how to configure dns ,dhcp in switch 3860

Unanswered Question
Mar 19th, 2010

hi folks

am new to cisco  am having a switch 3860 it is configured dhcp , dns  i want to change

those dhcp , dns  , please let me what are the command that is use to reconfigure it

thanks

shahid

I have this problem too.
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greenbrier33 Wed, 03/06/2013 - 06:14

Shahid,

To configure Cisco IOS DHCP, follow these steps, which include sample commands:

  1. Configure an IP address on the router's Ethernet port, and bring up the interface. (On an existing router, you would have already done this.)

Router(config)# interface ethernet0/0
Router(config-if)#ip address 1.1.1.1 255.0.0.0
Router(config-if)# no shutdown

  1. Create a DHCP IP address pool for the IP addresses you want to use.

Router(config)# ip dhcp pool mypool

  1. Specify the network and subnet for the addresses you want to use from the pool.

Router(dhcp-config)# network 1.1.1.0 /8  

  1. Specify the DNS domain name for the clients.

Router(dhcp-config)#domain-name mydomain.com

  1. Specify the primary and secondary DNS servers.

Router(dhcp-config)#dns-server 1.1.1.10 1.1.1.11

  1. Specify the default router (i.e., default gateway).

Router(dhcp-config)#default-router 1.1.1.1

  1. Specify the lease duration for the addresses you're using from the pool.

Router(dhcp-config)#lease 7

  1. Exit Pool Configuration Mode.

Router(dhcp-config)#exit

Hope this helps,

David 

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