NEC NEAX 2400 IPX, Руководство пользователя

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CHAPTER 7 NDA-24299
Page 180
Revision 1.0
Figure 7-21 23-U FCCH Status Notification - Spanning Tree Generation End
9.5 FLTINF = 1FH Spanning Tree Generation Start
Figure 7-22 illustrates the message that is displayed when Spanning Tree Generation starts.
1. xx 0x 1E xx xx xx xx xx 2. xx xx xx xx xx xx xx xx 3. xx xx xx xx xx xx xx xx
4. xx xx xx xx xx xx xx xx 5. xx xx xx 00 0000 0000 6. 00 00 00 00 00 00 00 00
MG U G
FCH Mounting Location
FCH CKT No.
TRC RS
0 0
MG: Module Group
U: Unit (0-3)
G: Group (0-23)
TRC: Trace Confirmation Bit
(0/1 = Status Notification / Primitive Trace)
RS: Receive / Send Primitive Trace (not effective)
FCH CKT No. = Circuit No. of FCH
1E
FLTINF: 1EH = Spanning Tree Generation
End Notification
b7 b0
b7 b0
b7 b0
b7 b0
b7 b0
:
:
:
:
32 Bytes
"Spanning Tree Generation End"
b7
b0
- 1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23
255 254 253 252 251 250 249 248
247 246 245 244 243 242 241 240
239 238 237 236 235 234 233 232
..............
........
* Each bit represents FPC (Fusion Point Code). When "1" is set,
the FPC has joined the spanning tree configuration.
Spanning Tree Configuration Results