IBM 8239 Token-Ring Stackable Hub, Setup And User Manual

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There are no specific 8239 commands to tell the Management Interface to
open or close. The Management Interface will close and then reopen as a
result of issuing an 8239 terminal interface command or an SNMP Set request
to the appropriate MIB. The terminal interface commands and the
corresponding MIBs that make the Management Interface close and then
reopen are:
Use the DISPLAY MANAGEMENT_INTERFACE command to view the current
values for the Management Interface.
To reset the Management Interface, a reset must be issued to the hub by using
the RESET_HUB command or an SNMP Set request to the appropriate object
in the IBM 8239 MIB.
¹
dot5RingSpeed
To change the Management Interface’s ring speed, which also changes the ring
speed associated with all of the ports on the hub, issue the SET HUB
RING_SPEED command or an SNMP Set request to the appropriate object in
the 8239 MIB.
¹
dot5ActMonParticipate
To configure the Management Interface to participate in Active Monitor
Contention if the opportunity arises, issue the SET
MANAGEMENT_INTERFACE ACTIVE_MONITOR_PARTICIPATION command
or an SNMP Set request to the appropriate object in the 8239 MIB.
¹
dot5Functional
The only functional addresses supported by the Management Interface that can
be changed are the CRS, REM, and RPS functional addresses. Refer to
“Configuring for the Surrogate Agent” on page 4-7 for information about
changing Management Interface functional addresses.
dot5Upstream and dot5Functional are only valid when dot5RingState has a value of
“opened”.
SET MANAGEMENT_INTERFACE ADMINISTRATIVE_MODE 8239 MIB
SET MANAGEMENT_INTERFACE EARLY_TOKEN_RELEASE 8239 MIB
SET MANAGEMENT_INTERFACE LOCALLY_ADMIN_ADDRESS 8239 MIB
SET MANAGEMENT_INTERFACE MAC_ADDRESS_TYPE 8239 MIB
SET TR_SURROGATE SEGMENT_NUMBER IBM TR Surrogate
MIB
Statistics Table
Using the terminal interface only, the 8239 enables you to clear the Statistics Table
using the CLEAR COUNTER 802.5 command. This command sets the Statistics
Table counters to 0 so that the counters reflect the values since the last CLEAR
COUNTER 802.5 command was issued. Clearing the counters lets you see how
much the counters have incremented during a period of time. The CLEAR
COUNTER 802.5 command has no effect on the values of the counters obtained
via SNMP.
Chapter 8. Network Management
8-3