Avaya Configuring Bridging Services Manuel d'utilisateur Page 199

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114060 Rev. A B-1
Appendix B
Components of a Source Route Frame
A source route frame consists of the fields shown in Figure B-1.
Figure B-1. Fields in a Source Route Frame
802.5 Physical Header
The 802.5 physical header consists of the following fields:
Starting delimiter
Access control field
Frame control field
Destination address
Source address field
If the first (left-most) bit of the source address is 0, the frame contains no source
routing information. If the first bit is a 1, the bridge code examines the frame and
looks for a RIF field.
8.02 Physical
Header
Routing Info
Field (RIF)
802.5 Physical
Header
Data 802.5 Trailer
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