EIGRP Gateway of last resort

#sh ip route

Gateway of last resort is not set

     3.0.0.0/24 is subnetted, 1 subnets
D 3.3.3.0 [90/409600] via 172.16.34.3, 00:18:07, FastEthernet0/0
     172.16.0.0/16 is variably subnetted, 3 subnets, 2 masks
D 172.16.140.0/24
           [90/409600] via 172.16.34.40, 00:40:13, FastEthernet0/0
C 172.16.40.0/24 is directly connected, Loopback40
C 172.16.34.0/25 is directly connected, FastEthernet0/0

then I applied the command below_____

R4(config)#ip default-network 3.0.0.0

But got this and no gateway of last resort set____

R4(config)#do sh ip ro

Gateway of last resort is not set

 * 3.0.0.0/24 is subnetted, 1 subnets
D 3.3.3.0 [90/409600] via 172.16.34.3, 00:20:26, FastEthernet0/0
     172.16.0.0/16 is variably subnetted, 3 subnets, 2 masks
D 172.16.140.0/24
           [90/409600] via 172.16.34.40, 00:42:33, FastEthernet0/0
C 172.16.40.0/24 is directly connected, Loopback40
C 172.16.34.0/25 is directly connected, FastEthernet0/0

My ios ver is... Cisco IOS Software, 3700 Software
(C3725-ADVENTERPRISEK9-M), Version 12.4(15)T5.

 I'm I getting something wrong here, please help out !

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Received on Sat May 01 2010 - 15:23:26 ART