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dhcp [2024/03/14 21:44] 114.119.158.167 old revision restored (2023/11/03 14:24) |
dhcp [2024/03/14 22:05] 114.119.155.78 old revision restored (2022/09/11 17:01) |
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=====DHCP===== | =====DHCP===== | ||
- | Use DHCP to address automatic IP assignment within a network. | ||
- | |||
====Configuration==== | ====Configuration==== | ||
Below is the configuration for DHCP in Cisco' | Below is the configuration for DHCP in Cisco' | ||
< | < | ||
- | R1#sh run | s dhcp | + | R1(dhcp-config)#do sh run | s dhcp |
- | ip dhcp excluded-address 192.168.0.1 192.168.0.49 | + | no ip dhcp use vrf connected |
- | ip dhcp pool MYNETWORK | + | ip dhcp excluded-address 192.168.1.1 192.168.1.49 # exclude range START STOP |
- | | + | ip dhcp excluded-address 172.16.0.1 |
- | | + | ip dhcp pool LAN # Define a pool |
- | R1# | + | |
+ | | ||
+ | | ||
+ | dns-server 192.168.1.1 | ||
+ | lease 0 23 59 # Lease DAYS HRS MINS | ||
</ | </ | ||
====DHCP Relay==== | ====DHCP Relay==== | ||
Relays are configured with **'' | Relays are configured with **'' | ||
+ | |||
+ | The helper address is configured on the interface connected to the subnet which does not contain the DHCP server. | ||
+ | < | ||
+ | interface FastEthernet0/ | ||
+ | ip address 172.16.0.1 255.255.255.0 | ||
+ | ip helper-address 192.168.1.1 | ||
+ | | ||
+ | speed auto | ||
+ | end | ||
+ | |||
+ | </ | ||
====Show Commands==== | ====Show Commands==== | ||
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===Pool Stats=== | ===Pool Stats=== | ||
+ | Note that '' | ||
< | < | ||
R1#sh ip dhcp pool | R1#sh ip dhcp pool |