gagging vlsm...

forcing a vlsm capable routing protocol to use auto-summary is a bad practice...
without auto-summary.. very pretty...

Gateway of last resort is 192.168.1.100 to network 0.0.0.0


     1.0.0.0/24 is subnetted, 1 subnets
C       1.1.1.0 is directly connected, Loopback0
     2.0.0.0/24 is subnetted, 1 subnets
D       2.2.2.0 [90/2297856] via 10.0.20.2, 2d05h, Serial0/0
     100.0.0.0/24 is subnetted, 1 subnets
D       100.0.0.0 [90/156160] via 192.168.1.100, 2d05h, FastEthernet0/0
                  [90/156160] via 172.16.50.100, 2d05h, FastEthernet0/0.2
D    3.0.0.0/8 [90/156160] via 192.168.1.130, 2d05h, FastEthernet0/0
               [90/156416] via 172.16.50.100, 2d05h, FastEthernet0/0.2
               [90/2297856] via 10.0.30.2, 2d05h, Serial0/1
C    172.16.0.0/16 is directly connected, FastEthernet0/0.2
     10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
D       10.0.0.0/8 [90/2172416] via 192.168.1.130, 00:00:15, FastEthernet0/0
                   [90/2172672] via 172.16.50.100, 00:00:15, FastEthernet0/0.2
C       10.0.30.0/30 is directly connected, Serial0/1
C       10.0.20.0/30 is directly connected, Serial0/0
C    192.168.1.0/24 is directly connected, FastEthernet0/0
S*   0.0.0.0/0 [1/0] via 192.168.1.100

with auto-summary, not pretty...


r2620_01(config-router)#auto-summ
r2620_01(config-router)#
*Mar 27 15:31:52.354: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 192.168.1.50 (F
astEthernet0/0) is resync: peer graceful-restart
*Mar 27 15:31:52.370: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 10.0.30.1 (Seri
al0/0) is resync: peer graceful-restart
r2620_01(config-router)#do sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is 192.168.1.100 to network 0.0.0.0

     1.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C       1.1.1.0/24 is directly connected, Loopback0
D       1.0.0.0/8 is a summary, 00:00:11, Null0
     2.0.0.0/24 is subnetted, 1 subnets
D       2.2.2.0 [90/2297856] via 10.0.20.2, 2d05h, Serial0/0
     100.0.0.0/24 is subnetted, 1 subnets
D       100.0.0.0 [90/156160] via 192.168.1.100, 2d05h, FastEthernet0/0
                  [90/156160] via 172.16.50.100, 2d05h, FastEthernet0/0.2
D    3.0.0.0/8 [90/156160] via 192.168.1.130, 2d05h, FastEthernet0/0
               [90/156416] via 172.16.50.100, 2d05h, FastEthernet0/0.2
               [90/2297856] via 10.0.30.2, 2d05h, Serial0/1
C    172.16.0.0/16 is directly connected, FastEthernet0/0.2
     10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
D       10.0.0.0/8 is a summary, 00:00:13, Null0
C       10.0.30.0/30 is directly connected, Serial0/1
C       10.0.20.0/30 is directly connected, Serial0/0
C    192.168.1.0/24 is directly connected, FastEthernet0/0
S*   0.0.0.0/0 [1/0] via 192.168.1.100
r2620_01(config-router)#


any questions...