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三级_网络技术_43_综合题（报文）

news 来源：原创 2024/9/19 9:36:19

一、

某客户机使用DHCP获取IP地址等信息，其获取lP地址过程中捕获的4条报文及对第2条报文分析如下所示。请分析其中的信息，补全内容。

编号 报文摘要

DHCP:Request, Type:DHCP discover

DHCP:Reply, Type:DHCP__________

DHCP:Request, Type:DHCP Request

DHCP:Reply, Type:DHCP ACK

DLC:---------DLC Heacer-------------------

DLC: Destination =__________

DLC: Source=001122334455

DLC: Ethertype=0800(MP)

IP:D=__________，S=192.168.0.1

__________：D=68，S=67

DHCP:---------------DHCP Header ---------------

DHCP: Boot record type=2(Reply)

DHCP:Hardware address type =1(10M Ethernet)

DHCP:Hardware address length = 6 bytes

DHCP: HopS=0

DHCP: Transaction id=6019121F

DHCP: Elapsed boot time=0 seconds

DHCP: Flags=0000

DHCP:0= no broadcast

DHCP: Client self-assigned address = [0.0.0.0]=[192.168.0.180

DHCP: Next Server to use in bootstrap = [0.0.0.0]

DHCp: Client address

DHCP: Relay Agent= [0.0.0.0]

DHCP: Client hardware address = 001234567890

DHCP: Host name=

DHCP: Boot file name=

DHCP: Vendor Information tag = 53825276

DHCP: Message Type=2

DHCP: Address renewel interval=345600(seconds)

DHCP:Address rebinding interval = 604800(seconds)

DHCP: Request IP Address leased time = 691200 (seconds)

DHCP: Sever lP Address =__________

DHCP: Subnet mask=255.255.255.0

DHCP: Gateway address=[192.168.0.1001

DHCP: Domain Name Server address =[202.106.0.100

offer

ffffffffffff

255.255.255.255

UDP

192.168.0.1

二、

用DHCP服务器对公司内部主机的P地址进行管理，在DHCP客户机上执行"pconfg /al1“得到的部分信息如图(A)所示，该客户机在进行地址续约时捕获的其中1条报文及相关分析如图(8)所示，请分析图中的信息，补全图(B)中的内容。

编号 报文摘要 源IP地址 目的IP地址
__________ __________ DHCP:Request, Type:DHCP__________
DHCP:-----DHCP Header ---

DHCP: Boot record type=1(Request)

DHCP: Hardware address type=1(10M Ethernet)

DHCP: Hardware address length = 6 bytes

DHCP: Hops= 0

DHCP: Transaction id=34191219

DHCP: Elapsed boot time=0 seconds

DHCP: Flags=0000

DHCP: 0= no broadcast

DHCP: Client self-assigned address =__________

DHCP: Client address__________

DHCP: Next Server to use in bootstrap = [0.0.0.0]

DHCP: Relay Agent=「0.0.0.0

DHCP: Client hardware address =001122334455

DHCP: Host names

DHCP: Boot file name

DHCP: Vendor Information tag=53825276=3

DHCP: Message Type

DHCP: Client identifier=01001122334455

DHCP: Hostname= "Host1"

DHCP: Unidentified tag 81

4D53465420352E30

DHCP: Parameter Request List: 11 entries

DHCP: Class identifier

192.168.0.1

192.168.0.101

Request

0.0.0.0

192.168.0.1

三、

公司使用Windows 2003 DHCP服务器对内部主机的IP地址进行管理，DHCP服务器的新建作用域及新建保留配置如图(A)和图(B)所示。

某DHCP客户机从该DHCP服务器获取IP地址过程中，在客户机捕获的4条报文及对第4条报文的分析如下所示。请补充其中的信息。

编号 源IP地址 目的IP地址 报文摘要报文捕获时间
__________ 0.0.0.0DHCP:Request,Type:DHCP discover 2013-06-02 9:07:00

59.64.188.201 255.255.255.255 DHCP:Reply,Type:DHCP offer 2013-06-02 9:07:00

0.0.0.0 255.255.255.255 DHCP:Request, Type:DHCP__________2013-06-02 9:07:00

__________ 255.255.255.255 DHCP:Reply, Type:DHCP ack2013-06-02 9:07:00

DHCP:--------------------0 neacer ------

DHCP: Boot record type = 2 (Reply)

DHCP: Hardware address type = 1(10M Ethernet)

