释义 |
ARP request 基本例句 地址解析协议请求 If Host X sends a broadcast, like anARP requestfor the Layer 2 address of the router, then Switch A will forward the broadcast out all ports.假如主机X送一个广播,例如ARP请求来询问路由器第2层位址,交换器A会将这个广播讯框传送到每个埠。 Hosts have no idea of the physical details of their network and assume it to be a flat network in which they can reach any destination simply by sending anARP request.对于客户端来说;它们并不清楚这个网段的实际物理结构;它们只是把这个网段设想成只要发送ARP查询就能到达任何目的地址的平面网段. In the event that the destination MAC address does not appear in the ARP cache -it might have timed out,for instance- the router must broadcast anARP requestto the subnet referenced by the packet's destination IP address .万一目的地的MAC地址没有出现在ARP高速缓存中,路由器必须向与包的目的IP地址有关的子网广播一个ARP请求, |