Dhcpoffer是广播还是单播
WebApr 5, 2024 · Recently my ethernet connection can't work. Seems that I can't receive DHCP OFFER sending by the DHCP server. My computer : OS : Ubuntu 17.10 Kernel : Linux version 4.13.0-38-generic (buildd@lgw01-
Dhcpoffer是广播还是单播
Did you know?
WebDHCP,动态主机配置协议,前身是BOOTP协议,是一个局域网的网络协议,使用UDP协议工作,常用的2个端口:67 (DHCP server),68 (DHCP client)。. DHCP通常被用于局域网 … WebOct 27, 2024 · and then for testing purposes wanted it to connect to another wireless SSID on a different VLAN. I believe to remember that that caused problems with DHCP as well until I realized and disabled the static lease for the main LAN. Yes that is my edge switch...the problem is I am seeing more and more devices going thru this.
WebMay 16, 2012 · If the 'giaddr' field is zero and the 'ciaddr' field is nonzero, then the server unicasts DHCPOFFER and DHCPACK messages to the address in 'ciaddr'. If 'giaddr' is … WebDec 20, 2024 · Most of my devices make an ACK for an DHCPREQUEST, and then the Windows DHCP immediatly gives them an DHCPOFFER. However some devices like iOS and Chormebooks seems to not follow a standard for thier ACKs for Requests and Offers, as a result, it tajes the device WAY longer to finish these request for an offer, and as a …
WebDec 3, 2016 · If using a Cisco Catalyst switch, you're in luck! Issue the following command! debug ip dhcp server packets. ! terminal monitor. ! Restart the PC and watch the request go, and come back. To turn the debub off, issue: undebug ip dhcp server packets. WebSep 17, 2024 · 关注. 1.DHCP客户端初次接入网络时,会发送DHCP发现报文(DHCP Discover),用于查找和定位DHCP服务器。. 2.DHCP服务器在收到DHCP发现报文后, …
WebJun 13, 2024 · 4 人 赞同了该回答. 问题1:. 这里我们发现抓包看到的是 DHCP Offer 单播 报文,大部分书上描述的是,DHCP Offer 是 广播 报文。. 其实 DHCP Offer 报文有可能是单播,也有可能是广播。. DHCP 在报文 …
WebSep 19, 2024 · Exchange of DHCP message between client and server can either be broadcast or unicast depending on setting of the fields inside in DHCP message in particular, broadcast flags field, client IP address (ciaddr) field and gateway IP address (giaddr) field. Below is a summary note breakdown. *If broadcast flag field is set, the … improve by 提升了WebMay 17, 2012 · 2 Answers. The unicast or broadcast choice is specified in the DHCP RFC 2131: If the 'giaddr' field in a DHCP message from a client is non-zero, the server sends any return messages to the 'DHCP server' port on the BOOTP relay agent whose address appears in 'giaddr'. If the 'giaddr' field is zero and the 'ciaddr' field is nonzero, then the ... lithia poultry farmWebJan 12, 2024 · 单播最大的优点:通信是点对点方式,不会影响到广播域的其它主机。. 广播的特点:通信是点对所有点的方式,会影响到广播域里其它所有主机。. 同学们可能没有 … improve by charityWebJun 20, 2010 · 关于DHCP服务器的offer与ack阶段是单播还是广播的研究. 最近在研究 DHCP 服务器的offer与ack阶段是单播还是广播,上课的时候老师说DHCP分配的四个过程都是使用广播的方式,但是我在我的机子里用wireshark截包分析发现跟老师说的不一样,于是就开始了探寻之跟 ... improve cache hit rateWebDHCP(Dynamic Host Configuration Protocol,动态主机配置协议),前身是BOOTP协议,是一个局域网的网络协议,使用UDP协议工作,统一使用两个IANA分配的端口:67(服务器端),68(客户端)。. DHCP通常被用于局域网环境,主要作用是集中的管理、分配IP地址,使client动态 ... lithia powder coating lithia springs georgiaWebMay 11, 2024 · DHCP OFFER单播还是广播取决于DISCOVER的bootp_flags字段,在windows下bootp_flags=0x8000,OFFER为广播,linux下bootp_flags=0x0 improve by making small changesWebStudy with Quizlet and memorize flashcards containing terms like Refer to the exhibit. A network administrator is configuring a router for DHCPv6 operation. Which conclusion can be drawn based on the commands?, Which message does an IPv4 host use to reply when it receives a DHCPOFFER message from a DHCP server?, In which alternative to … improve by percent