Cabletron Systems Netlink FRX4000, Руководство пользователя

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20-10 FRX4000/FRX6000 4.0 User Guide, Rev 01
Token Ring-Specific Statistics
●
FCS Violations
– is the number of frames received that have failed the Frame
Check Sequence (FCS) cyclic redundancy check (CRC).
●
Copy Errors
– is the number of frames received with duplicate addresses.
●
Trans Absences
– is the number of five half-bit time transitions. The counter is
incremented every time transitions are not detected between SDEL and EDEL
in a repeated frame.
●
Frequency Errors
– is the number of frames received with signal frequency
problems.
●
Frm with Aborts
– is the number of frames that were aborted in mid transmission.
●
Act Mon Regen
– is the number of times the active monitor is lost and regen-
erated.
●
No Return Frms
– is the number of frames that fail to return from around the ring
due to a timeout or reception of another frame.
●
Underruns
– is the number of frames that were not accepted due to DMA (direct
memory access) underrun errors.
●
No Buff Avail
– is the number of frames that could not be received/repeated due
to lack of buffer space.
●
A/C Errors
– is the number of AMP and SMP MAC frames with AC (ARI/FCI)
equal to zero when an intervening AMP MAC frame was not received.
Bridge Port Statistics
Press
[A]
at the Bridge Status Displays Menu to display the configurational and oper-
ational status of all Bridge ports in the node:
Figure 20-8 Bridge Port Status Display
[C],[F],[D],[A]
from Main Menu
Node Name=node_xyz
Bridge Port Status Display
Bridge Id: 0010.00000364439B Root Port: 255
Num Type/Format Status Bridge State ReceiveXmit
0 Ethernet Active Disabled 42949672964294967296
1 Token Ring Active Listening 46755612344675561234
2 Frm/Nat LLC2 Active Learning 45612300004562222100
3 Frm/8023/TB Active Blocking 45612311004561231100
PgUp PgDn F2:More Info F3:Exit