Chapter 1 Getting to know your Nortel Business Secure Router 222 37Nortel Business Secure Router 222 Configuration — AdvancedSNMPSNMP (Simple Network Management Protocol) is a protocol used for exchangingmanagement information between network devices. SNMP is a member of theTCP/IP protocol suite. Your Business Secure Router supports SNMP agentfunctionality, which means that a manager station can manage and monitor theBusiness Secure Router through the network. The Business Secure Routersupports SNMP versions 1 and 2 (SNMPv1 and SNMPv2).Network Address Translation (NAT)NAT (Network Address Translation — NAT, RFC 1631) translate multiple IPaddresses used within one network to different IP addresses known within anothernetwork.Traffic RedirectTraffic Redirect forwards WAN traffic to a backup gateway when the BusinessSecure Router cannot connect to the Internet, thus acting as an auxiliary backupwhen your regular WAN connection fails.Port ForwardingUse this feature to forward incoming service requests to a server on your localnetwork. You can enter a single port number or a range of port numbers to beforwarded, and the local IP address of the desired server.DHCP (Dynamic Host Configuration Protocol)With DHCP (Dynamic Host Configuration Protocol), individual client computerscan obtain the TCP/IP configuration at start-up from a centralized DHCP server.The Business Secure Router has built in DHCP server capability, enabled bydefault, which means it can assign IP addresses, an IP default gateway, and DNSservers to all systems that support the DHCP client. The Business Secure Routercan also act as a surrogate DHCP server, where it relays IP address assignmentfrom another DHCP server to the clients.
