Cisco 7609-S Configuration Guide - Page 708
Greenwich Mean Time. Replaced by UTC Coordinated Universal Time in 1967 as the world time
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Glossary F failover, failover mode Fixup Flash, Flash memory FQDN/IP FragGuard FTP Failover lets you configure two FWSMs so that one will take over operation if the other one fails. The FWSM supports two failover configurations, Active/Active failover and Active/Standby failover. Each failover configuration has its own method for determining and performing failover. With Active/Active failover, both units can pass network traffic. This lets you configure load balancing on your network. Active/Active failover is only available on units running in multiple context mode. With Active/Standby failover, only one unit passes traffic while the other unit waits in a standby state. Active/Standby failover is available on units running in either single or multiple context mode. See inspection engine. A nonvolatile storage device used to store the configuration file when the FWSM is powered down. Fully qualified domain name/IP address. IPSec parameter that identifies peers that are security gateways. Provides IP fragment protection and performs full reassembly of all ICMP error messages and virtual reassembly of the remaining IP fragments that are routed through the FWSM. File Transfer Protocol. Part of the TCP/IP protocol stack, used for transferring files between hosts. G GGSN gateway GPRS support node. A wireless gateway that allows mobile cell phone users to access the public data network or specified private IP networks. global Global configuration mode lets you to change the FWSM configuration. All user EXEC, privileged configuration mode EXEC, and global configuration commands are available in this mode. See also user EXEC mode, privileged EXEC mode, command-specific configuration mode. GMT Greenwich Mean Time. Replaced by UTC (Coordinated Universal Time) in 1967 as the world time standard. GPRS general packet radio service. A service defined and standardized by the European Telecommunication Standards Institute. GPRS is an IP-packet-based extension of GSM networks and provides mobile, wireless, data communications GRE Generic Routing Encapsulation described in RFCs 1701 and 1702. GRE is a tunneling protocol that can encapsulate a wide variety of protocol packet types inside IP tunnels, creating a virtual point-to-point link to routers at remote points over an IP network. By connecting multiprotocol subnetworks in a single-protocol backbone environment, IP tunneling using GRE allows network expansion across a single protocol backbone environment. GSM Global System for Mobile Communication. A digital, mobile, radio standard developed for mobile, wireless, voice communications. GSN Global Seamless Network. GL-6 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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