Configuring IP Routing 105

example, on router 1, you can add a static route for the Los Angeles network by entering:

ADD -IP ROUte 10.0.0.0 !3 1

This command achieves the same results as the command in which you entered the gateway address 11.0.0.1.

Subnet Masks

Figure 8 Adding a Route Statically in a Subnet Masked Environment

Third floor

IP address 130.10.112.3

!1

Subnet mask 255.255.255.0

Router 4

IP address 130.10.111.3

 

 

!3 Subnet mask 255.255.255.0

 

IP address 130.10.111.4

 

!3 Subnet mask 255.255.255.0

 

Router 3

 

!1 IP address 130.10.110.4

 

Subnet mask 255.255.255.0

Second floor

IP address 130.10.110.5

 

!1 Subnet mask 255.255.255.0

Router 2

 

!3

 

IP address 130.10.109.5

 

Subnet mask 255.255.255.0

!3

IP address 130.10.109.6

 

Subnet mask 255.255.255.0

Router 1

 

 

Host

!1 IP address 130.10.108.6

Subnet mask 255.255.255.0

First floor

You can add a route to a subnet in router 1 using a mask by entering:

ADD -IP ROUte 130.10.112.0 255.255.255.0 130.10.109.5 3

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3Com NETBuilder SI, SuperStack II manual Subnet Masks, Adding a Route Statically in a Subnet Masked Environment
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