access port and trunk port in vlan

Tags: netstat TPS state pad extranet Restart making fir inputExample:The steps to open port 10000 are as follows:1, modify the/etc/sysconfig/iptables file, add the following line:-A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 10000-j ACCEPTRestart IptablesService Iptables Restart2, restart the firewall, there are two ways to restart the firewallA) effective after rebootOpen: Chkconfig iptables onOFF: Chkconfig iptables offb) immediate ef

Tags: Ar OS SP strong Div on art BS line Centos6.0 was installed on the virtual machine a while ago, and nginx + PHP + MySQL was configured, but the local machine could not be accessed. I have never been involved. The details are as follows: 1. The local machine can ping the Virtual Machine 2. the VM can also ping the host. 3. virtual machines can access their own web 4. The local machine cannot access its

Sometimes tomcat other machines under Linux can not access, such as the host can not access the Linux virtual machine tomcat, this is because Tocat port, Linux is not open to the outside, so only localhost access, but other machines can not access the solution is as followsE

Angularjs controller cannot access nodejs port 3000, cross-origin access Currently, a project uses angularjs as the front end and nodejs as the backend server. I tried to use the following method to initiate a request to the nodejs Server: $http.get('http://localhost:3000/') .success(function (data) { $scope.index = data;

The topology is the terminal device -- access switch -- aggregation switch -- core switch For example, check the access port of the 192.168.3.1 device. 1. Core Confirm the MAC address and interface of the Terminal Type: S-static D-dynamic M-multiport IP address MAC address vlan id interface aging type 192.168.3.1 0018

Bkjia.com exclusive Article] a switch is an important network device in a LAN. Its performance directly affects the stability of network operation. However, after a long period of work, the switch is prone to damage, so that the LAN working status will be affected; because the switch usually has a low probability of failure, in the event of a fault that causes abnormal Internet access, it is easy to take a detour when troubleshooting the fault. The fa

Intranet IP only in intranet LAN access connection, outside the network is not aware of the intranet IP can not access. If there are routing permissions, and the route has a fixed public IP, can be routed through the port map, to achieve extranet access to the intranet. If no route, or route without public IP, need to

For example, the domain name is free of charge when registering a peanut shell, because it is in the internal network, so the intranet version is used, set the intranet host, after Port ING, save, the Internet access address is automatically generated. How do I set an Internet access address without a port or

QIn NT/2000/XP, how does one read CMOS Data? QIn NT/2000/XP, how does one control the speaker? QIn NT/2000/XP, how does one directly access the physical port? AIt seems like a small problem!In terms of security, reliability, and stability, NT/2000/XP separates applications from the operating system. The operating system code runs in the core State and has the right to a