, , DHCP (Dynamic Host Configuration Protocol). , Cisco.
Cisco, Cisco IOS, DHCP . IPv4 DHCP .
IPv4
, DHCP , IPv4 (), . , IP , , , , . , ip dhcp excluded-address. , , .
, 192.168.1.254 192.168.1.1 192.168.1.9
Router(config)# ip dhcp excluded-address 192.168.1.254 Router(config)# ip dhcp excluded-address 192.168.1.1 192.168.1.9
DHCP
DHCP , . ip dhcp pool [_]. network [_][/_] default-router[_default_gateway] ( 8 ).
, DNS ( dns-server []), ( domain-name []), NetBIOS WINS ( netbios-name-server[]), ( lease [___], , , ). 1 .
Router(config)# ip dhcp pool POOL-1 Router(dhcp-config)# network 192.168.1.0 255.255.255.0 Router(dhcp-config)# default-router 192.168.1.1 Router(dhcp-config)# dns-server 192.168.1.2 Router(dhcp-config)# domain-name merionet.ru Router(dhcp-config)# lease 2
show ip dhcp binding, IP MAC , DHCP . show ip dhcp server statistics, DHCP , DHCP . Windows, , ipconfig /all, Linux ifconfig.
DHCP (DHCP Relay)
, . DHCP , , . ip helper-address [_DHCP-], , broadcast DHCP unicast DHCP , .
Router_2(config)# interface g0/0 Router_2(config-if)# ip helper-address 192.168.1.1
DHCP
IP DHCP, -. ip address dhcp, DHCP .
Router_3(config)# interface g0/0 Router_3(config-if)# ip address dhcp