The following examples enable a socket to send and receive multicast datagrams. The steps needed to send a multicast datagram differ from the steps needed to receive a multicast datagram. Example: Sending a multicast datagram, a server program The following example enables a socket to perform the...
maddress multicast address monitor watch for netlink messages mroute multicast routing cache entry mrule rule in multicast routing policy database neighbourneighn ARP or NDISC cache entry netns manage network namespaces ntable manage the neighbor cache's operation router routing table entry rule rule ...
局域网 LAN(Local Area Network ):通过路由器和交换机把计算机连接在一起 广域网 WAN(Wide Area Network ) //广域网和局域网没有明显的界限,是一个相对的概念,一般把只经过交换机,而不经过路由器的网络称为局域网.经过路由器的叫广域网 局域网的一般原理: 主机向局域网内发数据,其他的所有主机都能收到....
This example output shows users and process IDs for server and client programs, from the old-style RPC services at the top, to the multicast DNS service provided by avahi, and even an IPv6-ready printer service (cupsd). The last two entries show client connections: an SSH connection and a...
This example output shows users and process IDs for server and client programs, from the old-style RPC services at the top, to the multicastDNSservice provided by avahi, and even an IPv6-ready printer service (cupsd). The last two entries show client connections: an SSH connection and a ...
python (1) - an interpreted, interactive, object-oriented programming language [root ~]# whereis ps ps: /usr/bin/ps /usr/share/man/man1/ps.1.gz [root ~]# whereis python python: /usr/bin/python /usr/bin/python2.7 /usr/lib/python2.7 /usr/lib64/python2.7 /etc/python /usr/include...
The 1 bit defines the subnetwork portion of the IP address (which must include at least the network portion). The 0 bits define the host portion. Class D is a multicast address and class E is reserved. As a summary:Figure 6 Nowadays we use classless IP address. That means we subnet th...
2:ens18: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000 link/ether 6e:26:0b:8e:33:8c brd ff:ff:ff:ff:ff:ff altname enp0s18 As you see in the output above, there is one network interfaces namedens18. ...
[root~]#ip address1: lo:<LOOPBACK,UP,LOWER_UP>mtu 65536 qdisc noqueue state UNKNOWN qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 2: eth0:<BROADCAST,MULTICAST,UP,LOWER_UP>mtu 1500 qdisc pfif...