:56 AM -0800 3/28/04, Joseph Rinehart wrote:
>?Sometimes the router will slightly alter commands in the active
>configuration when you enter them. I had this happen on an access-list last
>week and it nearly drove me crazy at first.
Something worth knowing to anyone studying for CCIE, but rarely
spelled out specifically, is that the router doesn't just record, or
even alter the commands when you enter them -- it interprets them and
then throws them away. The earlier courses can give you the
impression that the commands are entered are stored somewhere in RAM.
They are not.
On slower routers, did you ever notice the slight delay before "show
running" displays? Show running is essentially a reverse compiler or
formatted dump that goes throgh the data structures of the router and
creates the configuration statements it thinks would have put the
router into the states reflected by the current values of the data
structures. The delay is due to the significant processing involved
in recreating the statements.
>
>I think this is what is happening, and you would need to change it by
>specifying Level-1 in the redistribution statement, I believe the syntax is
>"redistribute isis 1 level-1-only metric 4"
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