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Example: Configuring an Address-Assignment Pool

This topic shows a sample address-assignment pool configuration. The configuration includes the dhcp-attributes statement, indicating that the pool is used for DHCP clients.

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address-assignment {
pool isp_1 family inet {
network 192.168.0.0/16;
range southeast {
low 192.168.102.2 high 192.168.102.254;
}
range northeast {
low 192.168.119.2 high 192.168.119.250;
}
host svale6.boston.net {
hardware-address 90:00:00:01:00:01;
ip-address 192.168.44.12;
}
dhcp-attributes {
option-match {
option-82 {
circuit-id fiber range northeast;
}
option-82 {
circuit-id cable_net range southeast;
}
}
boot-file boot.client;
boot-server 192.168.200.100;
grace-period 3600;
maximum-lease-time 18000;
netbios-node-type p-node;
}
router 192.168.44.44 192.168.44.45;
}
}

This example creates address-assignment pool isp-1, which contains two named address ranges, southeast and northeast. The address-assignment pool also contains a static binding for client host sval6.boston.net. If the option 82 circuit-id entry matches the string fiber, then DHCP assigns the client an address from the northeast range. If the option 82 circuit-id matches the string cable_net, DHCP assigns an address from the southeast range.


Published: 2009-07-15

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