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Configuring Administrative Access, System Timing, and Startup Settings
Providing a basic system IP configuration
Providing a basic system IP configuration
To enable Telnet and SNMP access to the unit, and to allow connectivity between the
unit and local IP hosts, you must assign IP addresses to the Stinger MRT Ethernet port
and configure basic IP routing.
Note
A Stinger MRT unit does not require IP routing to operate as a DSLAM. IP
routing is not used by the DSLAM activities. The system does not provide IP routing
for DSLAM user data.
IP address syntax
The Stinger MRT unit uses dotted decimal notation (not hexadecimal) for IP
addresses. Netmask information is appended to the IP address after a forward slash
(/).
Netmasks
If no netmask is specified, the unit uses a default mask based on the class of the IP
address that is supplied. Table 6-1 shows address classes and the number of network
bits in the default mask for each class.
Table 6-1. IP address classes and number of network bits
Class
Class A
Class B
Class C
For example, a class C address, such as 198.5.248.40, has 24 network bits, leaving 8
bits for the host portion of the address. If no subnet mask is specified for a class C
address, the Stinger uses the default mask of 24 bits, as shown in Figure 6-2.
Figure 6-2. Default netmask for class C IP address
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
By default, this address is displayed as 198.5.248.40/24
Subnets
Subnets are permitted under the same syntax. A subnet address specifies a number of
network bits that does not adhere to the Class A, B, or C network limits. For example,
the following address specifies a 29-bit subnet:
ip-address = 198.5.248.40/29
6-6
Address range
0.0.0.0 through 127.255.255.255
128.0.0.0 through
191.255.255.255
192.0.0.0 through
223.255.255.255
Default 24 bits
Default network
bits
8
16
24
Stinger® MRT Getting Started Guide
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