HP 200 Series Services And Applications page 86

Bridging Service
Source-Routing Bridging
Between the first and last bridge receiving the SRF:
bridge B does the following to the RIF before transmitting the frame
toward ring 3. (See figure 23.)
Locates the bridge ID that is located at the end of the HP group
address.
Changes the bridge ID at the end of the HP group address to the
bridge ID of the next bridge in the RIF. (In this example, all bridge
IDs are the same, so the frame is not modified.)
Last of several bridges receiving the SRF:
receive the frame does the following to the RIF before transmitting the
frame toward ring 1. (See figure 23.)
Replaces the HP group address with the destination station address
that was saved to the data field.
Replaces the group LAN ID with its own internal LAN ID.
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The next
The last bridge to