题目内容:
如表1所示,在某DHCP客户机上捕获了4条报文,并对第4条报文进行了解析,表2是在该客户机捕获上述报文后执行ipconfig/all命令得到的部分信息。分析表中的信息,并补全表2中空白处的信息。 表1
编号源IP地址目的IP地址报文摘要 10.0.0.0255.255.255.255 DHCP:Request,Type:DHCP discover 210.3.4.1255.255.255.255DHCP:Reply,Type:DHCP offer 30.0.0.0255.255.255.255DHCP:Request,Type:DHCP request 410.3.4.1255.255.255.255 DHCP:Reply,Type:DHCP ack 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 serf-assigned address=[0.0.0.0] DHCP:Client address=[10.3.4.5] DHCP:Next Server to use in bootstrap=[0.0.0.0] DHCP:Relay Agent=[0.0.0.0] DHCP:Client hardware address=000102030405 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=110.3.4.1 ] DHCP:Domain Name Server address=[10.3.4.100] |
Ethernet adapter本地连接: Connection.specific DNS Suffix.: Description...........:Broadcom 440x 10/100 Integrated Controller Physical Address.........:【11】 Dhcp EnableD. .........【12】 IP AddreSS............:【13】 subnet Mask...........:【14】 Default Gatewav.........:【15】 |
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