grandstream gateway

502 Bad Gateway error solutionThere are many causes of Nginx 502 errors because of problems with backend servers in proxy mode. These errors are not nginx problems, so you must find the cause from the backend! However, nginx has put all these errors on its own, which makes it highly questionable for nginx promoters. After all, we can understand the word "bad gateway? Isn't it bad nginx? People who

temporarily modify IP address, gateway, hostname, DNS, effective immediately, no restart (after restart)1. Modify Host Name#hostname Slyar2. Modify the IP address (eth0 is the NIC name)#ifconfig eth0 192.168.1.5 netmask 255.255.255.03. Modify the default gateway (Eth0 is the NIC name)#route add default GW 192.168.1.1 Dev eth04. Modify DNS#vim/etc/resolv.confThe CentOS (RedHat) command line permanently modif

　　To create a NAT gateway Describe Creates a NAT gateway in the specified VPC. Some notes: Nat Gateways and "Self-built Snat gateways" (using an ECS as Snat Gateway) are not currently supported in VPC, and if so, undefined product behavior is generated (this usage will be supported in future product iterations) When the Nat

In the advanced properties of the VPN connection, there is an option-"Use a default gateway on a remote network"-what is the benefit of shutting him down? We know that once the VPN server is connected, our local network data will go through the remote server, and the external IP address will become the IP address of the remote server. The domestic VPN is fine, if the United States. Then we will be very slow to visit the domestic network data, the rea

There are several machines in there that do not ping the gateway, but the other machines in the ping switch can ping, and other machines ping the gateway can ping. Then the hardware is discharged, and the main problem is on the routing table of the machine. Look at the routing table. Route-n Destination Gateway genmask Flags Metric Ref use

Win7 How does the system set a default gateway? The specific methods are as follows: 1, open "Control Panel", the "view mode" set to "small icon", and then find and click "Internet Options"; 2, in the Open window, click "Change adapter Settings"; 3. In the open window, right-click "Local Connection" and select "Properties" in the pop-up menu. 4, in the Open Local Connection Properties window to find the Interne

Talk about the background: if there is a user service after the user login, generate a token to the client, the user needs this token each time the request, so each time will be in the Gateway gateways check, check through the gateway from token to parse the UserID, The userid is then delivered to each service.For example, there is now a Java service and a PHP service, the URLs that are accessed from the

mail system can not be achieved. 4. No Archiving service. The old messaging system generally does not provide archiving services, and once a mail system administrator needs to look up an email from a massive historical message, it is simply impossible. In the face of existing mail problems, most colleges and universities, considering the large expansion of students in recent years, many aging information systems need to be replaced, temporarily unable to release more resources to rebuild the

In the day-to-day maintenance of the campus network, the management of hundreds of machines IP address is a more vexing thing. Reality one, campus network of the Internet connection using proxy server or router mode, in order to ensure that the workstations can normally access the Internet, must be in each client to add gateway settings; Two, the school's campus network issued, generally divided into internal and external version, taking into account

Article title: enable internet gateway by default in linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. After the network adapter is restarted, the default route gateway becomes an intranet gateway and cannot be directly

The Gateway technology in the network is also called the inter-network connector and Protocol converter. The gateway implements network interconnection on the transport layer. It is the most complex network interconnection device and is only used for different network interconnection between two high-level protocols. Gateways can be used for both wide-area Internet and Local Internet. A

Router and three-layer switch experiment Demo--a gateway that acts as a two VLAN--Hundred dishes background : We know that routers have routing capabilities, so you know how to configure two gateways on a router interface (such as a two VLAN gateway)? Note that it is on one interface instead of two, and we sometimes use the three-layer switch as a router, so how do we configure the three-tier switch at this

External Gateway Protocol: BGP (Border Gateway Protocol) BGP: the protocol for exchanging route information between as routers of different self-made systems. The Internal Gateway Protocol rip or OSPF is used to send a datagram to the target site from the source site as much as possible in an. However, the external gateway