Adding a Router to NMMGR.
To add a router to your network, the HP e3000 needs to be configured
with information about where the routers are and what it can find on the other side. The terminology
used on the HP e3000 maybe confusing to users who are new to wide area networks. (See below Glossary)
The HP e3000 refers to routers as internet gateways. This does not
necessarily mean that you will be connecting to the Internet (Information Highway), although connection
to the Internet is one of the main reasons routers are being added to networks.
A Local Area Network (LAN)
is what you have in a single facility of one or more buildings. You will
likely have one or more IP Networks on each LAN.
A Wide Area Network (WAN)
is two or more LANs tied together. The LANs' area are usually in different
cities or states. It would be very rare to have only one IP network on a WAN.
Nodes are devices that
have network interfaces. Nodes include HP e3000s, PCs, routers, servers, communication servers,
and just about anything else that needs to communicate across the network.
Each network interface has a unique IP Node Address.
You can either set up a server that will assign the number for each device
at boot-up or you can maintain a list and assign users from it. Some devices can have more than
one IP Node Address.
IP Networks are groups
of nodes separated by routers. An IP Network Address is distinguished from a device IP Node
Address by ending in one or more zeros.
IP Addresses are formed
of four numbers separated by periods with each number having a range of 001 to 254. The values
of 000 and 255 are used by the protocols and cannot be used in the fourth place. An example
IP Node Address is 192.168.001.025. The IP Network Address 192.168.001.000 would be for the
sample above. This is a 'C' class network number and can have up to 254 individual addresses.
The leading zero in each of the four parts of an IP address is optional. Most systems will recognize
either form of the address. Some systems are sensitive to this and may not work if it is included
Subnet or network mask
is a term used for dividing an A, B, or C class address into multiple smaller networks.
Suppose a network has several PCs, one HP3000 and a Novell NetWare
4.1 File Server acting as an IP router. The IP Addresses are as follows:
Net A 192.168.001.000
Net B 192.168.002.000
Note that the NetWare server has two IP Node Addresses: one for
each of the two network adapters, each on its own IP Network.
We have found that if the number of devices on the total network
is not going to exceed 254, and if they are all located in the same facility, it is easier to manage
numbering them if each device has a unique last number in the address. In this example, all the nodes
have unique numbers and the only repeat is for the file server. The file server's two cards use the
same last digit but different network numbers.
Logon as MANAGER.SYS and edit the NMCONFIG file with NMMGR. Include
information about where the routers are located and what networks are available. Validate the information
and use JCONFJOB.NET to update the permanent MPE network tables. Use NETCONTROL UPDATE to activate the
MPE/iX Step 1
Open Config F1
Unguided Config F2
Go To NETXPORT F1
Go To NI F3
Examine this screen.
The Network Interface Name should be LAN1. If some other name is
presented, please take note of it. YOU WILL NEED TO SUBSTITUTE THIS NAME IN OTHER COMMANDS.
Go To INTERNET F3
Examine this screen.
If you are modifying an existing gateway/router; type the name as
shown in the list into the field labeled Gateway Name. Then press:
If you are adding a new gateway/router, type the name in the field
labeled Gateway Name.
Type the IP address of the network card or interface that is on
the same section of the network as the HP3000 into the field labeled Neighbor Gateway IP Internet Address.
Using the example network, 192.168.001.002 would be entered.
Type the IP Network Address(s) for the networks that are on the
other side of this router into the field labeled IP Network Address. Include all networks that can be
reached through this router. The example network would use 192.168.002.000. If this is the only router
or the default router use an at sign, @, in this field in place of any specific address.
In most cases leave the IP Mask field blank. You may need to use
this if you use a subnet of a class A, B, or C network.
Hops refers to the number of routers
that must be crossed to reach the network specified. Most networks will use the value of one for Hops.
This value can go as high as 1024 for special cases. If you are configuring this as the default router,
use 1024. If the packets going to a network specified on this line must go through other router(s),
use a value greater than one.
After you have entered all the network values, press:
SAVE CONFIG F6
Prior Screen F8 (7 times)
Go To VALIDATE F3
Validate NETXPORT F1
After you verify that the validation was successful,
Prior Screen F8 (3 times)
Exit Program F8
MPE/iX Step 2
Use the following command to update the DSDAD (DADCONF.NET.SYS)
Wait for this JOB to complete and check the STDLIST. If there are
no errors, continue with the last step.
MPEi/X Step 3
You do not need to restart your system or stop virtual terminal
access to enable the new configuration. The NETCONTROL command has an UPDATE option that allows this
information to be added dynamically.
Do not use this command if you are changing existing routes that
are currently in use.
Your system should now be ready to use through your router(s).