[nsp] Prefix 0.0.0.0/1

[Robert E. Seastrom]

What IOS version are you running?  Is it one that's old enough that
"ip subnet-zero" is not on by default?  Try typing that and "ip
classless" and retrying...

                                        ---Rob


Sonny Franslay <sonnyfranslay@pacific.net.sg> writes:

> Hi gurus,
> 
> I'm trying to redistribute a static route to dest network 0.0.0.0/1 to
> OSPF. However, the prefix is not being seen as an ospf route in the
> network table.
> 
> What I want to achieve is to split the default route to two /1 subnet
> (0.0.0.0/1 and 128.0.0.0/1). I manage to import the 128.0.0.0/1 routes
> into the ospf but not the first half.
> 
> Is there any special requirement in order to do this?
> 
> router ospf 100
>  log-adjacency-changes
>  redistribute connected subnets
>  redistribute static subnets
>  network 192.168.92.0 0.0.0.255 area 0
> !
> ip route 0.0.0.0 128.0.0.0 203.120.92.1
> ip route 128.0.0.0 128.0.0.0 203.120.92.1
> 
> seen from the other router:
> 
> >sho ip route ospf
>      10.0.0.0/24 is subnetted, 4 subnets
> O E2    10.140.140.0 [110/20] via 192.168.92.6, 02:10:11, FastEthernet0/0
> O E2    10.130.130.0 [110/20] via 192.168.92.6, 02:15:11, FastEthernet0/0
> O E2    10.20.20.0 [110/20] via 192.168.92.40, 02:27:02, FastEthernet0/0
> O E2 192.168.188.0/24 [110/20] via 192.168.92.40, 02:27:02,
> FastEthernet0/0
>      192.168.1.0/32 is subnetted, 3 subnets
> O E2    192.168.1.2 [110/20] via 192.168.92.6, 02:20:11, FastEthernet0/0
> O E2    192.168.1.6 [110/110] via 192.168.92.6, 02:25:11, FastEthernet0/0
> O E2 128.0.0.0/1 [110/20] via 192.168.92.6, 02:00:10, FastEthernet0/0
> 
> 
> Many thanks in advance
> 
> sonny
> 
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