3. To determine if the second aggregation switch can communicate with the first aggregation
switch, enter the
ping <A.B.C.D> | <WORD> | <dns_host_name> [datasize
<64-4096>] [{count <1-9999>} | continuous] [{timeout | -t} <1-120>]
[interval <1-60>] [debug]
command on the second aggregation switch.
Checking the IST configuration
Display and observe configuration information for the IST.
Procedure
1. Enter Privileged EXEC mode:
enable
2. Enter the
show ist
command.
3. Observe the command output display.
Checking IST statistics
Display and observe statistics recorded for IST functions.
Procedure
1. Enter Privileged EXEC mode:
enable
2. Enter the
show ist stat
command.
3. Observe displayed IST receive (RX) and transmit (TX) statistical information.
Checking the system log
Display and observe the system log for IST-related error messages.
Procedure
1. Enter Privileged EXEC mode:
enable
2. Enter the
show logging
command.
3. Review the system log for possible IST-related error messages.
Modifying an IST configuration
Modify an IST configuration as required.
Procedure
1. Enter MLT Interface Configuration mode:
enable
configure terminal
Troubleshooting Layer 2
68
Troubleshooting Avaya VSP 7000 Series
July 2015
