Depending on your layout it's very necessary, I know, I took down a supercomputer center several years ago for this very reason. Not knowing what access-list 60 was exactly doing I took it out to modify it, boom loop was created, routing went bizerk, access to computers was gone :( Hard way to learn but I haven't forgotten!!!
Dave Bill Carter wrote: > > Depends...No its not necessary, but what if one misconfigured router starts > advertising lots of bogus networks. It could flood routers on the other > side of the redistribution. What if you are redistributing 10.x.x.x network > into a 172.16.x.x network and an a router on the 172.16.X.X gets > misconfigured and starts advertising 10.x.x.x networks and they get > redistributed into the correct 10.x.x.x network. > > So no it is not necessary in the lab or the real world, but it is good > practice. > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > John Neiberger > Sent: Monday, December 10, 2001 12:19 PM > To: [EMAIL PROTECTED] > Subject: RE: Redistribution and Filtering [7:28699] > > But is it ever necessary if you're only using a single router to do the > redistribution? > > >>> "Bill Carter" 12/10/01 10:55:23 AM >>> > Yes it is overkill. Yes it is good practice to use either route-maps > or > distribute lists. Control is better. > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > William Lijewski > Sent: Monday, December 10, 2001 10:57 AM > To: [EMAIL PROTECTED] > Subject: Redistribution and Filtering [7:28699] > > I have a basic question, kind of... > > When you redistribute between routing protocols, should you ALWAYS use > a > route-map? If there are no loops is it still recommended/required? I > have > been doing it but I want to know if its overkill. > > Thanks, > Bill -- David Madland Sr. Network Engineer CCIE# 2016 Qwest Communications Int. Inc. [EMAIL PROTECTED] 612-664-3367 "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=28744&t=28699 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
