Cisco Kit Command delay

So I have all this new Cisco kit from our supplier
3750 core and 2950 edge switches, linked up via fibre optic.
Their engineer has left and now I haven't got any one to configure it up.
So I am trying to learn access control lists so I can start to climb this mountain and begin securing the system myself.
Once I program a list in how long can I expect the cisco system to delay before the command I have just typed in becomes live. Are we talking a couple of minutes 10 minutes or should this be instantaneous.

Cheers
JO
JoCox99Asked:
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pseudocyberCommented:
Properly configured, they should take immediate effect.
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pjtemplinCommented:
And as a been there, done that reminder: if the ACL could have any effect on your ability to configure the unit, either load it in as a different ACL number and then change the reference to which ACL to use, or load it in via TFTP.  Or, make sure you have true out-of-band remote access to the units.

Likewise, be sure to do "no access-list XXX" before re-entering an ACL, otherwise all of your magic adds onto the bottom of the existing ACL.
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JoCox99Author Commented:
Your right
when I get the command right it does indeed take effect immediately
Thanks for the comments aswell pj
Jo
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