HP ProCurve Secure 7000dl Series Basic Management And Configuration Manual page 600

Secure router procurve 7000dl series

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Dynamic Host Configuration Protocol (DHCP)

Configuring a DHCP Server

After you enable 802.1Q encapsulation (for VLAN tagging) on the Ethernet

interface, you can configure Ethernet subinterfaces. You assign the subinter-

faces a VLAN ID and an IP address. To configure the DHCP scope, you simply

specify that IP address as the default router of the DHCP pool configured for

These are the only configurations that you must make on the ProCurve Secure

Router. You can add options for the server addresses and lease time in the

same way that you would for any pool. (You would also configure the connect-

ing switch to pass DHCP packets from hosts on a specific VLAN to the address

of the corresponding Ethernet subinterface on the router. This configuration

ensures that clients receive an address on the correct subnet.)

Figure 13-4. DHCP Scopes with VLANs

In Figure 13-4, Router A connects to Switch B on its Ethernet 0/1 interface.

Switch B connects to hosts in VLANs 101 and 102. You enable VLAN tagging

on the router so that traffic to both VLANs can be carried over the same cable.

You configure IP address 192.168.1.1 /24 on Ethernet subinterface 0/1.1 and IP

address 192.168.2.1 /24 on Ethernet subinterface 0/1.2.

You would configure the DHCP scopes as follows:

Enable VLAN tagging:

ProCurve(config)# interface eth 0/1

ProCurve(config-eth 0/1)# encapsulation 802.1q

ProCurve(config-eth 0/1)# no shutdown

10.2.1.0 /24

10.3.1.0 /24

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