DHCP: Hardware address length = 6 bytes

DHCP: Hops =0

DHCP: Transactionid =2219231D

DHCP: Elapsed boot time =0 seconds

DHCP: Flags =0000

DHCP:0 = no broadcast

DHCP: Client self-assigned address = [0.0.0.0]

DHCP: Client address =__________

DHCP: Next Server to use in bootstrap = [0.0.0.0

DHCP: Relay Agent = [0.0.0.0]

DHCP: Client hardware address =001122334455

DHCP: Message Type = 5 (DHCP Ack)

DHCP: Address renewel interval = 345600(seconds)

DHCP: Address rebinding interval = 604800(seconds)

DHCP: Request IP Address lease time= 691200 (seconds)

DHCP:Subnet mask =__________

255.255.255.255

request

59.64.188.201

59.64.188.100

255.255.255.0

四、

某公司网络管理员使用DHCP服务器对公司内部主机的IP地址进行管理。在某DHCP客户机上连续执行"ipconfa /al"和"ipconfia /renew"命令，执行"ipconfig/a!"得到的部分信息如图(a)所示，执
行"ipconfig /renew"命令时，在客户机捕获的报文及相关分析如图(b)所示。请分析图中的信息，补今字白外内容

编号 源IP地址 目的IP地址 报文摘要 报文捕获时间
1 192.168.0.50__________DHCP:Request,Type: DHCP Request 2013-07-18 09:10:00
2 192.168.0.100__________DHCP: Reply,Type: DHCP ack 2013-07-1809:10:00
DHCP:----------------DHCpHeader-------------------

DHCP: Boot record type = 2(Reply)

DHCP: Hardware address type =1(10M Ethernet)

DHCP: Hardware address length =__________bytes

DHCP: Hops =0

DHCP: Transaction id = 2219121F

DHCP: Elapsed boot time =0 seconds

DHCP: Flags =0000DHCP:0= no broadcast

DHCP: Client self-assiqned address =[0.0.0.0]

DHCP: Client address = [192.168.0.50]

DHCP: Next Server to use in bootstrap = [0.0.0.0]

DHCP: Relay Agent = [0.0.0.0]

DHCP: Client hardware address =__________

DHCP: Host name =

DHCP: Boot file name =

DHCP:VendorInformation tag=53825363

DHCP: Message Type =5 (DHCP Ack)

DHCP:Address renewel interyal= 345600(seconds)

DHCP: Address rebinding interval = 604800(seconds)

DHCP: Request IP Address leased time =691200(seconds)

DHCP: Sever lP Address =[192.168.0.100]

DHCP:Subnet =255.255.255.0

DHCP:Gateway address =[192.168.0.1

DHCP:Domain Name Server address =__________

图(B) 在DHCP客户机上执行ipconfig/renew时捕获的报文及第2条报文的分析

192.168.0.100

192.168.0.50

6

00-16-18-F1-C5-68

192.168.0.100

五、

某网络中DHCP服务器地址为10.0.0.1.MAC地址为00-12-34-56-78-90，可分配|P地址范围为10.0.0.50-10.0.0.100.其中10.0.0.50保留给MAC地址是00-111-22-33-44-55的主机。网络中某客户机从该服务器续约IP地址的过程中，在客户机捕获的2条报文及对第1条报文的分析如下图所示。请补充图中空白处的信息。

编号报文摘要
DHCP:Request, Type:DHCP__________

DHCP:Reply, Type:DHCP__________

DC·--------Dlc Header ----

DLC: Destination=001234567890

DLC: Source=001122334455

DLC: Ethertype=0800(IP)

IP: Destination Address =__________Source Address =__________

UDP: Destination Port= 67, Source Port = 68

DHCP:-DHCP Header -

DHCP: Boot record type =1(Request)

DHCP: Hardware address type = 1 (10M Ethernet)

DHCP: Hardware address length = 6 bytes

DHCP: Hops =0DHCP: Transaction id = 604D121F

DHCp: Elapsed boot time =0 seconds

DHCP: Flags = 0000DHCP: 0 = no broadcast

DHCP: Client self-assigned address =__________

DHCP: Client address =[0.0.0.0]

DHCP: Next Server to use in bootstrap = [0.0.0.0]

DHCP: Relay Agent = [0.0.0.0]

DHCP: Client hardware address = 001122334455

DHCP: Host name =

DHCP: Boot file name = ""

