某客户机使用DHCP获取IP地址等信息,其获取IP地址过程中捕获的4条报文及对第2条报文分析如下图所示。请分析其中的信息,补全内容。 编号 报文摘要 1 DHCP:Request,Type:DHCP discover 2 D

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问题 某客户机使用DHCP获取IP地址等信息,其获取IP地址过程中捕获的4条报文及对第2条报文分析如下图所示。请分析其中的信息,补全内容。
编号    报文摘要
1       DHCP:Request,Type:DHCP discover
2       DHCP:Reply,Type:DHCP (1)________
3       DHCP:Request,Type: DHCP Request
4       DHCP:Reply,Type:DHCP ACK
DLC:-----DLC Header-------
DLC:Destination = (2)________
DLC:Source = 001122334455
DLC:Ethertype = 0800(IP)
IP:D=(3)________,S=192.168.0.1
(4)________:D=68,S=67
DHCP:----DHCP Header-------
DHCP: Boot record type   =2(Reply)
DHCP: Hardware address type =1(10M Ethernet)
DHCP: Hardware addres 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]
DHCP: Client address =[192.168.0.180]
DHCP: Next Server to use in bootstrap =[0.0.0.0]
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 IP Address = (5)________
DHCP: Subnet mask =255.255.255.0
DHCP: Gateway address =[192.168.0.100]
DHCP: Domain Name Server address =[202.106.0.100]
图  在DHCP 客户机上捕获的报文及第2条报文的分析

选项

答案【1】offer 第二个报文是服务器的"供给"。 【2】001234567890 获取目的主机的mac地址。 【3】192.168.0.180 目的地址为分配给客户端的IP地址。 【4】UDP DHCP服务在传输层采用UDP协议。 【5】192.168.0.1 DHCP服务器的IP地址。

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