Yes, you could use /24 subnet masks, and with your addressing scheme this
would be the proper thing to do. Address them like this:
Router1:
Ethernet 0 10.0.1.1 255.255.255.0
Serial 0 10.0.2.1 255.255.255.0
Serial 1 10.0.3.1 255.255.255.0
Router 2:
Ethernet 0 10.0.1.2 255.255.255.0
Serial 0 10.0.2.2 255.255.255.0
Serial 1 10.0.3.2 255.255.255.0
In you examples below, you have inconsistent subnet masks on each end of
your router links. The masks must be consistent and each link must be on
its own subnet.
Another issue, which would make things fun to play with, is the fact that
you have three links between the same two routers. Perhaps you should start
with setting up a single link first, and then add the other links later to
see how it affects your routing.
Good luck!
John
> Ok, I think I have the two routers configured to a point I can now
> attempt to get them communicating:
>
> ~~~~ Router 1 ~~~
>
> Interface IP-Address OK? Method Status
> Protocol
> Ethernet0 unassigned NO unset up
> up
> Serial0 unassigned NO unset up
> down
> Serial1 unassigned NO unset up
> down
>
> The following configuration command script was created:
>
> hostname Router1
> enable secret 5 $1$65ZT$g5jG0qWwUfysQDaaqUEPg1
> enable password cisco1
> line vty 0 4
> password cisco2
> snmp-server community sammi
> !
> no appletalk routing
> no decnet routing
> ip routing
> no clns routing
> no ipx routing
> no vines routing
> no xns routing
> no apollo routing
> no bridge 1
> !
> interface Ethernet0
> ip address 10.0.1.1 255.0.0.0
> no lat enabled
> no mop enabled
> !
> interface Serial0
> ip address 10.0.2.1 255.0.0.0
> no lat enabled
> no mop enabled
> !
> interface Serial1
> ip address 10.0.3.1 255.0.0.0
> no lat enabled
> no mop enabled
> !
> router igrp 1
> redistribute connected
> network 10.0.0.0
> !
> end
>
> ~~~ I should have used 24 bit subnets? 10.0.1.1/24? ~~~
>
> Conn Host Address Byte Idle Conn Name
> 1 R01-1 1.1.1.1 0 0 R01-1
> * 2 r01-2 1.1.1.1 0 0 r01-2
>
>
> ~~~ Router 2 ~~~~
>
> The following configuration command script was created:
>
> hostname Router
> enable secret 5 $1$nax7$Y/fnuG9XNhDT1JFTVViRj0
> enable password cisco1
> line vty 0 4
> password cisco2
> snmp-server community sammi
> !
> no appletalk routing
> no decnet routing
> ip routing
> no clns routing
> no ipx routing
> no vines routing
> no xns routing
> no apollo routing
> no bridge 1
> !
> interface Ethernet0
> ip address 10.0.1.2 255.255.255.252
> no lat enabled
> no mop enabled
> !
> interface Serial0
> ip address 10.0.2.2 255.255.255.252
> no lat enabled
> no mop enabled
> !
> interface Serial1
> ip address 10.0.3.2 255.255.255.252
> no lat enabled
> no mop enabled
> !
> router igrp 1
> redistribute connected
> network 10.0.0.0
> !
> end
>
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