Every time you make a change it's applied to the running configuration in memory even if you make sh conf and the change does not appear, but on some cases like NAT changes you need to clear the NAT translation table with "clear xlate".
"write mem" write the changes to flash, so the next time you reboot the fw the new configuration It's loaded. You can also when you make changes se them with "Show" command, for example, a change in "access-list" with "show access-list" etc.
We have some pixes with a lot of configuration changes since we boot up, a year ago.
LTenorio
-----Original Message-----
From: Harry Whitehouse [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, December 12, 2001 5:02 PM
To: [EMAIL PROTECTED]
Subject: PIX: When do config changes take effect?
Hello All!
When I make a config change to my PIX 520, I do a "write mem" and "reload". I know that sequence of commands will always cause the new config to take effect.
But I recently configured an ARP statement in a Cisco router and was surprised to find that config changes could be made "on the fly" without rebooting the router.
So I'm wondering if the same might be true for the PIX. I'm having to tweak some routing statements on the PIX and every time I do I've been "reload'ing" which interrupts our production traffic for a 10-15 second interval. I'm wondering now if just the "write mem" would suffice to implement the config change.
Can someone enlighten me on this?
TIA
Harry
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