WebMar 22, 2024 · 服务器响应也称为dhcpoffer。 当dhcp服务器接收到客户机请求ip地址的信息时,它就在自己的ip地址池中查找是否有合法的ip地址提供给客户机。如果有,dhcp服务 … 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 …
DHCP Discover/Offer Loop - OpenWrt Forum
WebDec 4, 2024 · DHCPoffer报文为什么是单播的?. 首先是一个发现,然后offer,然后请求与响应,我相信大家都知道这个过程。. 但是还有一个细节就是为什么offer包是一个单播,我们知道在客户机发送发现报文之后是没有自己的IP地址的,那么为什么还能发送单播的数据包。. … WebDHCPOffer Message. DHCP servers on a network that receive a DHCP Discover message respond with a DHCP Offer message, which offers the client an IPv4 address lease. DHCPRequest Message. Clients accept the first offer received by broadcasting a DHCP Request message for the offered IPv4 address. DHCPAcknowledgment Message inch parentheses
Dynamic Host Configuration Protocol DHCP, How DHCP work …
WebJul 22, 2013 · 07-26-2013 04:05 AM. ". The L3 switch performing the role of DHCP Relay Agent looks at the message contents indeed, and uses the chaddr field to learn about the MAC address of the client. It may then use it to encapsulate and address the forwarded OFFER. This may appear as unusual for an L3 switch but the role of DHCP Relay Agent … WebMay 10, 2024 · Think of DHCPREQUEST as your DHCPACCEPT and you'll see they are doing the same thing. The server behaviour is specified in RFC 2131. The message pairs are: DHCPDISCOVER -> DHCPOFFER DHCPREQUEST -> DHCPACK. You propose adding a new DHCPACCEPT message that would do exactly what DHCPREQUEST … 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 … inch parish facebook