ATM Sample Configuration 1

Applying an ATM Service Class

After defining a service class on SSR1 and SSR2, apply them to the VC connection we created earlier.

The following command line applies the service class ‘cbr1m’ to the VC (vpi=0, vci=100) on ATM port at.1.1 of SSR1:

ssr1(config)# atm apply service cbr1m port at.1.1.0.100

The following command line applies the service class ‘cbr1m’ to the VC (vpi=0, vci=100) on ATM port at.2.1 of SSR2:

ssr2(config)# atm apply service cbr1m port at.2.1.0.100

Configuring an Interface on an ATM Port

The next step is to configure an interface for each ATM port. Creating an interface on an ATM port assigns a network IP address and submask on that port, and assigns it to a specified VC (VPI/VCI pair). Since a VC is a connection in the ATM Layer only, creating an interface for an ATM port is necessary to establish a connection in the IP network layer.

You can assign a peer-address to an ATM port interface. This peer-address specifies the IP address for the other end of the VC connection.

Set the IP interface name as ‘atm1’ and IP address as 11.1.100.1/24 on ATM port at.1.1.0.100. The following command line configures the interface on SSR1:

1(config)# interface create ip atm1 address-netmask 11.1.100.1/24 peer- address 11.1.100.2/24 port at.1.1.0.100 up

Set the IP interface name as ‘atm2’ and IP address as 11.1.100.2/24 on ATM port at.2.1.0.100. The following command line configures the interface on SSR2:

ssr2(config)# interface create ip atm2 address-netmask 11.1.100.2/24 peer-address 11.1.100.1/24 port at.2.1.0.100 up

Configuring an IP Route

The next step is to add an IP route which will specify a gateway address to reach a certain subnet. You already configured IP interfaces for both Ethernet ports. VLAN B (connected to IP interface 11.1.2.1/24) belongs to the subnet 11.1.2.0. Similarly, VLAN A (connected to IP interface 11.1.1.1/24) belongs to the subnet 11.1.1.0.

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SmartSwitch Router User Reference Manual

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Cabletron Systems 9032578-05 manual Applying an ATM Service Class, Configuring an Interface on an ATM Port