From: Ed Lui (edwlui@gmail.com)
Date: Tue Mar 15 2005 - 14:36:19 GMT-3
Any human being out there never made a mistake? :-)
-- Edward (A+, Net+, MCP, MCP+I, MCSE, CCNA, CCNP)On Tue, 15 Mar 2005 17:32:20 -0000, robj <rob@warnerbeach.com> wrote: > ignore me i forgot to advertise the .20 network as well from the other > router! > and this is why i failed the lab:-) > > but you could still do it but with 4 lines again > deny 2.16.1.0 0.3.0.0 > deny 2.20.1.0 0.0.0.0 > deny 2.30.1.0 0.1.0.0 > permit 2.16.1.0 0.15.0.0 > > -----Original Message----- > From: robj [mailto:rob@warnerbeach.com] > Sent: 15 March 2005 17:30 > To: gladston@br.ibm.com; ccielab@groupstudy.com > Subject: RE: Minimal Number of Statements > > I believe you could also do the following..... > deny 2.16.1.0 0.3.0.0 > deny 2.30.1.0 0.1.0.0 > permit 2.16.1.0 0.15.0.0 > > which would give you 3 lines > > -----Original Message----- > From: gladston@br.ibm.com [mailto:gladston@br.ibm.com] > Sent: Monday, March 14, 2005 3:03 PM > To: ccielab@groupstudy.com > Subject: Minimal Number of Statements > > What would you use as a minimal number of statements to achieve the follwing > result? > > Before any filtering, R6 receives these routes: > > r6#sir ei > D 210.16.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.17.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.18.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.19.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.20.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.21.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.23.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.22.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.25.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.24.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.27.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.26.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.29.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.28.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.29.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.30.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.31.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > > Make a filter with the minimal number of statements to allow in just these > routes: > > D 210.21.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.23.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.22.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.25.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.24.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.27.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.26.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.29.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.28.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > D 210.29.1.0/24 [90/2297856] via 150.100.16.1, 00:00:50, Serial0 > > The minimal number I got is four statements: > > permit 210.21.1.0 > permit 210.22.1.0 0.1.0.0 > permit 210.24.1.0 0.3.0.0 > permit 210.28.1.0 0.1.0.0 > > Any other idea? > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html > > ############################################################ > > Building on 40 Years of Leadership - As a global communications leader with > 40 years of experience, Intelsat helps service providers, > broadcasters, corporations and governments deliver information and > entertainment anywhere in the world, instantly, securely and reliably. > > ############################################################ > This email message is for the sole use of the intended > recipient(s) and may contain confidential and privileged > information. Any unauthorized review, use, disclosure or > distribution is prohibited. If you are not the intended > recipient, please contact the sender by reply email and > destroy all copies of the original message. Any views > expressed in this message are those of the individual > sender, except where the sender specifically states them > to be the views of Intelsat, Ltd. and its subsidiaries. > ############################################################ > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html
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