IBM 3745 Problem Determination Manual page 332

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Token-Ring Network Problems
Use this page to adapt the instructions given in the Token-Ring Network Problem Determination Guide.
If
~
The IBM* Token-Ring Network Problem
Determination Guide tells you
to:
Record the address of the beaconing
device and its nearest active upstream
neighbor (NAUN)
or
Record the address of device 2 and
device 1.
Remove the defective device from the
ring by resetting it or powering it off.
Remove the device with the highest
error
co~
nt.
Restart the network application program
on the removed device.
[ __ R ___ u_n_t_h_e_a_d_a_p_te_r __ d_ia_g_n_o_s_t' _ lc_. ______________
J
Do
Refer to the NetView detail screen for
the alert corresponding to the ring
beaconing condition.
If you are not using NetView, use the
problem determination procedures for
some other device on the ring to
determine these addresses.
• Deactivate the link for this TIC at the
host.
• Unplug the cable from the IBM 8228.
This information must be obtained from
the ring-error monitor. Contact the
token-ring operator.
Activate the link for this TIC at the host.
• Ask the host operator to activate the
link for this TIC.
• Select and perform the TRSS
Interface Display (TID) function from
the 3745 console (12-1)
If there is an alarm, perform the
action described in Chapter 1,
"Alarms and Alerts."
If there is a BRING-UP error or
an INITIALIZATION error (field
II),
take appropriate action.
Chapter 12. Token-Ring Interc·onnection (TRI) Problems
12-11