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Configuring IP Services
All BFE hosts are members of Class A IP networks. The format of a BFE IP
address is as follows:
nnnnnnnn.Zpppdddd.ddddddbb.bbbbbbbb
where:
nnnnnnnn
identifies the network ID in bits
Z
is zero
ppp
is the port ID in bits
dddd.dddddd
is the domain ID in bits
bb.bbbbbbbb
is the BFE ID in bits
BFE supports only physical addressing. It does not support either logical
addresses or subaddresses.
Each configuration in Table 2-1 and Table 2-2 is expressed as
source device ➔ medium ➔ destination device
For example:
Bay ➔ Eth ➔ Bay
where the source device is a Bay Networks router, the medium is Ethernet, and the
destination device is a Bay Networks router.
A more complex configuration is expressed as
source device ➔ medium ➔ intermediate device ➔ medium ➔ destination device
For example:
Bay ➔ Token ➔ Bay ➔ Token ➔ ES
where the source device is a Bay Networks router, the first medium is a Token
Ring network, the intermediate device is a Bay Networks router, the second
medium is another FDDI, and the destination device is an endstation from another
vendor.
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