DHCP: Vendor Information tag = 53825276

DHCP: Message Type =3

Request

ACK

10.0.0.1

10.0.0.50

10.0.0.50

六、

某公司网络管理员使用DHCP服务器对公司内部主机的P地址进行管理。在某DHCP客产机上执行“ipconfg/al”得到的部分信息如图(8)所示，在该客户机捕获的部分报文及相关分析如图(b)所示。请分析图中的信息,充图(b)中空白处的内容。

编号 源IP地址 目的IP地址 报文摘要 报文捕获时间

__________ 255.255.255.255 DHCP:Request,Type:DHCP discover 2013-11-18 09:30:05
__________ __________ DHCP:Reply,Type:DHCP__________2013-11-18 09:30:05
DHCP:-----DHCp Header ----
DHCP: Boot record type = 2 (Reply)DHCP: Hardware address type = 1 (10M Ethernet)
DHCP: Hardware address length = 6 bytes
DHCP: HopS =0
DHCP: Transaction id = 3419121F
DHCP:Elapsed boot time =0 seconds
DHCP: Flags = 0000
DHCP: 0 = no broadcast
DHCP: Client self-assiqned address = [0.0.0.0]
DHCP: Client address =__________
DHCP: Next Server to use in bootstrap = [0.0.0.0]DHCP: Relay Agent = [0.0.0.0]DHCP: Client hardware address=112233445566
DHCP: Host name =
DHCP: Boot file name =M
DHCP: Vendor Information tag = 53825276
DHCP:Message Type =2
DHCP:Address renewelinteryal= 345600(seconds)
DHCP:Address rebinding interyal= 604800(seconds)
DHCP: RequestIP Address leased time= 691200(seconds)
DHCP: Sever lP Address = [192.168.0.100]
DHCP: Subnet mask = 255.255.255.0
DHCP: Gateway address = [192.168.0.1]
DHCP: Domain Name Server address = [192.168.0.101]

0.0.0.0

192.168.0.100

255.255.255.255

offer

192.168.0.20

七、

网络管理员使用DHCP服务器对公司内部主机的!P地址进行管理，在DHCP客户机上执行“pconng/a”得到的部分信息如图()所示，该客户机在进行地址续约时捕获的其中1条报文及相关分析如图(6)所示。请分析图中的信息，补充图(b)中空白处的内容。

编号 报文 摘要
1 DHCP:Reply, Type:DHCP__________
IP:----pneader---------------
IP: Protocol =__________
IP: Source address__________
IP: Destination address =__________

DHCP:------DHCP Header

DHCP: Boot record type =2 (Reply)

DHCP: Hardware address type =1 (10M Ethernet)

DHCP: Hardware address length = 6 bytes

DHCP:Hops=0

DHCP:Transactionid=3BDB064C

DHCP: Elapsed boot time =0 seconds

DHCP: Flags = 0000

DHCP:0 = no broadcast

DHCP: Client self-assigned address = [192.168.0.1]

DHCP: Client address =[192.168.0.1]

DHCP: Next Server to use in bootstrap = [0.0.0.0]

DHCP: Relay Agent =__________

DHCP: Client hardware address =001122334455

DHCP: Host name = ""

DHCP: Boot file name =MI

DHCP: Vendor Information tag = 63825363

DHCP: Message Type =5

DHCP: Client identifier= 01001122334455

DHCP:Address renewel interval = 345600(seconds)

DHCP: Address rebinding interval = 604800(seconds)

DHCP: Request IP Address leased time = 691200 (seconds)

DHCP: SeverIP Address = [192.168.0.101

DHCP: Subnet mask=255.255.255.0

ACK

UDP

192.168.0.101

192.168.0.1

0.0.0.0

八、

某公司网络中DHCP服务器可动态分到P地址范围为192.1680100-192.1680200，其中192.1680100保留给MAC地址是00-11-2-33-4-5的丰机，网络中草客户机从该服务器获助P地址的讨程中。在客户机捕获的4条报文及对第4条报文的分析如下所示。请分析其中的信息，补全内容。
编号 报文摘要
1 DHCP:Request. Type:DHCP discover

DHCP:Reply, Type:DHCP offer

3 DHCP:Request, Type:DHCP Request

4 DHCP:Reply, Type:DHCP__________

IP: Destination Address =__________

Source Address =__________

UDP: Destination Port = 67, Source Port = 68

DHCP:-----DHCP Header -----

DHCP: Boot record type = 2 (Reply)

