VPNSMIntroduction:This document gives basic information about integrated VPN module widely used in 6500 and 7600 series. Virtual Private Network Services moduleThe cisco ip sec vpnsm is a technology that can be incorporated with the Cisco Catalyst 65...

SSHv2 (Secure Shell version 2):The SSHv2 transport protocol provides a reliable, secure, full-duplex data stream between the SSH peers. Secure means that the data is encrypted and has strong integrity checking in place. Full duplex means that there i...

3G The most significant feature of 3G mobile technology is that it supports greater numbers of voice and data customers — especially in urban areas — and higher data rates at lower incremental cost than 2G.It also allows the transmission of 384 kbit/...

Basic defination of a router:A router is a device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WANs or a LAN and itsISP's network. Routers are located at gateways, the places where tw...

UplinkFast is a Cisco specific feature that improves the convergence time of the Spanning-Tree Protocol (STP) in the event of the failure of an uplink. The UplinkFast feature is supported on Cisco Catalyst 4500/4000, 5500/5000, and 6500/6000 series s...