Hewlett-Packard GbE2c - Blc Layer 2/3 Fiber SFP Option Application Manual
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Brand: HP
Category: Desktop , Enclosure , Other , Printer , Server , Software , Switch
Type: Application manual
Model: HP Xw460c - ProLiant - Blade Workstation , HP GbE2c - Blc Layer 2/3 Fiber SFP Option
Pages: 165 (7.93 Mb)
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Basic IP routing 93
switch. The servers respond as a UDP Unicast message back to the switch, with the default gateway and IP address
for the client. The destination IP address in the server response represents the interface address on the switch that
received the client request. This interface address tells the switch on which VLAN to send the server response to the
client.
DHCP relay agent configuration
To enable the switch to be the BOOTP forwarder, you need to configure the DHCP/BOOTP server IP addresses on the
switch. Generally, you should configure the command on the switch IP interface closest to the client so that the DHCP
server knows from which IP subnet the newly allocated IP address should come.
The following figure shows a basic DHCP network example:
Figure 16 DHCP relay agent configuration
In GbE2c implementation, there is no need for primary or secondary servers. The client request is forwarded to the
BOOTP servers configured on the switch. The use of two servers provides failover redundancy. However, no health
checking is supported.
Use the following commands to configure the switch as a DHCP relay agent:
>> # /cfg/l3/bootp
>> Bootstrap Protocol Relay# addr (Set IP address of BOOTP server)
>> Bootstrap Protocol Relay# addr2 (Set IP address of 2nd BOOTP server)
>> Bootstrap Protocol Relay# on (Globally turn BOOTP relay on)
>> Bootstrap Protocol Relay# off (Globally turn BOOTP relay off)
>> Bootstrap Protocol Relay# cur (Display current configuration)
Additionally, DHCP Relay functionality can be assigned on a per interface basis. Use the following command to
enable the Relay functionality:
>> # /cfg/l3/if <1-256>/relay ena