把路由器做成dhcpserver

王朝other·作者佚名 2008-05-19

宽屏版字体: 小|中|大|超大

把路由器做成dhcp server

拓扑 linux---(e0)2514(e1)----xp

把pc设为自动获得ip地址

看来也可以把一个3层的交换机设为dhcp server分了几个网段（vlan）就设几个pool

但若是在一个大的网络环境中，这显然是加重了3层交换机的负担，各位作售前的前辈，有过这样的设计吗？给分析分析这个解决方法好吗？

Trace#sh ru

Building configuration...

Current configuration : 1035 bytes

version 12.1

no service single-slot-reload-enable

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

hostname Trace

logging rate-limit console 10 except errors

ip subnet-zero

no ip finger

no ip domain-lookup

ip dhcp pool lan1

network 192.168.1.0 255.255.255.0

default-router 192.168.1.1

dns-server 1.1.1.1

lease 0 0 30

ip dhcp pool lan2

network 192.168.2.0 255.255.255.0

dns-server 1.1.1.1

default-router 192.168.2.1

lease 0 0 30

cns event-service server

interface Ethernet0

ip address 192.168.1.1 255.255.255.0

no keepalive

interface Ethernet1

ip address 192.168.2.1 255.255.255.0

no keepalive

interface Serial0

no ip address

shutdown

no fair-queue

interface Serial1

no ip address

shutdown

ip kerberos source-interface any

ip classless

no ip http server

alias exec sr sh ru

alias exec ct conf t

alias exec sir sh ip ro

line con 0

exec-timeout 0 0

logging synchronous

transport input none

line aux 0

line vty 0 4

end

Trace#debug ip dhcp server events

00:42:23: DHCPD: assigned IP address 192.168.1.2 to client 0152.54ab.2a47.92.

Trace#

00:42:25: DHCPD: assigned IP address 192.168.2.2 to client 0100.000e.82e9.d4.

Trace#sh ip dhcp binding

IP address Hardware address Lease expiration Type

192.168.1.2 0152.54ab.2a47.92 Mar 01 1993 01:12 AM Automatic

192.168.2.2 0100.000e.82e9.d4 Mar 01 1993 01:12 AM Automatic

Trace#sh ip dhcp server statistics

Memory usage 14019

Address pools 2

Database agents 0

Automatic bindings 2

Manual bindings 0

Expired bindings 0

Malformed messages 0

Message Received

BOOTREQUEST 0

DHCPDISCOVER 3

DHCPREQUEST 4

DHCPDECLINE 0

DHCPRELEASE 0

DHCPINform 0

Message Sent

BOOTREPLY 0

DHCPOFFER 3

DHCPACK 4

DHCPNAK 0

Trace#

C:ipconfig/all

Ethernet adapter 本地连接:

Connection-specific DNS Suffix . :

Description . . . . . . . . . . . : Fujitsu FMV-J182A

Physical Address. . . . . . . . . : 00-00-0E-82-E9-D4

Dhcp Enabled. . . . . . . . . . . : Yes

Autoconfiguration Enabled . . . . : Yes

IP Address. . . . . . . . . . . . : 192.168.2.2

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . : 192.168.2.1

DHCP Server . . . . . . . . . . . : 192.168.2.1

DNS Servers . . . . . . . . . . . : 1.1.1.1

Lease Obtained. . . . . . . . . . : 2003年2月7日 11:47:01

Lease Expires . . . . . . . . . . : 2003年2月7日 12:17:01

C:\ping 192.168.1.2

Pinging 192.168.1.2 with 32 bytes of data:

Reply from 192.168.1.2: bytes=32 time=1ms TTL=254

Ping statistics for 192.168.1.2:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 1ms, Maximum = 1ms, Average = 1ms

Trace#