Lost user IPSec transport between two IP communication system to provide end to end information flow security guarantees, such as to ensure that a TCP connection or a UDP datagram security. IPSec tunnel mode is mainly used as intermediate nodes, routers or gateways to provide security guarantees to ensure the connection of a public network or untrusted IP network private IP network to another private IP network to other IP tunnel traffic security. Two modes are required via the Internet key exchange between two computers in a complex security consultations. 1, boot into ROM monitor according to the state, ignore the NVRAM boot. rommon 1> confreg 0x2142 1, to an ordinary WIN98 computer for the terminal, using a dedicated cable connection and set the switch Console port and the computer serial port. WIN98 calls the "Super Terminal" program. Take a new connection to the name easy to remember. Which baud rate: 9600, Data bits: 8 Parity: None, Stop bit: 1 Flow Control: None.
WiFi Metro to provide customers in the United States to leave the firing range the company can be directly switched to other telecommunications companies to provide wireless Internet services, such as Verizon Wireless, Cingular Wireless. But users must also subscribe to the service before the two companies. Currently, there are many telecommunications companies intend to follow up, including VoiceStream Wireless, Spring PCS and Nextel Communications have plans to launch services in the near future. Internet phone networks and wide distribution, but the signal is weak, Wi-Fi network is the transmission speed, but the distance is short, now mostly used in the coffee shop or airport, etc..