Dynamic Host Configuration Protocol
DHCP (Dynamic Host Configuration Protocol) is a protocol used to provide quick, automatic, and central management for the distribution of IP addresses within a network.
DHCP is also used to configure the proper subnet mask, default gateway, and DNS server information on the device.
DHCP (Dynamic Host Configuration Protocol) is a protocol used to provide quick, automatic, and central management for the distribution of IP addresses within a network.
DHCP is also used to configure the proper subnet mask, default gateway, and DNS server information on the device.
Recall that DHCP clients broadcast their
DHCPDiscover packets, when searching for a DHCP server. What would happen if
the DHCP server is on a different network, separated from the clients by a
router? Routers, by default, will never forward a broadcast. Thus, in the above
example, the client would never be able to reach the DHCP server to acquire its
IP address. That is, unless the ip helper-address command is used.
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