NFS Services Administrator Guide (5900-3045, March 2013)

If nettl is not running, enter the following command to start it:

/usr/sbin/nettl -start

2. Enter the following command to start tracing:

/usr/sbin/nettl -tn pduin pduout loopback -e all -s 1024 \

-f tracefile

3. Recreate the event you want to trace.

4. Enter the following command to turn tracing off:

/usr/sbin/nettl -tf -e all

5. Create the following filter file for netfmt:

filter ip_saddr remote_host_IP_address

filter ip_daddr remote_host_IP_address

filter rpcprogram nfs

filter rpcprogram nlockmgr

filter rpcprogram llockmgr

filter rpcprogram status

filter rpcprogram mount

filter rpcprogram rpcbind

remote_host_IP_address is the IP address of the host with which your host was

communicating when the event you want to trace occurred.

6. Enter the following command to format the binary trace file:

/usr/sbin/netfmt -c filter_file -lN -f tracefile.TRC0 > formatted_file

where tracefile is the name of the file you specified when you started tracing, and

formatted_file is the name of the file where you want the formatted output from netfmt.

For more information, type man 1M nettl or man 1M netfmt.

104 Troubleshooting NFS Services