HP 200 Series Services And Applications page 100

Bridging Service
Source-Routing Bridging
LAN ID A number unique throughout the internetwork is assigned to
the Ethernet/802.3 LAN or token ring on each circuit group participating
in source-routing bridging. The LAN ID is also known as a ring number
or ring ID.
Block Spanning Tree Explorer Frames Single-route explorer
frames, also called spanning tree explorer (STE) frames or single-route
broadcast frames) received on a specific circuit group can be configured
to be dropped by changing the "Block STE" parameter for that circuit
group to Yes. Doing so does not stop single-route explorer frames from
being transmitted on the circuit group.
Translational Bridge This configuration parameter is used to enable
TRNSB for each circuit group that will translate frames between source-
routing bridging circuit groups and transparent bridging circuit groups.
Another parameter screen for the bridging service on this router (covering
all circuit groups) has some parameters specifically for translational
bridging. The aging timer can be left at the default. The default frame
conversion type can be configured to either 802.3 or Ethernet. Then this
default can be varied for each node that requires the other frame conversion
type; the nodes are specified in an "alternative conversion list" by their
station addresses (MAC addresses).
On the initial global bridging parameters configuration screen, make sure
Hop Count Reduction is left at the default No, when using TRNSB.
2-48