题目内容:
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 【11】
3 DHCP:Request,Type:DHCP Request
4 DHCP:Reply,Type:DHCP ACK
DLC:- - - - - DLC Heade- - - - -
DLC:Destination=【12】
DLC:Source=001122334455
DLC:Ethertype=0800 f IPl
IP:D=【13】,S=192.168.0.1
【14】:D=68,S=67
DHCP:- - - - - -DHCP Heade- - - - -
DHCP:Boot record type=2(Reply)
DHCP:Hardware address type=1(10M Ethemet)
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]
DHCP:Client address=『192.168.0.180]
DHCP:Next Server to use in bootstrap=[0.O.O.0]
DHCP:Relay Agent=[0.o.o.o]
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=【15】
DHCP:Subnet mask=255.255.255.0
DHCP:GateWay address=[ 192.168.0.100]
DHCP:Domain Name Server address=[202.106.0.100]
参考答案:
答案解析: