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Using Vlans To Segregate Broadcast Domains - HP 438031-B21 - 1:10Gb Ethernet BL-c Switch Application Manual

Hp 1:10gb ethernet bl-c switch for c-class bladesystem application guide.
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8.
Configuring the default gateways allows the switch to send outbound traffic to the routers:
>> IP Interface 5# ../gw 1
>> Default gateway 1# addr 205.21.17.1(Assign IP address)
>> Default gateway 1# ena
>> Default gateway 1# ../gw 2
>> Default gateway 2# addr 205.21.17.2 (Assign address)
>> Default gateway 2# ena
9.
Enable, apply, and verify the configuration.
>> Default gateway 2# ../fwrd
>> IP Forwarding# on
>> IP Forwarding# apply
>> IP Forwarding# /cfg/l3/cur
10.
Examine the resulting information. If any settings are incorrect, make the appropriate changes.
11.
Save your new configuration changes.
>> IP# save

Using VLANs to segregate broadcast domains

In the previous example, devices that share a common IP network are all in the same broadcast domain. If
you want to limit the broadcasts on your network, you could use VLANs to create distinct broadcast
domains. For example, as shown in the following procedure, you could create one VLAN for the client
trunks, one for the routers, and one for the servers.
In this example, you are adding to the previous configuration.
1.
Determine which switch ports and IP interfaces belong to which VLANs.
2.
The following table adds port and VLAN information:
Subnet routing example: Optional VLAN ports
Table 22
VLAN
Devices
1
First Floor Client Workstations
Second Floor Client Workstations
2
Primary Default Router
Secondary Default Router
3
Common Servers 1
Common Servers 2
3.
Add the switch ports to their respective VLANs.
(Select primary default gateway)
(Enable primary default gateway)
(Select secondary default gateway)
(Enable secondary default gateway)
(Select the IP Forwarding Menu)
(Turn IP forwarding on)
(Make your changes active)
(View current IP settings)
(Save for restore after reboot)
IP Interface
Switch Port
2
20
3
21
1
22
1
23
4
1
4
2
Basic IP routing
VLAN #
1
1
2
2
3
3
108

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