RIP Configuration Example

The following figure illustrates a switch with three VLANs defined as follows:

  • Finance
    • Protocol-sensitive VLAN using the IP protocol.

    • All ports on slots 1 and 3 have been assigned.

    • IP address 192.207.35.1.

  • Personnel
    • Protocol-sensitive VLAN using the IP protocol.

    • All ports on slots 2 and 4 have been assigned.

    • IP address 192.207.36.1.

  • MyCompany
    • Port-based VLAN.

    • All ports on slots 1 through 4 have been assigned.

This example does use protocol-sensitive VLANs that admit only IP packets. This is not a common requirement for most networks. In most cases, VLANs will admit different types of packets to be forwarded to the hosts and servers on the network.
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RIP Configuration Example
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The stations connected to the system generate a combination of IP traffic and NetBIOS traffic. The IP traffic is filtered by the protocol-sensitive VLANs. All other traffic is directed to the VLAN MyCompany.

In this configuration, all IP traffic from stations connected to slots 1 and 3 have access to the router by way of the VLAN Finance. Ports on slots 2 and 4 reach the router by way of the VLAN Personnel. All other traffic (NetBIOS) is part of the VLAN MyCompany.

The example in the following figure is configured as follows:

create vlan Finance
create vlan Personnel
create vlan MyCompany
configure Finance protocol ip
configure Personnel protocol ip
configure Finance add port 1:*,3:*
configure Personnel add port 2:*,4:*
configure MyCompany add port all
configure Finance ipaddress 192.207.35.1
configure Personnel ipaddress 192.207.36.1
enable ipforwarding
configure rip add vlan all
enable rip

More commonly, NetBIOS traffic would be allowed on the Finance and Personnel VLANs, but this example shows how to exclude that traffic. To allow the NetBIOS traffic (or other type of traffic) along with the IP traffic, remove the configure finance protocol ip and configure Personnel protocol ip commands from the example.