
Using the Bay Command Console (AN/BN Routers)
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For some objects, the BCC automatically appends an internally generated number
to ensure uniqueness of the BCC instance ID. For example, the BCC creates an
instance ID for ARP on IP based on the object name (arp), plus the address of the
underlying IP interface (1.2.3.4), plus an internally generated integer, resulting in
an ID such as
arp/1.2.3.4/1.
In other rare cases, a configurable object may also have required parameters that
do not become part of its BCC instance ID. For example, the global OSPF object
has a required router-id parameter that does not become part of the instance ID.
(Many such required parameters end in “-id,” such as global-id and router-id.)
Each object has its own requirements for unique instance identification within the
total device configuration.
Configuration hierarchy -- Classes (templates for creating objects) exist within a
tree hierarchy. Just as a file system has a root directory, subdirectores, and files,
the BCC configuration system has a root-level object (called “box”) and branch
objects (such as interfaces and protocols) that fan out from the root level in a tree
hierarchy.
The BCC configuration command hierarchy varies according to the type of
network device (for example, a particular type of router, hub, or switch). However,
BCC commands, such as
?, help tree, and back, enable you to efficiently
discover and navigate the configuration hierarchy. Appendix A shows the
configuration hierarchy for Bay Networks AN and BN routers. You can also view
the BCC configuration hierarchy by entering the
help tree command at any BCC
prompt.
You create a customized configuration by using BCC commands to create new
objects, and to modify or delete objects in an existing configuration. You begin at
box level in BCC configuration mode and navigate to (or create new) objects in
the device configuration tree.
For example, you can use BCC commands to add a new physical interface (such
as Ethernet) on box, add IP to the Ethernet interface, and then add RIP to IP on
that interface. F
igure 1-2 shows the sequence of commands necessary to build this
configuration.
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