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DI-206 ISDN Remote Router
The first entry assumes that ISDN1 has a connection to the Internet and defines the
default next hop router. If you use this router to connect to the Internet it is very
important that you create an entry here that defines the default next hop router as
your ISP. This configuration is also commonly used when RIP exchanges with other
Internet routers (on ISDN1) are disabled.
The second entry shows how to configure static routes when there is another router
on the LAN. The IP Address shown (202.12.125.0) is the network address for a
branch office, for example. The Gateway Address (210.172.23.1) is the IP address to
the LAN port on another router on the LAN that maintains an ISDN connection to
the branch office.
The third entry is an example of an enterprise ISDN connection (through telephone
lines) to another router, at a branch office for example. The IP Address is the
network address of the branch office. The Gateway Address is the IP Address of the
ISDN port on the branch office router. This configuration assumes there is a modem
on ISDN2 maintaining a dial-up connection to the branch office.
IP Networking
Under the IP Configuration sub-menu, the IP Networking function can toggle to
connect or disconnect this router from the entire IP network.
When IP Networking is disabled, all routing functions are stopped. The only IP
Address the router will act on is its own, via Telnet for example.
Router Advertisement
When this option is enabled, the router will periodically send out ICMP packets that
announce itself on the network. These ICMP packets are utilized by the Windows 98
or later operating system, which will automatically update the default gateway
setting on the computer in which it is installed.
SNMP Agent Configuration
The Simple Network Management Protocol (SNMP), defined in STD 15, RFC 1157,
is a protocol governing the management and the monitoring of IP network devices
and their functions. The DI-206 supports the use of SNMP to acknowledge
communication between management stations and itself. Basically, the DI-206,
when connected to the network, acts as an SNMP agent, a software process that
responds to queries using SNMP to provide status and statistics about the router.
Following is a description of how to configure the DI-206 for SNMP management.
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