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I typically would agree Owen, but in this case it may make sense. Everyone will be down already, and we won't have multiple outages to the entire exchange for IP changes. There will be a considerable amount of work if everyone changes addressing on different schedules. I think just saying that on day x we are on the long term strategy will save time in this case. Our topology is pretty basic today so I think the rick would be minimal at this time. Mike Bushard, Jr -----Original Message----- From: MICE Discuss [mailto:[log in to unmask]] On Behalf Of Owen DeLong Sent: Tuesday, August 21, 2012 3:38 PM To: [log in to unmask] Subject: Re: [MICE-DISCUSS] Juniper Switch upgrade As tempting as it is, I would suggest... NO! Multiple changes at the same time are rarely a good idea on critical infrastructure. You end up not knowing which change broke what when it comes time to troubleshoot. While overlapping problems are unlikely in this case, I would say it's still best to do the renumbering as more of an over-time process. There's no reason to do renumbering as a flag day. Owen On Aug 21, 2012, at 12:28 , Doug McIntyre <[log in to unmask]> wrote: > On Mon, Aug 20, 2012 at 11:51:10AM -0500, Mike Horwath wrote: >> On Mon, Aug 20, 2012 at 10:43:43AM -0500, Justin Krejci wrote: >>> That said any time can be convenient if we have some time to adjust >>> BGP configs to move traffic away in advance, which during business >>> hours is typically convenient. >> >> A shutdown of the routing daemons on the reflectors should take care >> of things and no manual BGP configuratin adjustments are needed. > > Do we want to maybe do the big renumbering at the same time as this > switch swapout too? Since things are going to be down, everybody stays > down until they manually redo their interface and BGP configurations > after the switch change? > > Or do we want to do it more gradually? > > -- > Doug McIntyre <[log in to unmask]> > -- ipHouse/Goldengate/Bitstream/ProNS -- > Network Engineer/Provisioning/Jack of all Trades > > ###################################################################### > ## > > To unsubscribe from the MICE-DISCUSS list, click the following link: > http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1