DHCP: Hardware address type = 1 (10M Ethernet)

DHCP: Hardware address length = 6 bytes

DHCP: Hops = 0

DHCP: Transaction id = 604D121F

DHCP: Elapsed boot time = 1024 seconds

DHCP: Flags =0000DHCP: 0 = no broadcast

DHCP: Client self-assigned address = [0.0.0.0]

DHCP: Client address =__________

DHCP: Next Server to use in bootstrap = [0.0.0.0]

DHCP: Relay Agent =__________

DHCP: Client hardware address = 001122334455

DHCP: Host name =

DHCP: Boot file name = ""

DHCP: Vendor Information tag=53825276

DHCP:Message Type=5

DHCP: Address renewel interval = 345600 (seconds)

DHCP:Address rebinding interval= 604800(seconds)

DHCP: Request IP Address leased time = 691200(seconds)

DHCP:ServerlP Address= 192.168.0.1

DHCP: Subnet mask=255.255.255.0

的过程中，在客户机捕获的4条报文及对第4条报文的分析如下图所示。请分析其中的信息，补全内容。

ACK
255.255.255.255
192.168.0.1
192.168.0.100
0.0.0.0

九、

某公司使用DHCP服务器对公司内部主机的IP地址进行管理，已知:该公司共有40个可用IP地址为:59.64.22.11~59.64.22.50DHCP服务器选用Windows 2003 Server，其IP 地址为:59.64.22.12DHCP客户机使用的操作系统是WindowsXP请问答下列问题:

(1)DHCP客户机得到下图所示信息使用的命令是__________

(2)如下图所示DHCP服务器作用域的配置界面中，长度域输入的数值应是__________

(3)在能为客户机分配地址之前,还必须执行的操作是__________

(4)DHCP服务器要为一个客户机分配固定的IP地址时，需要执行的操作是__________

(5)DHCP客户机要释放已获取的IP地址时，使用的命令是__________

ipconfig/all

26

激活作用域

配置【新建保留】对话框中的相关参数

ipconfig/release

十、

在某DHCP客户机上捕获了5条报文，并对第5条报文进行了解析，是在该客户机捕获上述报文后执行ipconfig /al 命令后得到的部分信息。

偏号源P地址目的P地址 报文摘要 报文捕获时间。
1 192.168.1.1 192.168.1.36 DHCP:Request, Type:DHCP release 09:06:55
2 0.0.0.0 255.255.255.255 DHCP:Request,Type:DHCP discover 09:07:00
3 192.168.1.36__________DHCP:Reply, Type:DHCP offer 09:07:00
4 0.0.0.0 255.255.255.255 DHCP:Request, Type:DHCP request 09:07:00
5 192.168.1.36__________DHCP:Reply, Type:DHCP ack 09:07:00

DHCP:-----DHCP Header ---

DHCP: Boot record type = 2 (Reply)

DHCP: Hardware address type = 1(10M Ethernet)

DHCP: Hardware address length = 6 bytes

DHCP: Hops =0

DHCP: Transaction id = 2219131D

DHCP: Elapsed boot time =0 seconds

DHCP: Flags = 0000

DHCP: 0 = no broadcast

DHCP: Client self-assigned address = [0.0.0.0]

DHCP: Client address = [192.168.1.1]

DHCP: Next Server to use in bootstrap = [0.0.0.0]

DHCP: Relay Agent = [0.0.0.0]

DHCP: Client hardware address = 000F1F2F3F4F

DHCP: Vendor Information tag = 63825363

DHCP: Message Type =5 (DHCP Ack)

DHCP: Address renewel interval = 345600(seconds)

DHCP:Address rebinding interval= 604800(seconds)

DHCP: Request IP Address lease time= 691200(seconds)

DHCP: Subnet mask= 255.255.255.0

DHCP: Gateway address = [192.168.1.100]

DHCP: Domain Name Server address =[202.106.46.151]

在DHCP客户机上捕获的IP报文及相关分析

Ethernet adapter 本地连接:

Connection-specific DNS Suffix .:

Description ...........: Broadcom 440x 10/100 Integrated Controller

Physical Address.__________

DHCP Enabled.__________

IP Address..192.168.1.1

Subnet Mask255.255.255.0

Default Gateway__________

在DHCP客户机执行ipconfig /all 获得的信息

255.255.255.255

255.255.255.255

00-0F-1F-2F-3F-4F

Yes

192.168.1.100

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