Hi It should be 255.255.252.0 because the first 6 bits are matching for 8,9,10 and 11 I think u have missed the 6 bit. THe first 6 bits in the third octet matches for all four and the last two bits are not matching So first 6 bits are fixed and the remaining two bits are changing bits.. so it should be 0.0.3.255 for wildcard
On Mon, Feb 6, 2012 at 6:03 AM, WaLeEd AlShErIf <[email protected]>wrote: > Hi all , > > In Workbook 2 Lab 9 Task 3.1 , the question request to not use > "summary-address " to advertise the networks 140.10.11.0 - 140.10.8.0 from > R9 to R8 , why in the DSG the answer has summary-address configured on R9 > interface towards R6 ?. > > > Also, another question : > If I would like to summarize the following networks to be one route with > using the Wildcard Mask : > > 140.10.8.0 > 140.10.9.0 > 140.10.10.0 > 140.10.11.0 > > If I binarized the third octet to : > > 140.10.8.0 = 140.10.00001000.0 > 140.10.9.0 = 140.10.00001001.0 > 140.10.10.0 = 140.10.00001010.0 > 140.10.11.0 = 140.10.00001011.0 > > --> the best mask for then will be / 21 , so the mask will be > 255.255.248.0 , the wildcard mask will be 0.0.7.255 > but in the task , the summary under the EIGRP was 0.0.3.255 ? > > What is your opinion ? > > Best Regards > > Waleed Alsherif > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > -- Problems arise because we talk,problems are not solved because we don't talk So good or bad talk to your affectionate one's freely. Yours Friendly, H P HEMANTH RAJ CCIE#28593 (R&S) Cisco Systems _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
