Technical data

Maintenance Procedures 71
23.Check the fabric for port or ISL issues.
a. Log on with administrative privileges by Telnet to one of the switches
in the integrated fabric.
b. Enter the following at the Telnet prompt:
islTopoShow
This command provides general information about all switches in the
group. Any problems are indicated by an error condition in the Status
column.
24.Check each switch for port or ISL issues.
a. Log on with administrative privileges by Telnet to one of the switches
in the group.
b. Enter the following at the Telnet prompt:
islTopoCheck
This command provides detailed information about the local switch
(the switch currently accessed by Telnet). If there are any problems,
the Status column indicates an error condition.
c. Repeat Steps a through b for each of the remaining switches in the
group.
ISL Cable Replacement Procedure
Use this procedure to replace an ISL (inter-switch link) fiber optic cable for
the FC 6164. Replacing an ISL fiber optic cable in the FC 6164 involves
the following main steps:
1. “Remove the faulty cable from the chassis.” on page 72.
2. “Connect the new ISL cable to the appropriate ports.” on page 72.
3. “Check the fabric for port or ISL issues.” on page 73
4. “Check each switch for port or ISL issues.” on page 73
The ISL Cable FRU kit provides a single fiber optic cable with a label pack,
and is available from your switch supplier.