Cabletron Systems 9T122-08 appendix Isolating Errors

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9T122-08 Module Speciﬁc Information

Active Monitor Address

Displays the MAC Address of the station that currently is designated as the Active Monitor.

ISOLATING ERRORS

Line Errors

Displays the number of corrupt frames that have been detected by a station on the token ring.

Burst Errors

Displays the number of times a signal is not received by a station on the token ring.

AC Errors

Displays the number of times that two successive AMP or SMP frames are received with A and C bits set at zero.

Abort Transmit Errors

Displays the number of times that a station transmits an abort delimiter while transmitting.

Internal Errors

Displays the number of times that a station encounters a recoverable internal error. This information helps to detect a station in marginal operating condition.

NON-ISOLATING ERRORS

Lost Frame Errors

Displays the number of times that a stationÕs TRR timer expires before the station receives the ending delimiter of the frame transmitted.

Frame Copied Errors

Displays the number of times that a node receives a frame with its address as the destination address, however the Address Recognized bit is already set to Ô1Õ.

Rcvr Congestion Errors

Displays the number of times that a station on the token ring recognizes its address, but it cannot copy the frame because the buffer is full.

Token Errors

Displays the number of times that a token on the token ring has encountered a problem along its path.

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Contents SmartSwitch 9T122-08 Local Management Appendix Page Module Interfaces IntroductionFddi FNB Resource Conﬁguration CodesLocal Management General Conﬁguration ScreenGeneral Conﬁguration Screen Fields Screen Lockout Time Default Interface Toggle None Token Ring Bridge Conﬁguration ScreenBridge Conﬁguration Screen Fields Screen Displaying Bridge Conﬁguration Screen SRT STE Ring Speed Toggle Unknown&Broadcast Forwarding Exiting Bridge Conﬁguration Screen Saving ModiﬁcationsT122-08 Module Speciﬁc Conﬁguration Menu Screen Module Speciﬁc Conﬁguration MenuT122-08 Token Ring Port Conﬁguration Screen Token Ring Port ConﬁgurationToken Ring Port Conﬁguration Screen Fields Changing From Operational Mode to Administrative ModeToken Ring Port Conﬁguration Screen Administrative Mode Conﬁguring Administratively an Individual Port Conﬁguring Administratively All PortsExiting the Token Ring Port Conﬁguration Screen T122-08 Token Ring Port Conﬁguration Screen Operational Mode Token Ring Port Conﬁguration Screen Operational ModeIf the port is If the port is a Token Ring Secured Station Conﬁguration T122-08 Token Ring Secured Station Conﬁguration Screen Token Ring Secured Station Conﬁguration Screen Fields Token Ring Security Conﬁguration Screen CommandsSecurity Mode Toggle Selecting a Security Mode Viewing Previous/Next Page of Station AddressesExiting the Token Ring Secured Station Conﬁguration Screen T122-08 Bridge Statistics Total Screen Bridge Statistics ScreenBridge Statistics Screen Fields Bridge Statistics Screen CommandsAllows you to exit the 9T122-08 Bridge Statistics Screen Token Ring LAN Statistics Ports EnabledToken Ring LAN Statistics Screen Fields Isolating Errors Token Ring LAN Statistics Screen Commands Exiting the Bridge Statistics Screen 9T122-08 Module Speciﬁc Information