On Jan 13, 2011, at 11:51 AM, Jack Bates wrote: > On 1/13/2011 1:48 PM, Michael Ruiz wrote: >> Yeah another thing I love about the JUNOS is the rollback command. Whew >> I can tell you a few times where that has saved my bacon a few times and >> the commit and check command.:-) > > Cisco IOS has a similar feature. > > reload in 5 > make changes > verify things are working > reload cancel > > It's a little different on a redundant processor system, as you have to > reload both processors. It's also a 2-20 minute outage while you reload, but > it does beat 2 hour drives. > > > Jack
Not at all the same... With JunOS, I can have the changes I made running for days, but, when some problem is later discovered I can still rollback to the previous (or several revisions back). I can easily compare the current config to several previous revisions, etc. Additionally, with JunOS I can make all my changes, verify them syntactically, compare the changes made to the previous configuration all without having the changes take effect during the process. Then, when I'm satisfied I have it right, I commit the configuration. If you've ever had to play the IOS ACL rotation game, you know how wonderful this feature is. Cisco's half-hearted attempt to play catch-up here is woefully inadequate. Owen
