Products: Cisco IOS SoftwareIOS Type: c7200-adventerprisek9-mz.122-33.SRC1.binVersion 12.2(33)SRC1, Compiled Tru 22-May -08We are doing some research about IS-IS with the network as below:R0 ------ R1R0 is in area 20, 40R1 is in area 10, 30, 20Both t...