Basic IP routing
109
Example of subnet routing
Prior to configuring, you must be connected to the switch Command Line Interface (CLI) as the
administrator.
NOTE: For details about accessing and using any of the menu commands described in this
example, see the HP 10Gb Ethernet BL-c Switch Command Reference.
1. Assign an IP address (or document the existing one) for each router and client workstation.
2. In the example topology, the following IP addresses are used:
Table 20 Subnet routing example: IP address assignments
Subnet Devices IP Addresses
1 Primary and Secondary Default Routers 205.21.17.1 and 205.21.17.2
2 First Floor Client Workstations 100.20.10.2-254
3 Second Floor Client Workstations 131.15.15.2-254
4 Common Servers 206.30.15.2-254
3. Assign an IP interface for each subnet attached to the switch.
4. Since there are four IP subnets connected to the switch, four IP interfaces are needed:
Table 21 Subnet routing example: IP interface assignments
Interface Devices IP Interface Address
IF 1 Primary and Secondary Default Routers 205.21.17.3
IF 2 First Floor Client Workstations 100.20.10.1
IF 3 Second Floor Client Workstations 131.15.15.1
IF 4 Common Servers 206.30.15.1
5. IP interfaces are configured using the following commands at the CLI:
>> # /cfg/l3/if 1 (Select IP interface 1)
>> IP Interface 1# addr 205.21.17.3 (Assign IP address)
>> IP Interface 1# ena (Enable IP interface 1)
>> IP Interface 1# ../if 2 (Select IP interface 2)
>> IP Interface 2# addr 100.20.10.1 (Assign IP address)
>> IP Interface 2# ena (Enable IP interface 2)
>> IP Interface 2# ../if 3 (Select IP interface 3)
>> IP Interface 3# addr 131.15.15.1 (Assign IP address)
>> IP Interface 3# ena (Enable IP interface 3)
>> IP Interface 3# ../if 4 (Select IP interface 4)
>> IP Interface 4# addr 206.30.15.1 (Assign IP address)
>> IP Interface 4# ena (Enable IP interface 5)
6. Set each server and workstation’s default gateway to the appropriate switch IP interface (the one in
the same subnet as the server or workstation).
7. Configure the default gateways to the routers’ addresses.
