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The IP Protocol Configuration screen (#156) in
Figure 5-5 "IP Protocol Configuration
Screen" is displayed when you press the [Go To IP] function key at
the Protocol Configuration screen (Figure 5-4
"Protocol Configuration Screen"). It is also displayed when you type the
path name:
@NETXPORT.NI.NIname.PROTOCOL.IP
in the command window of any screen and press the [Enter] key, where
NIname is a configured LAN NI.
Figure 5-5 IP Protocol Configuration Screen
This screen is used to supply IP protocol information for the network being
configured. Each NI has an IP address. The IP address field is a key element in
IP routing and datagram delivery algorithms. The IP subnet mask field allows
you to identify an IP subnet mask for the NI named in the path. The store and
forward buffers field is useful for internal resource allocation and
performance tuning.
Press the [Save Data] function key to transfer the data displayed on the
screen to the configuration file you are creating or modifying. Verify that the
data record has been created by checking that the Data flag is set to
Y.
Fields
- Store & forward buffers
This field allocates buffers to support store-and-forward over the
network interface being configured. You must allocate store and forward
buffers if you are configuring an internet gateway and packets from
another network will be forwarded over this network interface. You can
modify the number of store-and-forward buffers to allow performance
tuning for different network types. HP recommends that you use 20 as the
store-and-forward buffers. Consult your HP representative before
modifying this value.
You do not need to allocate store-and-forward buffers if you are
configuring a non-gateway node on this network. Leave the default (0) in
this field to indicate that this is a non-gateway node.
Default value: 0
Range: 0-50
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NOTE: If this node is a gateway node, HP recommends that you use 20 as
the store-and-forward buffers.
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- IP internet address
Enter the internet protocol (IP) address for the network interface
being configured.
There are two methods of entering an internet protocol (IP) address
within NMMGR:
Enter the fully qualified IP address (for example, Class C,
C 192.191.191 009)
OR
Enter only the network (nnn) and node (xxx)
portions of the IP address as four positive integers between 0 and
255 separated by periods or blanks (for example,
15.123.44.98).
You need not enter the following items as NMMGR will fill these
in:
- Class A, B, C
- Leading zeros for the network and node portion of the IP
address.
Addresses are made up of a
network portion and a
node portion. The supported
classes of network addresses have the following forms:
- Class C:
C nnn.nnn.nnn xxx
- Class B:
B nnn.nnn xxx.xxx
- Class A:
A nnn xxx.xxx.xxx
where nnn is a value ranging from 000 to 255, representing eight
bits of the network portion of an address and where xxx is a
value ranging from 000 to 255, representing the node portion of the
address. The leftmost group of nnn has the following ranges for
each address class:
- Class C:
192-223
- Class B:
128-191
- Class A:
001-126
Network and node values of all zeroes or all ones are not allowed. These
are special values.
Default value: No default, but a value must be supplied.
- IP subnet mask (optional)
An IP subnet mask is used when configuring subnetworks. The mask
identifies which bits of an IP address will be used to define a
subnetwork. An IP subnet mask is specified in the same format as an IP
address. The 32-bit mask is grouped in octets expressed as decimal
integers and delimited by either a period (.) or a space. For example, a
mask for a Class A network with the subnet field being the first eight
bits of the node part would be expressed as 255 255.000.000. The
default is no IP subnet mask.
Refer to the HP e3000/iX Network Planning and Configuration Guide
for more details on subnets.
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