分类：
2012-07-10 14:10:02
在PC的命令提示符上执行：
C:/ip/renew------ 更新IP地址
C:/ipconfig/all---------查看IP地址、WINS、DNS和域名信息
C:/ipconfig/release-----释放地址
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R1(config)#service ?
alignment Control alignment correction and logging
compress-config Compress the nvram configuration file
config TFTP load config files
dhcp Enable DHCP server and relay agent
disable-ip-fast-frag Disable IP particle-based fast fragmentation
exec-callback Enable exec callback
exec-wait Delay EXEC startup on noisy lines
finger Allow responses to finger requests
hide-telnet-addresses Hide destination addresses in telnet command
linenumber enable line number banner for each exec
nagle Enable Nagle's congestion control algorithm
old-slip-prompts Allow old scripts to operate with slip/ppp
pad Enable PAD commands
password-encryption Encrypt system passwords
prompt Enable mode specific prompt
pt-vty-logging Log significant VTY-Async events
sequence-numbers Stamp logger messages with a sequence number
slave-log Enable log capability of slave IPs
tcp-keepalives-in Generate keepalives on idle incoming network
connections
tcp-keepalives-out Generate keepalives on idle outgoing network
connections
tcp-small-servers Enable small TCP servers (e.g., ECHO)
telnet-zeroidle Set TCP window 0 when connection is idle
timestamps Timestamp debug/log messages
udp-small-servers Enable small UDP servers (e.g., ECHO)
R1(config)#service dhcp
R1(config)#no ip dhcp conflict
R1(config)#no ip dhcp conflict logging
R1(config)#ip dhcp pool ccie
R1(dhcp-config)#net 192.168.1.0/24
^
% Invalid input detected at '^' marker.
R1(dhcp-config)#net 192.168.1.0 /24
% Ambiguous command: "net 192.168.1.0 /24"
R1(dhcp-config)#net 192.168.1.0 /24
% Ambiguous command: "net 192.168.1.0 /24"
R1(dhcp-config)#net
R1(dhcp-config)#network ?
A.B.C.D Network number in dotted-decimal notation
R1(dhcp-config)#network 192.168.1.0?
A.B.C.D
R1(dhcp-config)#network 192.168.1.0 ?
/nn or A.B.C.D Network mask or prefix length
R1(dhcp-config)#network 192.168.1.0 /24
R1(dhcp-config)#domain
R1(dhcp-config)#domain-name cisco.com
R1(dhcp-config)#default
R1(dhcp-config)#default-router 192.168.1.2
R1(dhcp-config)#no defaule
R1(dhcp-config)#no defaulr
R1(dhcp-config)#no default
R1(dhcp-config)#no default-router 192.168.1.2
R1(dhcp-config)#default
R1(dhcp-config)#default-router 192.168.1.1
R1(dhcp-config)#net
R1(dhcp-config)#netbi
R1(dhcp-config)#netbios-name
R1(dhcp-config)#netbios-name-server 192.168.1.2
R1(dhcp-config)#dns
R1(dhcp-config)#dns-server 192.168.1.4
R1(dhcp-config)#option
R1(dhcp-config)#option 150 ip 192.168.1.3
R1(dhcp-config)#lease
R1(dhcp-config)#lease infinite
R1(dhcp-config)#ip dh cp excluded
R1(dhcp-config)#ip dh cp excluded
R1(dhcp-config)#ip dh cp excluded-
R1(dhcp-config)#ip dhcp excluded
R1(dhcp-config)#ip dhcp excluded-
R1(dhcp-config)#ip dhcp ?
% Unrecognized command
R1(dhcp-config)#ip dhcp?
% Unrecognized command
R1(dhcp-config)#dhcp ?
% Unrecognized command
R1(dhcp-config)#exclu
R1(dhcp-config)#exclu
R1(dhcp-config)#exclu
R1(dhcp-config)#exclu?
% Unrecognized command
R1(dhcp-config)#?
DHCP pool configuration commands:
accounting Send Accounting Start/Stop messages
bootfile Boot file name
client-identifier Client identifier
client-name Client name
default-router Default routers
dns-server DNS servers
domain-name Domain name
exit Exit from DHCP pool configuration mode
hardware-address Client hardware address
host Client IP address and mask
import Programatically importing DHCP option parameters
lease Address lease time
netbios-name-server NetBIOS (WINS) name servers
netbios-node-type NetBIOS node type
network Network number and mask
next-server Next server in boot process
no Negate a command or set its defaults
option Raw DHCP options
origin Configure the origin of the pool
subnet Subnet allocation commands
update Dynamic updates
utilization Configure various utilization parameters
vrf Associate this pool with a VRF
R1(dhcp-config)#exi
R1(config)#int f
% Incomplete command.
R1(config)#int f1/0
R1(config-if)#no sh
R1(config-if)#
*Nov 21 16:07:30.903: %LINK-3-UPDOWN: Interface FastEthernet1/0, changed state to up
*Nov 21 16:07:31.903: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up
R1(config-if)#int f1/1
R1(config-if)#no sh
R1(config-if)#exit
R1(config)#
*Nov 21 16:07:46.107: %LINK-3-UPDOWN: Interface FastEthernet1/1, changed state to up
*Nov 21 16:07:47.107: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/1, changed state to up
R1(config)#do sh ip dhcp pool
Pool ccie :
Utilization mark (high/low) : 100 / 0
Subnet size (first/next) : 0 / 0
Total addresses : 254
Leased addresses : 0
Pending event : none
1 subnet is currently in the pool :
Current index IP address range Leased addresses
192.168.1.1 192.168.1.1 - 192.168.1.254 0
R1(config)#do sh ip dhcp binding
Bindings from all pools not associated with VRF:
IP address Client-ID/ Lease expiration Type
Hardware address/
User name
R1(config)
