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2.9 Configuring an IP Address
The switch ships with the default IP address
192.168.0.1/24
. Connect via the serial port in order to assign
the switch an IP address on your network.
The physical ports (or switchports) of the IC35516 are L2 ports, and cannot have an IP address assigned to
them. By default, each switchport belongs to VLAN 1, a virtual interface (veth1) that may be assigned a
primary, as well as any number of secondary, IP addresses. Use the following instructions to configure an IP
address to the switch. The network administrator may later assign primary IP addresses to any other VLAN
created.
Follow the steps below to change the switch’s IP address.
1. Connect to the console and press Enter at the Password prompt, as described above.
2. The screen will display the user mode prompt, Router>.
3. Type enable. The new prompt is Router#.
4. Type
configure terminal
. The new prompt is Router(config)#.
5. The default IP address is assigned to the veth1 interface. Type interface veth1. The new prompt is
Router(config-if-veth1)#.
6. Type
ip address
and the new address. Your screen will look like this example:
Router> enable
Router# configure terminal
Router(config)# interface veth1
Router(config-if-veth1)# ip address 192.168.123.254 255.255.255.0
Router(config-if-veth1)# end
Router# show interface veth1
Veth1 is up, line protocol is up
Hardware is virtual interface VLAN 1, address is 00:00:94:D2:56:FA
Encapsulation ARPA, Flags: <UP,BROADCAST,RUNNING,MULTICAST>
inet 192.168.123.254/24 broadcast 192.168.123.255
ARP Type: ARPA, ARP Timeout: 14400 seconds
Router# write file
Writing current-config to startup-config. Please wait.
Configuration saved to startup-config file
Router#
It is also acceptable to enter the subnet mask by typing ip address 192.168.123.254/24. Use the
show interface veth1
command from privileged mode to see the new IP address. The new IP address
automatically writes over the default IP address.
See Chapter 5 for more information on assigning IP addresses to interfaces.
2.9.1 Setting a Default IP Gateway Address
To define the default IP gateway for the switch, insert a static route:
Router(config)# ip route 0.0.0.0 255.255.255.255 <gateway IP> <mask>